What is the best way to travel from Washington, DC to San Antonio, TX?
Looking for a trip? Compare all the available Flights and Buses for the journey to San Antonio, TX from Washington, DC. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 2 available companies to find your perfect trip!
What is the cheapest way to reach San Antonio, TX from Washington, DC?
You can get to San Antonio, TX with just $87 by taking a Flight from Frontier Airlines, but you can find many more cheap offers: we have selected the best ones for next few days here for you.
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Frontier Airlines25h 14m01:59 PMRonald Reagan Washington AirportRonald Reagan Washington Airport2:13 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/2/2026 1:59:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 2:13:00 PM. 50 Economy ticket for $87 per person are available. Travel duration is 25h 14m
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Spirit Airlines19h 21m05:30 AMBaltimore/Washington AirportBaltimore/Washington Airport11:51 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/2/2026 5:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/2/2026 11:51:00 PM. 50 Economy ticket for $149 per person are available. Travel duration is 19h 21m
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United Airlines8h 13m08:30 AMRonald Reagan Washington AirportRonald Reagan Washington Airport3:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/2/2026 8:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/2/2026 3:43:00 PM. 50 Economy ticket for $164 per person are available. Travel duration is 8h 13m
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Porter Airlines14h 16m011:30 AMWashington Dulles AirportWashington Dulles Airport12:46 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Porter Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/2/2026 11:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 12:46:00 AM. 50 Economy ticket for $338 per person are available. Travel duration is 14h 16m
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Alaska Airlines11h 1m07:04 AMBaltimore/Washington AirportBaltimore/Washington Airport5:05 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/2/2026 7:04:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/2/2026 5:05:00 PM. 50 Economy ticket for $341 per person are available. Travel duration is 11h 1m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/2/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/3/2026 3:20:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 36h 40m
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Greyhound US36h 45m05:50 AMWashington, DCUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/2/2026 5:50:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/3/2026 5:35:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 36h 45m
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FlixBus38h 45m09:15 AMWashington, DCUnion Station11:00 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/2/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/3/2026 11:00:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 38h 45m
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FlixBus38h 15m03:45 PMWashington, DCUnion Station5:00 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/2/2026 3:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/4/2026 5:00:00 AM. 50 Economy ticket for $129 per person are available. Travel duration is 38h 15m
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Greyhound US54h 50m05:35 PMWashington, DCUnion Station11:25 PMSan Antonio, TXPearl District0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/2/2026 5:35:00 PM to Pearl District, San Antonio, TX (USA) arriving at 5/4/2026 11:25:00 PM. 50 Economy ticket for $130 per person are available. Travel duration is 54h 50m
Cheapest Flights Saturday
Cheapest Buses Saturday
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FlixBus62h 50m010:05 AMWashington, DCDupont Circle Station11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Dupont Circle Station, Washington, DC (USA) at 5/3/2026 10:05:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/5/2026 11:55:00 PM. 50 Economy ticket for $112 per person are available. Travel duration is 62h 50m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/3/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/4/2026 3:20:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 36h 40m
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Greyhound US54h 50m05:35 PMWashington, DCUnion Station11:25 PMSan Antonio, TXPearl District0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/3/2026 5:35:00 PM to Pearl District, San Antonio, TX (USA) arriving at 5/5/2026 11:25:00 PM. 50 Economy ticket for $115 per person are available. Travel duration is 54h 50m
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FlixBus38h 15m03:45 PMWashington, DCUnion Station5:00 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/3/2026 3:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/5/2026 5:00:00 AM. 50 Economy ticket for $115 per person are available. Travel duration is 38h 15m
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FlixBus38h 45m09:15 AMWashington, DCUnion Station11:00 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/3/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/4/2026 11:00:00 PM. 50 Economy ticket for $116 per person are available. Travel duration is 38h 45m
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Frontier Airlines34h 56m06:20 AMWashington Dulles AirportWashington Dulles Airport4:16 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/3/2026 6:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 4:16:00 PM. 50 Economy ticket for $199 per person are available. Travel duration is 34h 56m
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Spirit Airlines28h 10m011:05 AMBaltimore/Washington AirportBaltimore/Washington Airport2:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/3/2026 11:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 2:15:00 PM. 50 Economy ticket for $242 per person are available. Travel duration is 28h 10m
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United Airlines7h 0m06:15 AMBaltimore/Washington AirportBaltimore/Washington Airport12:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/3/2026 6:15:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 12:15:00 PM. 50 Economy ticket for $273 per person are available. Travel duration is 7h 0m
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Sun Country Airlines16h 15m011:00 PMWashington Dulles AirportWashington Dulles Airport2:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/3/2026 11:00:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 2:15:00 PM. 50 Economy ticket for $292 per person are available. Travel duration is 16h 15m
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Alaska Airlines10h 55m07:10 AMWashington Dulles AirportWashington Dulles Airport5:05 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/3/2026 7:10:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 5:05:00 PM. 50 Economy ticket for $359 per person are available. Travel duration is 10h 55m
Cheapest Buses Sunday
Cheapest Flights Sunday
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Frontier Airlines30h 0m01:59 PMRonald Reagan Washington AirportRonald Reagan Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/4/2026 1:59:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 6:59:00 PM. 50 Economy ticket for $104 per person are available. Travel duration is 30h 0m
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Spirit Airlines22h 46m09:13 PMBaltimore/Washington AirportBaltimore/Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/4/2026 9:13:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 6:59:00 PM. 50 Economy ticket for $136 per person are available. Travel duration is 22h 46m
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United Airlines5h 47m06:00 AMRonald Reagan Washington AirportRonald Reagan Washington Airport10:47 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/4/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 10:47:00 AM. 50 Economy ticket for $169 per person are available. Travel duration is 5h 47m
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Porter Airlines12h 38m011:30 AMWashington Dulles AirportWashington Dulles Airport11:08 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Porter Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/4/2026 11:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 11:08:00 PM. 50 Economy ticket for $341 per person are available. Travel duration is 12h 38m
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Alaska Airlines33h 5m09:00 AMWashington Dulles AirportWashington Dulles Airport5:05 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/4/2026 9:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 5:05:00 PM. 50 Economy ticket for $375 per person are available. Travel duration is 33h 5m
Cheapest Flights Monday
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Greyhound US36h 45m05:50 AMWashington, DCUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/5/2026 5:50:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/6/2026 5:35:00 PM. 50 Economy ticket for $102 per person are available. Travel duration is 36h 45m
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FlixBus41h 35m010:45 PMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/5/2026 10:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/7/2026 3:20:00 PM. 50 Economy ticket for $102 per person are available. Travel duration is 41h 35m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/5/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/6/2026 3:20:00 PM. 50 Economy ticket for $103 per person are available. Travel duration is 36h 40m
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FlixBus39h 40m09:15 AMWashington, DCUnion Station11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/5/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/6/2026 11:55:00 PM. 50 Economy ticket for $103 per person are available. Travel duration is 39h 40m
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FlixBus38h 15m03:45 PMWashington, DCUnion Station5:00 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/5/2026 3:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/7/2026 5:00:00 AM. 50 Economy ticket for $103 per person are available. Travel duration is 38h 15m
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Frontier Airlines12h 59m07:00 AMRonald Reagan Washington AirportRonald Reagan Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/5/2026 7:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 6:59:00 PM. 50 Economy ticket for $217 per person are available. Travel duration is 12h 59m
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United Airlines5h 47m06:00 AMBaltimore/Washington AirportBaltimore/Washington Airport10:47 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 10:47:00 AM. 50 Economy ticket for $369 per person are available. Travel duration is 5h 47m
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Skyscanner8h 10m09:20 AMBaltimore/Washington AirportBaltimore/Washington Airport4:30 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Skyscanner goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 9:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 4:30:00 PM. 50 Economy ticket for $369 per person are available. Travel duration is 8h 10m
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Delta Air Lines10h 20m07:00 AMBaltimore/Washington AirportBaltimore/Washington Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Delta Air Lines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 7:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 4:20:00 PM. 50 Economy ticket for $412 per person are available. Travel duration is 10h 20m
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Aeroméxico27h 2m02:18 PMBaltimore/Washington AirportBaltimore/Washington Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Aeroméxico goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 2:18:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/6/2026 4:20:00 PM. 50 Economy ticket for $428 per person are available. Travel duration is 27h 2m
Cheapest Buses Tuesday
Cheapest Flights Tuesday
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Frontier Airlines25h 59m06:00 PMRonald Reagan Washington AirportRonald Reagan Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/8/2026 6:00:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/9/2026 6:59:00 PM. 50 Economy ticket for $88 per person are available. Travel duration is 25h 59m
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Spirit Airlines10h 46m06:30 AMBaltimore/Washington AirportBaltimore/Washington Airport4:16 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/8/2026 6:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/8/2026 4:16:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 10h 46m
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United Airlines7h 0m06:15 AMBaltimore/Washington AirportBaltimore/Washington Airport12:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/8/2026 6:15:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/8/2026 12:15:00 PM. 50 Economy ticket for $224 per person are available. Travel duration is 7h 0m
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American Airlines16h 37m05:59 PMWashington Dulles AirportWashington Dulles Airport9:36 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from American Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/8/2026 5:59:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/9/2026 9:36:00 AM. 50 Economy ticket for $259 per person are available. Travel duration is 16h 37m
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Porter Airlines20h 8m04:05 PMWashington Dulles AirportWashington Dulles Airport11:13 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Porter Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/8/2026 4:05:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/9/2026 11:13:00 AM. 50 Economy ticket for $354 per person are available. Travel duration is 20h 8m
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FlixBus41h 35m010:45 PMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/8/2026 10:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/10/2026 3:20:00 PM. 50 Economy ticket for $112 per person are available. Travel duration is 41h 35m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/8/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/9/2026 3:20:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 36h 40m
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FlixBus38h 45m09:15 AMWashington, DCUnion Station11:00 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/8/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/9/2026 11:00:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 38h 45m
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Greyhound US36h 45m05:50 AMWashington, DCUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/8/2026 5:50:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/9/2026 5:35:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 36h 45m
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Greyhound US52h 35m05:35 PMWashington, DCUnion Station9:10 PMSan Antonio, TXPearl District0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/8/2026 5:35:00 PM to Pearl District, San Antonio, TX (USA) arriving at 5/10/2026 9:10:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 52h 35m
Cheapest Flights Friday
Cheapest Buses Friday
What are the fastest trips from Washington, DC to San Antonio, TX?
You can get to San Antonio, TX from Washington, DC in just 5h 47m with a Flight from United Airlines. This is not the only option, and you can click on any of the offers below to compare it with the other modes of transportations.
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United Airlines8h 13m08:30 AMRonald Reagan Washington AirportRonald Reagan Washington Airport3:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/2/2026 8:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/2/2026 3:43:00 PM. 50 Economy ticket for $164 per person are available. Travel duration is 8h 13m
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Alaska Airlines11h 1m07:04 AMBaltimore/Washington AirportBaltimore/Washington Airport5:05 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/2/2026 7:04:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/2/2026 5:05:00 PM. 50 Economy ticket for $341 per person are available. Travel duration is 11h 1m
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Porter Airlines14h 16m011:30 AMWashington Dulles AirportWashington Dulles Airport12:46 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Porter Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/2/2026 11:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 12:46:00 AM. 50 Economy ticket for $338 per person are available. Travel duration is 14h 16m
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Spirit Airlines19h 21m05:30 AMBaltimore/Washington AirportBaltimore/Washington Airport11:51 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/2/2026 5:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/2/2026 11:51:00 PM. 50 Economy ticket for $149 per person are available. Travel duration is 19h 21m
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Frontier Airlines25h 14m01:59 PMRonald Reagan Washington AirportRonald Reagan Washington Airport2:13 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/2/2026 1:59:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 2:13:00 PM. 50 Economy ticket for $87 per person are available. Travel duration is 25h 14m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/2/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/3/2026 3:20:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 36h 40m
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Greyhound US36h 45m05:50 AMWashington, DCUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/2/2026 5:50:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/3/2026 5:35:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 36h 45m
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FlixBus38h 15m03:45 PMWashington, DCUnion Station5:00 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/2/2026 3:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/4/2026 5:00:00 AM. 50 Economy ticket for $129 per person are available. Travel duration is 38h 15m
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FlixBus38h 45m09:15 AMWashington, DCUnion Station11:00 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/2/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/3/2026 11:00:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 38h 45m
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Greyhound US54h 50m05:35 PMWashington, DCUnion Station11:25 PMSan Antonio, TXPearl District0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/2/2026 5:35:00 PM to Pearl District, San Antonio, TX (USA) arriving at 5/4/2026 11:25:00 PM. 50 Economy ticket for $130 per person are available. Travel duration is 54h 50m
Fastest Flights Saturday
Fastest Buses Saturday
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United Airlines7h 0m06:15 AMBaltimore/Washington AirportBaltimore/Washington Airport12:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/3/2026 6:15:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 12:15:00 PM. 50 Economy ticket for $273 per person are available. Travel duration is 7h 0m
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Alaska Airlines10h 55m07:10 AMWashington Dulles AirportWashington Dulles Airport5:05 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/3/2026 7:10:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/3/2026 5:05:00 PM. 50 Economy ticket for $359 per person are available. Travel duration is 10h 55m
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Sun Country Airlines16h 15m011:00 PMWashington Dulles AirportWashington Dulles Airport2:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/3/2026 11:00:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 2:15:00 PM. 50 Economy ticket for $292 per person are available. Travel duration is 16h 15m
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Spirit Airlines28h 10m011:05 AMBaltimore/Washington AirportBaltimore/Washington Airport2:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/3/2026 11:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 2:15:00 PM. 50 Economy ticket for $242 per person are available. Travel duration is 28h 10m
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Frontier Airlines34h 56m06:20 AMWashington Dulles AirportWashington Dulles Airport4:16 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/3/2026 6:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 4:16:00 PM. 50 Economy ticket for $199 per person are available. Travel duration is 34h 56m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/3/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/4/2026 3:20:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 36h 40m
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FlixBus38h 15m03:45 PMWashington, DCUnion Station5:00 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/3/2026 3:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/5/2026 5:00:00 AM. 50 Economy ticket for $115 per person are available. Travel duration is 38h 15m
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FlixBus38h 45m09:15 AMWashington, DCUnion Station11:00 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/3/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/4/2026 11:00:00 PM. 50 Economy ticket for $116 per person are available. Travel duration is 38h 45m
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Greyhound US54h 50m05:35 PMWashington, DCUnion Station11:25 PMSan Antonio, TXPearl District0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/3/2026 5:35:00 PM to Pearl District, San Antonio, TX (USA) arriving at 5/5/2026 11:25:00 PM. 50 Economy ticket for $115 per person are available. Travel duration is 54h 50m
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FlixBus62h 50m010:05 AMWashington, DCDupont Circle Station11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Dupont Circle Station, Washington, DC (USA) at 5/3/2026 10:05:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/5/2026 11:55:00 PM. 50 Economy ticket for $112 per person are available. Travel duration is 62h 50m
Fastest Flights Sunday
Fastest Buses Sunday
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United Airlines5h 47m06:00 AMRonald Reagan Washington AirportRonald Reagan Washington Airport10:47 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/4/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 10:47:00 AM. 50 Economy ticket for $169 per person are available. Travel duration is 5h 47m
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Porter Airlines12h 38m011:30 AMWashington Dulles AirportWashington Dulles Airport11:08 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Porter Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/4/2026 11:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/4/2026 11:08:00 PM. 50 Economy ticket for $341 per person are available. Travel duration is 12h 38m
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Spirit Airlines22h 46m09:13 PMBaltimore/Washington AirportBaltimore/Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/4/2026 9:13:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 6:59:00 PM. 50 Economy ticket for $136 per person are available. Travel duration is 22h 46m
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Frontier Airlines30h 0m01:59 PMRonald Reagan Washington AirportRonald Reagan Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/4/2026 1:59:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 6:59:00 PM. 50 Economy ticket for $104 per person are available. Travel duration is 30h 0m
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Alaska Airlines33h 5m09:00 AMWashington Dulles AirportWashington Dulles Airport5:05 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/4/2026 9:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 5:05:00 PM. 50 Economy ticket for $375 per person are available. Travel duration is 33h 5m
Fastest Flights Monday
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United Airlines5h 47m06:00 AMBaltimore/Washington AirportBaltimore/Washington Airport10:47 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 10:47:00 AM. 50 Economy ticket for $369 per person are available. Travel duration is 5h 47m
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Skyscanner8h 10m09:20 AMBaltimore/Washington AirportBaltimore/Washington Airport4:30 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Skyscanner goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 9:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 4:30:00 PM. 50 Economy ticket for $369 per person are available. Travel duration is 8h 10m
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Delta Air Lines10h 20m07:00 AMBaltimore/Washington AirportBaltimore/Washington Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Delta Air Lines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 7:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 4:20:00 PM. 50 Economy ticket for $412 per person are available. Travel duration is 10h 20m
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Frontier Airlines12h 59m07:00 AMRonald Reagan Washington AirportRonald Reagan Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/5/2026 7:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/5/2026 6:59:00 PM. 50 Economy ticket for $217 per person are available. Travel duration is 12h 59m
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Aeroméxico27h 2m02:18 PMBaltimore/Washington AirportBaltimore/Washington Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Aeroméxico goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/5/2026 2:18:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/6/2026 4:20:00 PM. 50 Economy ticket for $428 per person are available. Travel duration is 27h 2m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/5/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/6/2026 3:20:00 PM. 50 Economy ticket for $103 per person are available. Travel duration is 36h 40m
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Greyhound US36h 45m05:50 AMWashington, DCUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/5/2026 5:50:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/6/2026 5:35:00 PM. 50 Economy ticket for $102 per person are available. Travel duration is 36h 45m
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FlixBus38h 15m03:45 PMWashington, DCUnion Station5:00 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/5/2026 3:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/7/2026 5:00:00 AM. 50 Economy ticket for $103 per person are available. Travel duration is 38h 15m
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FlixBus39h 40m09:15 AMWashington, DCUnion Station11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/5/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/6/2026 11:55:00 PM. 50 Economy ticket for $103 per person are available. Travel duration is 39h 40m
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FlixBus41h 35m010:45 PMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/5/2026 10:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/7/2026 3:20:00 PM. 50 Economy ticket for $102 per person are available. Travel duration is 41h 35m
Fastest Flights Tuesday
Fastest Buses Tuesday
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United Airlines7h 0m06:15 AMBaltimore/Washington AirportBaltimore/Washington Airport12:15 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/8/2026 6:15:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/8/2026 12:15:00 PM. 50 Economy ticket for $224 per person are available. Travel duration is 7h 0m
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Spirit Airlines10h 46m06:30 AMBaltimore/Washington AirportBaltimore/Washington Airport4:16 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Baltimore/Washington Airport, Baltimore/Washington Airport (USA) at 5/8/2026 6:30:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/8/2026 4:16:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 10h 46m
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American Airlines16h 37m05:59 PMWashington Dulles AirportWashington Dulles Airport9:36 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from American Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/8/2026 5:59:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/9/2026 9:36:00 AM. 50 Economy ticket for $259 per person are available. Travel duration is 16h 37m
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Porter Airlines20h 8m04:05 PMWashington Dulles AirportWashington Dulles Airport11:13 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Porter Airlines goes from Washington Dulles Airport, Washington Dulles Airport (USA) at 5/8/2026 4:05:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/9/2026 11:13:00 AM. 50 Economy ticket for $354 per person are available. Travel duration is 20h 8m
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Frontier Airlines25h 59m06:00 PMRonald Reagan Washington AirportRonald Reagan Washington Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Ronald Reagan Washington Airport, Ronald Reagan Washington Airport (USA) at 5/8/2026 6:00:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 5/9/2026 6:59:00 PM. 50 Economy ticket for $88 per person are available. Travel duration is 25h 59m
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Greyhound US36h 40m03:40 AMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/8/2026 3:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/9/2026 3:20:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 36h 40m
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Greyhound US36h 45m05:50 AMWashington, DCUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/8/2026 5:50:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/9/2026 5:35:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 36h 45m
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FlixBus38h 45m09:15 AMWashington, DCUnion Station11:00 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/8/2026 9:15:00 AM to Bus Station, San Antonio, TX (USA) arriving at 5/9/2026 11:00:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 38h 45m
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FlixBus41h 35m010:45 PMWashington, DCUnion Station3:20 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Washington, DC (USA) at 5/8/2026 10:45:00 PM to Bus Station, San Antonio, TX (USA) arriving at 5/10/2026 3:20:00 PM. 50 Economy ticket for $112 per person are available. Travel duration is 41h 35m
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Greyhound US52h 35m05:35 PMWashington, DCUnion Station9:10 PMSan Antonio, TXPearl District0EconomyA Bus from Greyhound US goes from Union Station, Washington, DC (USA) at 5/8/2026 5:35:00 PM to Pearl District, San Antonio, TX (USA) arriving at 5/10/2026 9:10:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 52h 35m
Fastest Flights Friday
Fastest Buses Friday
Here you will find all operators and timetables for a
Bus from Washington, DC to San Antonio, TX
What are the most popular stations in Washington, DC and San Antonio, TX?
In Washington, DC, you will usually depart from Union Station, Armory Metro or Dupont Circle Station, while in San Antonio, TX you will be arriving at Tornado Bus Company, Bus Station or W. Southcross & Buffalo Bus Stop, but there are many more stops to explore in both locations.
How do I decide? Some tips and tricks from our experience
Are you having trouble deciding on how to get to San Antonio, TX from Washington, DC? With 9 connections between 2 Flight and Bus operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.
Look for the lowest price
Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between Washington, DC and San Antonio, TX, you can pay as low as $87 with a Flight from Frontier Airlines.Travel duration
Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Flight from United Airlines: you will get to San Antonio, TX in just 5h 47m.Comfort makes all the difference
You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting Washington, DC and San Antonio, TX are Greyhound US, FlixBus and Frontier Airlines, but be sure to check what they have to offer!Save money with deals, and always compare
One last tip? Even if you live in Washington, DC and San Antonio, TX is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Ronald Reagan Washington Airport or to Olmos Park, TX, and look at flights from Ronald Reagan Washington Airport, and landing at San Antonio Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!Which companies offer a trip from Washington, DC to San Antonio, TX?
The most popular companies between Washington, DC and San Antonio, TX, are Greyhound US, FlixBus and Frontier Airlines. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: Greyhound US and FlixBus
Airlines: Frontier Airlines, United Airlines, Spirit Airlines and 7 more.
All you need to know when you travel from Washington, DC to San Antonio, TX
Check all information on comfort and services on all modes of transports from Washington, DC to San Antonio, TX. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Washington, DC to San Antonio, TX
How can I reach San Antonio, TX from Washington, DC?
Every day, there are on average 9 connections between Flight and Bus, with which you can get to San Antonio, TX from Washington, DC.
How far is San Antonio, TX from Washington, DC?
The distance between Washington, DC and San Antonio, TX is 1,386.9 miles.
What is the most ecofriendly mode of transport between Washington, DC and San Antonio, TX?
Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance.
On this particular route, a bus will emit, per person, a total of 60 kgs of CO2, a train 78 kgs, a car 379 kgs, and a flight 549 kgs.
What is the cheapest mode of transport from Washington, DC to San Antonio, TX?
You can get to San Antonio, TX with just $87 by taking a Flight from Frontier Airlines.
What is the fastest way to get from Washington, DC to San Antonio, TX?
While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to San Antonio, TX in just 5h 47m with a Flight from United Airlines.
More routes to Washington, DC and to San Antonio, TX
Looking for more options? Here you can see the most popular routes to Washington, DC and to San Antonio, TX. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Washington, DC
- Asheville, NC to Washington, DC
- Atlanta, GA to Washington, DC
- Boston, MA to Washington, DC
- Charlotte to Washington, DC
- Dallas to Washington, DC
- Houston to Washington, DC
- Ithaca, NY to Washington, DC
- Miami Airport to Washington, DC
- Miami to Washington, DC
- Montreal to Washington, DC
- New York to Washington, DC
- Oklahoma City, OK to Washington, DC
- Orlando, FL to Washington, DC
- Pittsburgh to Washington, DC
- Toronto, ON to Washington, DC
- Trips to San Antonio, TX
- Aguascalientes to San Antonio, TX
- Atlanta, GA to San Antonio, TX
- Brownsville, TX to San Antonio, TX
- El Paso, TX to San Antonio, TX
- Fort Worth to San Antonio, TX
- Guadalajara, JC to San Antonio, TX
- Harlingen, TX to San Antonio, TX
- Houston to San Antonio, TX
- Las Vegas to San Antonio, TX
- Los Angeles to San Antonio, TX
- McAllen, TX to San Antonio, TX
- Mexico City to San Antonio, TX
- Monterrey, NL to San Antonio, TX
- Orlando, FL to San Antonio, TX
- Phoenix, AZ to San Antonio, TX
- Saltillo to San Antonio, TX
- San Luis Potosí to San Antonio, TX
- Santiago de Queretaro to San Antonio, TX
- Torreón, CO to San Antonio, TX
