What is the best way to travel from Ontario, CA to San Antonio, TX?
Looking for a trip? Compare all the available Flights and Buses for the journey to San Antonio, TX from Ontario, CA. 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 Ontario, CA?
You can get to San Antonio, TX with just $64 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 Airlines13h 37m08:48 PMOntario FlughafenTerminal12:25 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 8:48:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 12:25:00 PM. 50 Economy ticket for $64 per person are available. Travel duration is 13h 37m
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United Airlines5h 8m06:00 AMOntario FlughafenTerminal1:08 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/29/2026 1:08:00 PM. 50 Economy ticket for $179 per person are available. Travel duration is 5h 8m
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Alaska Airlines23h 42m04:03 PMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 4:03:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 5:45:00 PM. 50 Economy ticket for $227 per person are available. Travel duration is 23h 42m
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Spirit Airlines21h 5m01:20 PMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport12:25 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/29/2026 1:20:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 12:25:00 PM. 50 Economy ticket for $243 per person are available. Travel duration is 21h 5m
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Hawaiian Airlines9h 45m06:00 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/29/2026 5:45:00 PM. 50 Economy ticket for $579 per person are available. Travel duration is 9h 45m
Cheapest Flights Thursday
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Frontier Airlines4h 36m02:28 PMOntario FlughafenTerminal9:04 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Terminal, Ontario Flughafen (USA) at 1/30/2026 2:28:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 9:04:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 4h 36m
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Spirit Airlines12h 19m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport9:04 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/30/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 9:04:00 PM. 50 Economy ticket for $198 per person are available. Travel duration is 12h 19m
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United Airlines6h 4m05:05 AMOntario FlughafenTerminal1:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 1/30/2026 5:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 1:09:00 PM. 50 Economy ticket for $243 per person are available. Travel duration is 6h 4m
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Alaska Airlines9h 45m06:00 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 1/30/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 5:45:00 PM. 50 Economy ticket for $345 per person are available. Travel duration is 9h 45m
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Hawaiian Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/30/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 5:45:00 PM. 50 Economy ticket for $441 per person are available. Travel duration is 9h 0m
Cheapest Flights Friday
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Frontier Airlines27h 47m03:22 PMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport9:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 3:22:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/1/2026 9:09:00 PM. 50 Economy ticket for $145 per person are available. Travel duration is 27h 47m
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Spirit Airlines27h 35m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport12:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/1/2026 12:20:00 PM. 50 Economy ticket for $291 per person are available. Travel duration is 27h 35m
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United Airlines7h 46m06:00 AMOntario FlughafenTerminal3:46 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 1/31/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/31/2026 3:46:00 PM. 50 Economy ticket for $403 per person are available. Travel duration is 7h 46m
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Alaska Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/31/2026 5:45:00 PM. 50 Economy ticket for $513 per person are available. Travel duration is 9h 0m
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Hawaiian Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/31/2026 5:45:00 PM. 50 Economy ticket for $525 per person are available. Travel duration is 9h 0m
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FlixBus32h 50m01:35 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 1:35:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 12:25:00 AM. 50 Economy ticket for $180 per person are available. Travel duration is 32h 50m
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Greyhound US31h 25m03:00 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 3:00:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 12:25:00 AM. 50 Economy ticket for $180 per person are available. Travel duration is 31h 25m
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Greyhound US36h 20m09:35 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 9:35:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/1/2026 11:55:00 PM. 50 Economy ticket for $181 per person are available. Travel duration is 36h 20m
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FlixBus41h 15m04:40 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 4:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/1/2026 11:55:00 PM. 50 Economy ticket for $182 per person are available. Travel duration is 41h 15m
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Greyhound US37h 50m09:05 PMOntario, CAMontclair Place12:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 9:05:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 12:55:00 PM. 50 Economy ticket for $182 per person are available. Travel duration is 37h 50m
Cheapest Flights Saturday
Cheapest Buses Saturday
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FlixBus32h 50m01:35 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 1:35:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/3/2026 12:25:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 32h 50m
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Greyhound US31h 25m03:00 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 3:00:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/3/2026 12:25:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 31h 25m
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Greyhound US37h 50m09:05 PMOntario, CAMontclair Place12:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 9:05:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/3/2026 12:55:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 37h 50m
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Greyhound US36h 20m09:35 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 9:35:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 11:55:00 PM. 50 Economy ticket for $168 per person are available. Travel duration is 36h 20m
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FlixBus41h 15m04:40 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 4:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 11:55:00 PM. 50 Economy ticket for $171 per person are available. Travel duration is 41h 15m
Cheapest Buses Sunday
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Spirit Airlines12h 1m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport8:46 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 2/2/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 8:46:00 PM. 50 Economy ticket for $264 per person are available. Travel duration is 12h 1m
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Frontier Airlines11h 13m06:20 AMOntario FlughafenTerminal7:33 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 6:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 7:33:00 PM. 50 Economy ticket for $283 per person are available. Travel duration is 11h 13m
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United Airlines6h 4m05:05 AMOntario FlughafenTerminal1:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 5:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 1:09:00 PM. 50 Economy ticket for $402 per person are available. Travel duration is 6h 4m
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Alaska Airlines23h 42m04:03 PMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 4:03:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:45:00 PM. 50 Economy ticket for $527 per person are available. Travel duration is 23h 42m
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Hawaiian Airlines9h 45m06:00 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 5:45:00 PM. 50 Economy ticket for $647 per person are available. Travel duration is 9h 45m
Cheapest Flights Monday
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United Airlines6h 4m05:05 AMOntario FlughafenTerminal1:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 2/3/2026 5:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 1:09:00 PM. 50 Economy ticket for $398 per person are available. Travel duration is 6h 4m
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United Airlines7h 31m08:00 AMOntario FlughafenTerminal5:31 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 2/3/2026 8:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:31:00 PM. 50 Economy ticket for $398 per person are available. Travel duration is 7h 31m
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Alaska Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 2/3/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:45:00 PM. 50 Economy ticket for $520 per person are available. Travel duration is 9h 0m
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Hawaiian Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 2/3/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:45:00 PM. 50 Economy ticket for $539 per person are available. Travel duration is 9h 0m
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Alaska Airlines27h 52m011:53 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 2/3/2026 11:53:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/4/2026 5:45:00 PM. 50 Economy ticket for $647 per person are available. Travel duration is 27h 52m
Cheapest Flights Tuesday
What are the fastest trips from Ontario, CA to San Antonio, TX?
You can get to San Antonio, TX from Ontario, CA in just 4h 36m with a Flight from Frontier 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 Airlines5h 8m06:00 AMOntario FlughafenTerminal1:08 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/29/2026 1:08:00 PM. 50 Economy ticket for $179 per person are available. Travel duration is 5h 8m
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Hawaiian Airlines9h 45m06:00 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/29/2026 5:45:00 PM. 50 Economy ticket for $579 per person are available. Travel duration is 9h 45m
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Frontier Airlines13h 37m08:48 PMOntario FlughafenTerminal12:25 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 8:48:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 12:25:00 PM. 50 Economy ticket for $64 per person are available. Travel duration is 13h 37m
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Spirit Airlines21h 5m01:20 PMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport12:25 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/29/2026 1:20:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 12:25:00 PM. 50 Economy ticket for $243 per person are available. Travel duration is 21h 5m
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Alaska Airlines23h 42m04:03 PMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 1/29/2026 4:03:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 5:45:00 PM. 50 Economy ticket for $227 per person are available. Travel duration is 23h 42m
Fastest Flights Thursday
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Frontier Airlines4h 36m02:28 PMOntario FlughafenTerminal9:04 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Terminal, Ontario Flughafen (USA) at 1/30/2026 2:28:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 9:04:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 4h 36m
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United Airlines6h 4m05:05 AMOntario FlughafenTerminal1:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 1/30/2026 5:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 1:09:00 PM. 50 Economy ticket for $243 per person are available. Travel duration is 6h 4m
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Hawaiian Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/30/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 5:45:00 PM. 50 Economy ticket for $441 per person are available. Travel duration is 9h 0m
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Alaska Airlines9h 45m06:00 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 1/30/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 5:45:00 PM. 50 Economy ticket for $345 per person are available. Travel duration is 9h 45m
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Spirit Airlines12h 19m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport9:04 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/30/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/30/2026 9:04:00 PM. 50 Economy ticket for $198 per person are available. Travel duration is 12h 19m
Fastest Flights Friday
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United Airlines7h 46m06:00 AMOntario FlughafenTerminal3:46 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 1/31/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/31/2026 3:46:00 PM. 50 Economy ticket for $403 per person are available. Travel duration is 7h 46m
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Alaska Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/31/2026 5:45:00 PM. 50 Economy ticket for $513 per person are available. Travel duration is 9h 0m
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Hawaiian Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 1/31/2026 5:45:00 PM. 50 Economy ticket for $525 per person are available. Travel duration is 9h 0m
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Spirit Airlines27h 35m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport12:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/1/2026 12:20:00 PM. 50 Economy ticket for $291 per person are available. Travel duration is 27h 35m
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Frontier Airlines27h 47m03:22 PMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport9:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 1/31/2026 3:22:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/1/2026 9:09:00 PM. 50 Economy ticket for $145 per person are available. Travel duration is 27h 47m
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Greyhound US31h 25m03:00 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 3:00:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 12:25:00 AM. 50 Economy ticket for $180 per person are available. Travel duration is 31h 25m
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FlixBus32h 50m01:35 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 1:35:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 12:25:00 AM. 50 Economy ticket for $180 per person are available. Travel duration is 32h 50m
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Greyhound US36h 20m09:35 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 9:35:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/1/2026 11:55:00 PM. 50 Economy ticket for $181 per person are available. Travel duration is 36h 20m
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Greyhound US37h 50m09:05 PMOntario, CAMontclair Place12:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 9:05:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 12:55:00 PM. 50 Economy ticket for $182 per person are available. Travel duration is 37h 50m
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FlixBus41h 15m04:40 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 1/31/2026 4:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/1/2026 11:55:00 PM. 50 Economy ticket for $182 per person are available. Travel duration is 41h 15m
Fastest Flights Saturday
Fastest Buses Saturday
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Greyhound US31h 25m03:00 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 3:00:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/3/2026 12:25:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 31h 25m
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FlixBus32h 50m01:35 PMOntario, CAMontclair Place12:25 AMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 1:35:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/3/2026 12:25:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 32h 50m
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Greyhound US36h 20m09:35 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 9:35:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 11:55:00 PM. 50 Economy ticket for $168 per person are available. Travel duration is 36h 20m
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Greyhound US37h 50m09:05 PMOntario, CAMontclair Place12:55 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 9:05:00 PM to Bus Station, San Antonio, TX (USA) arriving at 2/3/2026 12:55:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 37h 50m
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FlixBus41h 15m04:40 AMOntario, CAMontclair Place11:55 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 2/1/2026 4:40:00 AM to Bus Station, San Antonio, TX (USA) arriving at 2/2/2026 11:55:00 PM. 50 Economy ticket for $171 per person are available. Travel duration is 41h 15m
Fastest Buses Sunday
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United Airlines6h 4m05:05 AMOntario FlughafenTerminal1:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 5:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 1:09:00 PM. 50 Economy ticket for $402 per person are available. Travel duration is 6h 4m
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Hawaiian Airlines9h 45m06:00 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 5:45:00 PM. 50 Economy ticket for $647 per person are available. Travel duration is 9h 45m
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Frontier Airlines11h 13m06:20 AMOntario FlughafenTerminal7:33 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 6:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 7:33:00 PM. 50 Economy ticket for $283 per person are available. Travel duration is 11h 13m
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Spirit Airlines12h 1m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport8:46 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Spirit Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 2/2/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/2/2026 8:46:00 PM. 50 Economy ticket for $264 per person are available. Travel duration is 12h 1m
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Alaska Airlines23h 42m04:03 PMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 2/2/2026 4:03:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:45:00 PM. 50 Economy ticket for $527 per person are available. Travel duration is 23h 42m
Fastest Flights Monday
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United Airlines6h 4m05:05 AMOntario FlughafenTerminal1:09 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 2/3/2026 5:05:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 1:09:00 PM. 50 Economy ticket for $398 per person are available. Travel duration is 6h 4m
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United Airlines7h 31m08:00 AMOntario FlughafenTerminal5:31 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Terminal, Ontario Flughafen (USA) at 2/3/2026 8:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:31:00 PM. 50 Economy ticket for $398 per person are available. Travel duration is 7h 31m
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Alaska Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 2/3/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:45:00 PM. 50 Economy ticket for $520 per person are available. Travel duration is 9h 0m
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Hawaiian Airlines9h 0m06:45 AMJohne Wayne - Santa Ana AirportJohne Wayne - Santa Ana Airport5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Hawaiian Airlines goes from Johne Wayne - Santa Ana Airport, Johne Wayne - Santa Ana Airport (USA) at 2/3/2026 6:45:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/3/2026 5:45:00 PM. 50 Economy ticket for $539 per person are available. Travel duration is 9h 0m
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Alaska Airlines27h 52m011:53 AMOntario FlughafenTerminal5:45 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Terminal, Ontario Flughafen (USA) at 2/3/2026 11:53:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 2/4/2026 5:45:00 PM. 50 Economy ticket for $647 per person are available. Travel duration is 27h 52m
Fastest Flights Tuesday
Here you will find all operators and timetables for a
Bus from Ontario, CA to San Antonio, TX
What are the most popular stations in Ontario, CA and San Antonio, TX?
In Ontario, CA, you will usually depart from Montclair Place, Convention Center or Tufesa, 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 Ontario, CA? With 5 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 Ontario, CA and San Antonio, TX, you can pay as low as $64 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 Frontier Airlines: you will get to San Antonio, TX in just 4h 36m.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 Ontario, CA and San Antonio, TX are Greyhound US, United Airlines and Alaska 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 Ontario, CA 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 Upland, CA or to Olmos Park, TX, and look at flights from Johne Wayne - Santa Ana 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 Ontario, CA to San Antonio, TX?
The most popular companies between Ontario, CA and San Antonio, TX, are Greyhound US, United Airlines and Alaska Airlines. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: Greyhound US and FlixBus
Airlines: United Airlines, Alaska Airlines, Hawaiian Airlines and 2 more.
All you need to know when you travel from Ontario, CA to San Antonio, TX
Check all information on comfort and services on all modes of transports from Ontario, CA 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 Ontario, CA to San Antonio, TX
How can I reach San Antonio, TX from Ontario, CA?
Every day, there are on average 5 connections between Flight and Bus, with which you can get to San Antonio, TX from Ontario, CA.
How far is San Antonio, TX from Ontario, CA?
The distance between Ontario, CA and San Antonio, TX is 1,169.0 miles.
What is the most ecofriendly mode of transport between Ontario, CA 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 51 kgs of CO2, a train 66 kgs, a car 320 kgs, and a flight 463 kgs.
What is the cheapest mode of transport from Ontario, CA to San Antonio, TX?
You can get to San Antonio, TX with just $64 by taking a Flight from Frontier Airlines.
What is the fastest way to get from Ontario, CA 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 4h 36m with a Flight from Frontier Airlines.
More routes to Ontario, CA and to San Antonio, TX
Looking for more options? Here you can see the most popular routes to Ontario, CA and to San Antonio, TX. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Ontario, CA
- Las Vegas to Ontario, CA
- San Jose, CA to Ontario, CA
- Trips to San Antonio, TX
- Aguascalientes to San Antonio, TX
- Beaumont, TX to San Antonio, TX
- Chicago to San Antonio, TX
- Ciudad Juárez to San Antonio, TX
- Dallas to San Antonio, TX
- Durango, DG to San Antonio, TX
- El Paso, TX to San Antonio, TX
- Guadalajara, JC to San Antonio, TX
- Harlingen, TX to San Antonio, TX
- Houston to San Antonio, TX
- Los Angeles to San Antonio, TX
- McAllen, TX to San Antonio, TX
- Mexico City to San Antonio, TX
- Miami Airport to San Antonio, TX
- Monterrey, NL 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
- Zacatecas, ZS to San Antonio, TX
