What is the best way to travel from San Antonio, TX to Ontario, CA?
Looking for a trip? Compare all the available Flights and Buses for the journey to Ontario, CA from San Antonio, TX. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 3 available companies to find your perfect trip!
What is the cheapest way to reach Ontario, CA from San Antonio, TX?
You can get to Ontario, CA with just $123 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.
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 11:59:00 PM. 50 Economy ticket for $141 per person are available. Travel duration is 19h 14m
-
United Airlines8h 5m06:13 AMSan Antonio AirportSan Antonio Airport12:18 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 6:13:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 12:18:00 PM. 50 Economy ticket for $503 per person are available. Travel duration is 8h 5m
-
United Airlines5h 58m08:51 AMSan Antonio AirportSan Antonio Airport12:49 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 8:51:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 12:49:00 PM. 50 Economy ticket for $503 per person are available. Travel duration is 5h 58m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 11:59:00 PM. 50 Economy ticket for $535 per person are available. Travel duration is 8h 9m
-
Valley Transit36h 5m06:10 PMSan Antonio, TXBus Station4:15 AMOntario, CAMontclair Place0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 4:15:00 AM. 50 Economy ticket for $196 per person are available. Travel duration is 36h 5m
-
Valley Transit43h 45m06:10 PMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 11:55:00 AM. 50 Economy ticket for $198 per person are available. Travel duration is 43h 45m
-
Greyhound US39h 0m012:35 PMSan Antonio, TXBus Station1:35 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 12:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 1:35:00 AM. 50 Economy ticket for $202 per person are available. Travel duration is 39h 0m
-
Greyhound US31h 45m06:10 AMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/25/2026 11:55:00 AM. 50 Economy ticket for $250 per person are available. Travel duration is 31h 45m
-
Greyhound US33h 45m06:10 AMSan Antonio, TXBus Station1:55 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/25/2026 1:55:00 PM. 50 Economy ticket for $252 per person are available. Travel duration is 33h 45m
Cheapest Flights Tuesday
Cheapest Buses Tuesday
-
Greyhound US37h 29m012:30 PMSan Antonio, TXBus Station11:59 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 37h 29m
-
Greyhound US33h 45m06:10 AMSan Antonio, TXBus Station1:55 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 1:55:00 PM. 50 Economy ticket for $135 per person are available. Travel duration is 33h 45m
-
Greyhound US31h 45m06:10 AMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 11:55:00 AM. 50 Economy ticket for $136 per person are available. Travel duration is 31h 45m
-
Greyhound US38h 50m012:35 PMSan Antonio, TXBus Station1:25 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 12:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/27/2026 1:25:00 AM. 50 Economy ticket for $136 per person are available. Travel duration is 38h 50m
-
Greyhound US34h 35m012:30 PMSan Antonio, TXBus Station9:05 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 9:05:00 PM. 50 Economy ticket for $140 per person are available. Travel duration is 34h 35m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 11:59:00 PM. 50 Economy ticket for $135 per person are available. Travel duration is 19h 14m
-
United Airlines5h 57m08:51 AMSan Antonio AirportSan Antonio Airport12:48 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 8:51:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 12:48:00 PM. 50 Economy ticket for $502 per person are available. Travel duration is 5h 57m
-
United Airlines6h 10m04:40 PMSan Antonio AirportSan Antonio Airport8:50 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 4:40:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 8:50:00 PM. 50 Economy ticket for $502 per person are available. Travel duration is 6h 10m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 11:59:00 PM. 50 Economy ticket for $519 per person are available. Travel duration is 8h 9m
Cheapest Buses Wednesday
Cheapest Flights Wednesday
-
Frontier Airlines15h 54m010:05 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 10:05:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $146 per person are available. Travel duration is 15h 54m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $148 per person are available. Travel duration is 19h 14m
-
United Airlines5h 44m06:52 PMSan Antonio AirportSan Antonio Airport10:36 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 6:52:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 10:36:00 PM. 50 Economy ticket for $178 per person are available. Travel duration is 5h 44m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $350 per person are available. Travel duration is 8h 9m
Cheapest Flights Thursday
-
Frontier Airlines6h 2m011:35 AMSan Antonio AirportSan Antonio Airport3:37 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 11:35:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 3:37:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 6h 2m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 11:59:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 19h 14m
-
United Airlines5h 44m06:52 PMSan Antonio AirportSan Antonio Airport10:36 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 6:52:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 10:36:00 PM. 50 Economy ticket for $201 per person are available. Travel duration is 5h 44m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 11:59:00 PM. 50 Economy ticket for $296 per person are available. Travel duration is 8h 9m
-
Greyhound US37h 29m012:30 PMSan Antonio, TXBus Station11:59 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 11:59:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 37h 29m
-
Greyhound US34h 35m012:30 PMSan Antonio, TXBus Station9:05 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 9:05:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 34h 35m
-
Greyhound US33h 45m06:10 AMSan Antonio, TXBus Station1:55 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 1:55:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 33h 45m
-
Greyhound US38h 50m012:35 PMSan Antonio, TXBus Station1:25 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 12:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/29/2026 1:25:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 38h 50m
-
Greyhound US31h 45m06:10 AMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 11:55:00 AM. 50 Economy ticket for $133 per person are available. Travel duration is 31h 45m
Cheapest Flights Friday
Cheapest Buses Friday
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 11:59:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 19h 14m
-
Frontier Airlines22h 31m011:35 AMSan Antonio AirportSan Antonio Airport8:06 AMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 11:35:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/30/2026 8:06:00 AM. 50 Economy ticket for $156 per person are available. Travel duration is 22h 31m
-
United Airlines5h 48m06:02 PMSan Antonio AirportSan Antonio Airport9:50 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 6:02:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 9:50:00 PM. 50 Economy ticket for $322 per person are available. Travel duration is 5h 48m
-
United Airlines7h 33m04:17 PMSan Antonio AirportSan Antonio Airport9:50 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 4:17:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 9:50:00 PM. 50 Economy ticket for $325 per person are available. Travel duration is 7h 33m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 11:59:00 PM. 50 Economy ticket for $578 per person are available. Travel duration is 8h 9m
Cheapest Flights Sunday
What are the fastest trips from San Antonio, TX to Ontario, CA?
You can get to Ontario, CA from San Antonio, TX in just 5h 44m 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.
-
United Airlines5h 58m08:51 AMSan Antonio AirportSan Antonio Airport12:49 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 8:51:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 12:49:00 PM. 50 Economy ticket for $503 per person are available. Travel duration is 5h 58m
-
United Airlines8h 5m06:13 AMSan Antonio AirportSan Antonio Airport12:18 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 6:13:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 12:18:00 PM. 50 Economy ticket for $503 per person are available. Travel duration is 8h 5m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 11:59:00 PM. 50 Economy ticket for $535 per person are available. Travel duration is 8h 9m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/24/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/24/2026 11:59:00 PM. 50 Economy ticket for $141 per person are available. Travel duration is 19h 14m
-
Greyhound US31h 45m06:10 AMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/25/2026 11:55:00 AM. 50 Economy ticket for $250 per person are available. Travel duration is 31h 45m
-
Greyhound US33h 45m06:10 AMSan Antonio, TXBus Station1:55 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/25/2026 1:55:00 PM. 50 Economy ticket for $252 per person are available. Travel duration is 33h 45m
-
Valley Transit36h 5m06:10 PMSan Antonio, TXBus Station4:15 AMOntario, CAMontclair Place0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 4:15:00 AM. 50 Economy ticket for $196 per person are available. Travel duration is 36h 5m
-
Greyhound US39h 0m012:35 PMSan Antonio, TXBus Station1:35 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 12:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 1:35:00 AM. 50 Economy ticket for $202 per person are available. Travel duration is 39h 0m
-
Valley Transit43h 45m06:10 PMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 3/24/2026 6:10:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 11:55:00 AM. 50 Economy ticket for $198 per person are available. Travel duration is 43h 45m
Fastest Flights Tuesday
Fastest Buses Tuesday
-
United Airlines5h 57m08:51 AMSan Antonio AirportSan Antonio Airport12:48 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 8:51:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 12:48:00 PM. 50 Economy ticket for $502 per person are available. Travel duration is 5h 57m
-
United Airlines6h 10m04:40 PMSan Antonio AirportSan Antonio Airport8:50 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 4:40:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 8:50:00 PM. 50 Economy ticket for $502 per person are available. Travel duration is 6h 10m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 11:59:00 PM. 50 Economy ticket for $519 per person are available. Travel duration is 8h 9m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/25/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/25/2026 11:59:00 PM. 50 Economy ticket for $135 per person are available. Travel duration is 19h 14m
-
Greyhound US31h 45m06:10 AMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 11:55:00 AM. 50 Economy ticket for $136 per person are available. Travel duration is 31h 45m
-
Greyhound US33h 45m06:10 AMSan Antonio, TXBus Station1:55 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 1:55:00 PM. 50 Economy ticket for $135 per person are available. Travel duration is 33h 45m
-
Greyhound US34h 35m012:30 PMSan Antonio, TXBus Station9:05 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 9:05:00 PM. 50 Economy ticket for $140 per person are available. Travel duration is 34h 35m
-
Greyhound US37h 29m012:30 PMSan Antonio, TXBus Station11:59 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 37h 29m
-
Greyhound US38h 50m012:35 PMSan Antonio, TXBus Station1:25 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/25/2026 12:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/27/2026 1:25:00 AM. 50 Economy ticket for $136 per person are available. Travel duration is 38h 50m
Fastest Flights Wednesday
Fastest Buses Wednesday
-
United Airlines5h 44m06:52 PMSan Antonio AirportSan Antonio Airport10:36 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 6:52:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 10:36:00 PM. 50 Economy ticket for $178 per person are available. Travel duration is 5h 44m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $350 per person are available. Travel duration is 8h 9m
-
Frontier Airlines15h 54m010:05 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 10:05:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $146 per person are available. Travel duration is 15h 54m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/26/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/26/2026 11:59:00 PM. 50 Economy ticket for $148 per person are available. Travel duration is 19h 14m
Fastest Flights Thursday
-
United Airlines5h 44m06:52 PMSan Antonio AirportSan Antonio Airport10:36 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 6:52:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 10:36:00 PM. 50 Economy ticket for $201 per person are available. Travel duration is 5h 44m
-
Frontier Airlines6h 2m011:35 AMSan Antonio AirportSan Antonio Airport3:37 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 11:35:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 3:37:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 6h 2m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 11:59:00 PM. 50 Economy ticket for $296 per person are available. Travel duration is 8h 9m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/27/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/27/2026 11:59:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 19h 14m
-
Greyhound US31h 45m06:10 AMSan Antonio, TXBus Station11:55 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 11:55:00 AM. 50 Economy ticket for $133 per person are available. Travel duration is 31h 45m
-
Greyhound US33h 45m06:10 AMSan Antonio, TXBus Station1:55 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 6:10:00 AM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 1:55:00 PM. 50 Economy ticket for $129 per person are available. Travel duration is 33h 45m
-
Greyhound US34h 35m012:30 PMSan Antonio, TXBus Station9:05 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 9:05:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 34h 35m
-
Greyhound US37h 29m012:30 PMSan Antonio, TXBus Station11:59 PMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 12:30:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/28/2026 11:59:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 37h 29m
-
Greyhound US38h 50m012:35 PMSan Antonio, TXBus Station1:25 AMOntario, CAMontclair Place0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 3/27/2026 12:35:00 PM to Montclair Place, Ontario, CA (USA) arriving at 3/29/2026 1:25:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 38h 50m
Fastest Flights Friday
Fastest Buses Friday
-
United Airlines5h 48m06:02 PMSan Antonio AirportSan Antonio Airport9:50 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 6:02:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 9:50:00 PM. 50 Economy ticket for $322 per person are available. Travel duration is 5h 48m
-
United Airlines7h 33m04:17 PMSan Antonio AirportSan Antonio Airport9:50 PMOntario FlughafenTerminal0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 4:17:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 9:50:00 PM. 50 Economy ticket for $325 per person are available. Travel duration is 7h 33m
-
Alaska Airlines8h 9m05:50 PMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 5:50:00 PM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 11:59:00 PM. 50 Economy ticket for $578 per person are available. Travel duration is 8h 9m
-
Frontier Airlines19h 14m06:45 AMSan Antonio AirportSan Antonio Airport11:59 PMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 6:45:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/29/2026 11:59:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 19h 14m
-
Frontier Airlines22h 31m011:35 AMSan Antonio AirportSan Antonio Airport8:06 AMOntario FlughafenTerminal0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 3/29/2026 11:35:00 AM to Terminal, Ontario Flughafen (USA) arriving at 3/30/2026 8:06:00 AM. 50 Economy ticket for $156 per person are available. Travel duration is 22h 31m
Fastest Flights Sunday
Here you will find all operators and timetables for a
Bus from San Antonio, TX to Ontario, CA
What are the most popular stations in San Antonio, TX and Ontario, CA?
In San Antonio, TX, you will usually depart from Tornado Bus Company, Bus Station or W. Southcross & Buffalo Bus Stop, while in Ontario, CA you will be arriving at Montclair Place, Convention Center or Tufesa, 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 Ontario, CA from San Antonio, TX? With 8 connections between 3 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 San Antonio, TX and Ontario, CA, you can pay as low as $123 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 Ontario, CA in just 5h 44m.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 San Antonio, TX and Ontario, CA are Greyhound US, United Airlines 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 San Antonio, TX and Ontario, CA 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 Olmos Park, TX or to Upland, CA, and look at flights from San Antonio Airport, and landing at Johne Wayne - Santa Ana 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 San Antonio, TX to Ontario, CA?
The most popular companies between San Antonio, TX and Ontario, CA, are Greyhound US, United Airlines and Frontier Airlines. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: Greyhound US and Valley Transit
Airlines: United Airlines, Frontier Airlines and Alaska Airlines
All you need to know when you travel from San Antonio, TX to Ontario, CA
Check all information on comfort and services on all modes of transports from San Antonio, TX to Ontario, CA. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from San Antonio, TX to Ontario, CA
How can I reach Ontario, CA from San Antonio, TX?
Every day, there are on average 8 connections between Flight and Bus, with which you can get to Ontario, CA from San Antonio, TX.
How far is Ontario, CA from San Antonio, TX?
The distance between San Antonio, TX and Ontario, CA is 1,169.0 miles.
What is the most ecofriendly mode of transport between San Antonio, TX and Ontario, CA?
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 San Antonio, TX to Ontario, CA?
You can get to Ontario, CA with just $123 by taking a Flight from Frontier Airlines.
What is the fastest way to get from San Antonio, TX to Ontario, CA?
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 Ontario, CA in just 5h 44m with a Flight from United Airlines.
More routes to San Antonio, TX and to Ontario, CA
Looking for more options? Here you can see the most popular routes to San Antonio, TX and to Ontario, CA. Simply click on a connection, and you’ll find all the details about the route!
- Trips to San Antonio, TX
- Aguascalientes to San Antonio, TX
- Albuquerque, NM to San Antonio, TX
- Brownsville, 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
- Fort Worth to San Antonio, TX
- Houston to San Antonio, TX
- McAllen, TX to San Antonio, TX
- Mexico City to San Antonio, TX
- Monterrey, NL to San Antonio, TX
- Phoenix, AZ to San Antonio, TX
- Saltillo to San Antonio, TX
- San Diego to San Antonio, TX
- San Luis Potosí to San Antonio, TX
- Santiago de Queretaro to San Antonio, TX
- Torreón, CO to San Antonio, TX
- Zacatecas, ZS to San Antonio, TX
- Trips to Ontario, CA
- El Paso, TX to Ontario, CA
- Las Vegas to Ontario, CA
- San Jose, CA to Ontario, CA
