Cheap Flights from Ontario to San Antonio starting at S$ 68
Book one-way or return flights from Ontario to San Antonio from as little as S$ 68. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- ONT12:396h 25m1 stopSAT21:04Wed, May 8|Ontario - San Antonio|Frontier AirlinesS$ 68S$ 14152% OFF52% OFFS$ 141S$ 68
- ONT00:598h 23m1 stopSAT11:22Wed, May 1|Ontario - San Antonio|Frontier AirlinesS$ 70S$ 14150% OFF50% OFFS$ 141S$ 70
- ONT22:4920h 15m1 stopSAT21:04Tue, Apr 30|Ontario - San Antonio|Frontier AirlinesS$ 78S$ 14145% OFF45% OFFS$ 141S$ 78
- ONT22:5819h 20m1 stopSAT20:18Thu, May 2|Ontario - San Antonio|Frontier AirlinesS$ 78S$ 78
- ONT22:4920h 15m1 stopSAT21:04Tue, May 7|Ontario - San Antonio|Frontier AirlinesS$ 78S$ 78
- ONT22:4920h 15m1 stopSAT21:04Tue, May 14|Ontario - San Antonio|Frontier AirlinesS$ 78S$ 78
- ONT00:597h 48m1 stopSAT10:47Mon, May 13|Ontario - San Antonio|Frontier AirlinesS$ 90S$ 90
- ONT00:597h 48m1 stopSAT10:47Mon, May 6|Ontario - San Antonio|Frontier AirlinesS$ 96S$ 96
- ONT20:279h 52m1 stopSAT08:19Fri, May 17|Ontario - San Antonio|Frontier AirlinesS$ 97S$ 97
- ONT13:1017h 9m1 stopSAT08:19Thu, May 16|Ontario - San Antonio|Frontier AirlinesS$ 107S$ 107
- ONT13:003h 5mDirectSAT14:00Fri, May 3|Ontario - San Antonio|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Ontario to San Antonio.
- CheapestONT12:396h 25m1 transferSAT21:04Ontario International Airport - San Antonio International AirportWed, May 8Frontier AirlinesS$ 68
- ONT12:396h 25m1 transferSAT21:04Ontario International Airport - San Antonio International AirportWed, May 8Frontier AirlinesS$ 68Find More Flights
Frequently Asked Questions
How to find a cheap flight from Ontario to San Antonio
Cheapest direct flight price | S$ 67 |
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Cheapest return ticket price | S$ 196 |
Cheapest month | August |
Peak season for travel | November |
Flight distance | 10,825.94km |
Popular airline | United Airlines |
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