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Search Cheap Flights from Ontario to San Antonio

save on flights from Ontario (ONT) to San Antonio (SAT) on OneTravel. Check out exclusive deals on San Antonio flights on and save more on your next trip! Book now and jet set to a memorable vacation, all within your budget!

There’s lot to see and do in this hip town. Visit museums and art galleries, amusement parks, fine restaurants and lots more. Enjoy a stroll through King William Historic Area, explore the famous River Walk area, and go shopping. While in San Antonio, don’t miss the cuisine. Kick-off a San Antonio vacation booking flights with OneTravel, offering discounts on top airlines, including Frontier, Midwest, and Alaska Airlines. The average time for flight from Ontario, CA to San Antonio, TX is five hours and ten minutes.

Ontario to San Antonio Flight Route Facts

  • When does the last flight depart SAT?

    12:00AM - 1:00AM

  • Which is the busiest month to travel from Ontario to San Antonio?

    September

  • Which is the least-busy month to travel from ONT to SAT?

    May

  • What is the travel distance between Ontario and San Antonio?

    1,165 Miles

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