* All fares below were last found on: Nov 18, 2018 and 6:11:50 AM.
Fares are round trip, Fares incl. all fuel surcharges, our service fees and taxes.
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Save BIG 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.