* All fares below were last found on: Jan 20, 2019 and 6:10:17 AM.
Fares are round trip, Fares incl. all fuel surcharges, our service fees and taxes.
Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking.
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Cheap flights from Austin (AUS) to San Francisco (SFO) up for grab on OneTravel. Find unbeatable airfare deals on OneTravel. Book now and jet set for a vacation without breaking the bank.
From its rich history and colorful cultural life to the surrounding beautiful outdoors, from world class shopping and dining to bustling nightlife, San Antonio, the second largest city in the US state of Texas has something for everyone. Grab cheap San Antonio flights on OneTravel and indulge in a vacation without breaking the bank. OneTravel offers unbeatable deals on airlines flying to San Antonio, including Frontier Airlines, Midwest Airlines and US Airways. The average flight time from Denver, CO to San Antonio, TX is around two hours.