Best airfares from Ontario to San Antonio
Jetradar compares airfares from Ontario to San Antonio with hundreds of airlines (including United Airlines, American Airlines, Alaska Airlines) and dozens of online travel agencies in one single place. We provide you with all the options to find the cheapest flights to San Antonio, you choose where to book. Also there you can find airlines special offers from Ontario to San Antonio. The cheapest round-trip price found within the last week was $253. The cheapest oneway price found within the last week was $130.Cheapest Flights from Ontario, CA to San Antonio, TX
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Airline One Way One Way / Round-Trip Round-Trip 
United Airlines $178 $235 
American Airlines $183 $301 
Alaska Airlines $231 $348 
Aeromexico $410 $520 
Spirit Airlines $360 $855 -
Airline One Way One Way / Round-Trip Round-Trip 
Frontier Airlines $73 $175 
Southwest Airlines $188 $281 
Volaris $326 $463 
Allegiant Air $263 $606
Flights from Ontario to San Antonio
Travelling from Ontario to San Antonio advices and facts
- The distance between Ontario and San Antonio is 1169 miles (or 1882 kilometers).
- The shortest flight time is 3h 45m
- When you fly from Ontario to San Antonio, don't forget about the time difference. The time in San Antonio is 02:00 from the Ontario time. The current time in San Antonio is 05:49am and 03:49am in Ontario. Check this again shortly before your flight.