Cheap flights from San Antonio to Ontario

Compare flight prices from San Antonio to Ontario across airlines and travel sites, see the cheapest month and day to fly, then book direct with the seller.

We haven't seen recent fares here yet. Search live prices for your dates below.

Frequently asked questions

Where do I book my ticket?

AirTriply compares fares from airlines and travel agencies. When you choose a deal, you book on the seller's own website.

Popular routes

San Antonio → DallasSan Antonio → Mexico CitySan Antonio → HoustonSan Antonio → Los AngelesSan Antonio → ChicagoSan Antonio → New YorkSan Antonio → OrlandoSan Antonio → PhiladelphiaSan Antonio → DetroitSan Antonio → BostonSan Antonio → MontereySan Antonio → MiamiSan Antonio → BaltimoreCheap flights to OntarioCheap flights from Ontario

Compare flights