Departure time
Airlines
Fares are the lowest prices found recently and can change when you click through. You book on the airline's or travel agency's website. AirTriply may earn a commission at no extra cost to you.
Lowest fare$139
Cheapest monthNovember 2026
Typical flight time3h 55m
Direct flightsNo
Lowest fare by month
Airlines on this route
Frequently asked questions
What is the cheapest month to fly from Ontario to San Antonio?
November 2026 has had the lowest recent fares, from $139 one way.
How long is the flight from Ontario to San Antonio?
A typical flight takes about 3h 55m.
Are there direct flights from Ontario to San Antonio?
No direct flights were found recently. Most trips include a stop.
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
Ontario → San FranciscoOntario → Las VegasOntario → San JoseOntario → SeattleOntario → PhoenixOntario → DenverOntario → DallasOntario → WashingtonOntario → BaltimoreOntario → AtlantaOntario → OaklandOntario → PortlandOntario → NashvilleOntario → HoustonCheap flights to San AntonioCheap flights from San Antonio
