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$132
Cheapest monthNovember 2026
Typical flight time6h 32m
Direct flightsNo
Lowest fare by month
Airlines on this route
Frequently asked questions
What is the cheapest month to fly from Washington to Ontario?
November 2026 has had the lowest recent fares, from $132 one way.
How long is the flight from Washington to Ontario?
A typical flight takes about 6h 32m.
Are there direct flights from Washington to Ontario?
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
Washington → AtlantaWashington → MiamiWashington → Fort LauderdaleWashington → BostonWashington → ColumbusWashington → New YorkWashington → ChicagoWashington → AustinWashington → HoustonWashington → OrlandoWashington → DallasWashington → TorontoWashington → New OrleansWashington → CharlotteCheap flights to OntarioCheap flights from Ontario
