United flights from Washington to Ontario (IAD→ONT)

Prices were available within the past 7 days and starts at $121 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Washington to Ontario route information

Origin Airport Washington Dulles Intl.
Destination Airport Los Angeles - Ontario Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Distance 2,236 mi
Popular Airline United

United Flights from Washington to Ontario

❓Travel advisory due to Coronavirus (COVID-19) with flights Booked

✔️ Many airlines cover travel to highly impacted areas and policies may vary for changes to your booked flight. Dates and destinations change frequently as more is learned about the situation, so it’s important for travellers to check in with the air carriers for the most up to date information. Please visit our Customer Service Portal to learn more about what polices are available for your flight to Ontario from Washington.


❓ How much is a flight ticket from Sterling (IAD) -Los Angeles (ONT) with United?

✔️ Prices were available within the past 7 days and starts at $121 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.


❓Which month is the cheapest flight ticket for Sterling (IAD) to Los Angeles (ONT) with United?

✔️ Air fares published on Expedia.com over the past 7 days with lowest prices for one-way departures in October and round-trip departures in .