How much is a flight from Washington Dulles to Ontario?

There’s no fixed price — fares between Washington and Ontario can vary a lot by day or time.

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Which airports serve Washington and Ontario?

When planning a trip of about 3601 km, it's a good idea to check flights from surrounding airports too.

• Airports in Washington: Washington is connected to 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Ontario: The only active airport in Ontario is Ontario.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Filter and compare flights from Washington Dulles to Ontario

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Other popular destinations

Want more ideas for your trip to United States? Check these: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.