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- Flights from Ottawa to Washington
What’s the cost of a flight from Ottawa to Washington Dulles?
Prices vary based on date, airline, and availability. Compare several options if you're flying between Ottawa and Washington.
Choose a date to explore the best fares now.
If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.
Which departure and arrival airports are available?
Between Ottawa and Washington, flight options may depend on the combination of airports available.
- Airports in Ottawa: Only Ottawa - McDonald Cartier is currently in operation.
- Airports in Washington: Washington is served by 3 airports - Dulles international, Ronald Reagan, Washington International.
Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.
Adjust your flight filters for Ottawa – Washington Dulles
Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.
Other popular destinations
Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.
Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.
Frequently asked questions about flights from Ottawa to Washington Dulles.
How much does an airline ticket from Ottawa to Washington Dulles cost?
How far is Ottawa from Washington?
What are the airports in Washington?
What are the airports in Ottawa?
What are the most popular cities in United States?
When should I book a flight from Ottawa to Washington?
What is the cheapest month to fly from Ottawa to Washington?
What is the most expensive month to fly from Ottawa to Washington?
What is the best day of the week to fly from Ottawa to Washington?
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