How much is a ticket from Washington Dulles to Seattle?

Depending on when you travel and how far in advance you book, fares between Washington and Seattle can differ a lot.

The lowest fare seen in the past 15 days was €338.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which airports are most convenient between Washington and Seattle?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Washington: There are 3 airports in Washington - Dulles international, Ronald Reagan, Washington International.
• Airports in Seattle: In Seattle you can fly to/from 2 airports - Boeing Field, Lake Union.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Adjust your flight filters for Washington Dulles – Seattle

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

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.