Planning a flight from Washington National to Seattle?

Flight prices from Washington to Seattle change depending on demand and time of booking.

The lowest fare seen in the past 15 days was $46.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Flying between Washington and Seattle? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Washington airports in a single search.

Adjust your flight filters for Washington National – 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: Atlanta, 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.