Cheap flights from Washington Dulles to Seattle Lake Union

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Planning a flight from Washington Dulles to Seattle Lake Union?

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

Choose a date to explore the best fares now.

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.

Which departure and arrival airports are available?

Between Washington and Seattle, flight options may depend on the combination of airports available.

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

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Flights from Washington - Dulles international to Seattle - Lake Union

Refine your flight search from Washington Dulles to Seattle Lake Union

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from Expedia, eDreams, and top carriers.

Other popular destinations

Also looking at United States? These cities are trending: Atlanta, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.
Frequently Asked Questions

Frequently asked questions about flights from Washington Dulles to Seattle Lake Union.

How much does an airline ticket from Washington Dulles to Seattle Lake Union cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Washington Dulles to Seattle Lake Union.

How far is Washington from Seattle?

Washington is about 2301 mi from Seattle.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the airports in Washington?

Washington has 3 airports: Dulles international, Ronald Reagan, Washington International.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Atlanta, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Washington to Seattle?

This information is not available at the moment.

What is the cheapest month to fly from Washington to Seattle?

This information is not available at the moment.

What is the most expensive month to fly from Washington to Seattle?

This information is not available at the moment.

What is the best day of the week to fly from Washington to Seattle?

This information is not available at the moment.