Cheap flights from Washington to Seattle
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

Book a Washington Dulles to Seattle flight and save

The price of an airline ticket from Washington Dulles to Seattle varies depending on your travel dates and how far in advance you book your flight. Fly Scanner brings you the best cheap flights by comparing schedules, airlines, stopovers, alternative dates and other destinations in United States.

Find a direct flight Washington Dulles to Seattle

If you're looking only for direct flights to Seattle, with our search engine you can filter the offers of hundreds of companies to get only the cheapest direct flights from Washington Dulles to Seattle. Avoid unnecessary waste of time, compare all offers in one search.

Find the Washington Dulles - Seattle low cost flight you prefer

Fly Scanner, once you enter your departure and arrival cities, will compare thousands of offers based on your needs.

Filter your search

Fly Scanner offers the possibility to customize your search according to different criteria:

  • Only direct flights
  • Only flights of one airline
  • Only flights departing or arriving at a specific airport
Other filters allow you to check prices for nearby dates to save even more on your trip to United States.

Frequently Asked Questions

Frequently asked questions about flights from Washington Dulles to Seattle.

How much does a Washington Dulles - Seattle flight cost?

The lowest price in the last 15 days for an airline ticket from Washington Dulles to Seattle is $133.

How far is Washington from Seattle?

Washington is about 2300 mi from Seattle.

What are the airports in Seattle?

At Seattle there are 2 airports: Boeing Field, Lake Union.

What are the airports in Washington?

At Washington there are 3 airports: Dulles international, Ronald Reagan, Washington International.

What are the most popular destinations searched for in United States?

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

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

The cheapest month to fly from Washington to Seattle is January.

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

The most expensive month to fly from Washington to Seattle is June.

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

For flights from Washington to Seattle Tuesday is on average the cheapest day to fly, while Monday is the most expensive day to fly.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more