Cheap Flights from Washington (DCA) to Seattle (BFI)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Seattle, WA (BFI-Boeing Field)

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $482
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $482
Select flight to Snohomish County - Paine Field PAE. Average driving time to city center is 29 minutes. Flights from $812
PAE
Snohomish County - Paine Field
Average driving time to city center29 min
Flights from $812

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI) cost?
Get a cheap one-way flight or cheap return flight from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI)?
The cheapest month to fly from DCA to BFI is , when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI)?
To find the cheapest airline flying from DCA to BFI, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI)?
You'll have to hop on a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from DCA to BFI?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI)?
Opt for a flight from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Ronald Reagan Washington National Airport (DCA)?
If you're on a direct flight from Ronald Reagan Washington National Airport (DCA) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI) last-minute?
Last-minute fares from DCA to BFI are generally more expensive. To lock in the best prices, start looking for flights ahead of time. That said, if you can play around with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a DCA to BFI flight and hotel package?
You can save money by booking a DCA to BFI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Boeing Field Airport (BFI)?
In most cases, you can reschedule or cancel your DCA to BFI flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Boeing Field
Distance
2322 mi

Book with confidence

Washington to Seattle Flights

The cheapest times to fly from Washington to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Seattle are during the month of . You can find some of the cheapest flights from Washington to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Seattle

Sunday is one of the best days to book for cheap flights from Washington to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Seattle Flights

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*Available to One Key members.