Seattle to Washington D.C. Flight tickets from €52

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Flights from Seattle to Washington D.C.

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Book flight tickets from Seattle to Washington D.C. starting at €52

For as little as €52, you can take your next adventure to Washington D.C. without breaking the bank. Choose between one-way and return tickets from Seattle below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Seattle to Washington D.C.

Explore the best time to buy affordable tickets to Washington D.C. with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Seattle to Washington D.C.

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Seattle to Washington D.C..

Frontier Airlines

From €52

Spirit Airlines

From €76

American Airlines

From €109

United Airlines

From €121

Jetblue Airways

From €123

Southwest Airlines

From €164

Alaska Airlines

From €212

Delta Air Lines

From €214

Sun Country Airlines

From €216

ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Washington D.C.

Did you know that you can save money and time on an alternative route from Seattle to Washington D.C.? Check out some of the different available routes below.

Cheapest
SEA
09:37
9h 22m
1 transfer
DCA
21:59
Seattle-Tacoma International Airport - Ronald Reagan Washington National Airport
Wed, Nov 6Frontier Airlines
€52
SEA
16:11
4h 48m
Direct
IAD
23:59
Seattle-Tacoma International Airport - Washington Dulles International Airport
Wed, Oct 2Alaska Airlines
€212
SEA
16:11
4h 48m
Direct
IAD
23:59
Seattle-Tacoma International Airport - Washington Dulles International Airport
Wed, Oct 2Alaska Airlines
€212
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How do I find the cheapest flights?

When are flight tickets from Seattle (SEA) to Washington D.C. (WAS) the cheapest?
Airlines adjust prices for flights from Seattle to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Seattle (SEA) to Washington D.C. (WAS) cost?
According to Trip.com's data, the lowest price is around €267.
How long does it take to fly from Seattle (SEA) to Washington D.C. (WAS) and what is the distance?
It takes around 5 hours 10 minutes to fly from Seattle (SEA) to Washington D.C. (WAS).
What are the most popular airlines that fly from Seattle (SEA) to Washington D.C. (WAS)?
Airlines with flights from Seattle (SEA) to Washington D.C. (WAS): Brussels Airlines, Iberia, Virgin Atlantic, All Nippon Airways, Air Tahiti Nui, United Airlines, Alaska Airlines, Singapore Airlines, Korean Air, Austrian Airlines, China Eastern Airlines, Delta Air Lines, Japan Airlines, Qatar Airways and Ethiopian Airlines.

How to find a cheap flight from Seattle to Washington D.C.

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Information from Seattle to Washington D.C.

Cheapest nonstop flight price	€51
Cheapest round-trip ticket price	€160
Off-season for travel	September
Peak season for travel	June
Flight distance	3,736.07km
Average flight time	5 hours 10 minutes
Popular airline	American Airlines