Cheap Flights from Washington D.C. to Seattle from CAD 110️ 2024

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Flights from Washington D.C. to Seattle

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Find Washington D.C. to Seattle flights starting at CAD 110.

Book one-way or return flights from Washington D.C. to Seattle from as little as CAD 110. Choose from the popular airlines below and book your flight today!

One way
Round-trip

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

Searching for the best last minute flight from Washington D.C. to Seattle? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Washington D.C. to Seattle. Stay updated on price trends and snag the best deals for your upcoming trip.

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

Find Cheapest Airlines Flying from Washington D.C. to Seattle

View airlines operating flights from Washington D.C. to Seattle. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Sun Country Airlines

From CAD 191

Jetblue Airways

From CAD 198

United Airlines

From CAD 207

Southwest Airlines

From CAD 209

Southern Airways Express

From CAD 241

Frontier Airlines

From CAD 298

Alaska Airlines

From CAD 307

Delta Air Lines

From CAD 511

American Airlines

From CAD 561

ANA airlines

Find more flights and airlines

Alternative Routes for Washington D.C. to Seattle Flights

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Washington D.C. to Seattle.

Cheapest
DCA
07:00
27h 20m
1 transfer
SEA
07:20
Ronald Reagan Washington National Airport - Seattle-Tacoma International Airport
Sun, Apr 28Frontier Airlines
CAD 298
IAD
19:09
5h 51m
Direct
SEA
22:00
Dulles International Airport - Seattle-Tacoma International Airport
Wed, May 15Alaska Airlines
CAD 307
IAD
19:09
5h 51m
Direct
SEA
22:00
Dulles International Airport - Seattle-Tacoma International Airport
Wed, May 15Alaska Airlines
CAD 307
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How do I find the cheapest flights?

When are flight tickets from Washington D.C. (WAS) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Washington D.C. to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Washington D.C. (WAS) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around CAD 584.
How long is the flight from Washington D.C. (WAS) to Seattle (SEA)?
It takes about 5 hours 49 minutes to fly from Washington D.C. (WAS) to Seattle (SEA).
What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
What are the most popular airlines that fly from Washington D.C. (WAS) to Seattle (SEA)?
Airlines with flights from Washington D.C. (WAS) to Seattle (SEA): Delta Air Lines, Air Tahiti Nui, Korean Air, Singapore Airlines, Alaska Airlines, Brussels Airlines, Qatar Airways, Lufthansa, Austrian Airlines, Ethiopian Airlines, Japan Airlines and Copa Airlines.
What's the most popular airline for direct flights from Washington D.C. (WAS) to Seattle (SEA)?
Alaska Airlines operates 1 direct flights from Washington D.C. (WAS) to Seattle (SEA).
How many airports in Seattle (SEA)?
There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle-Tacoma International Airport.

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

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Seattle. Book your flights at the right time and save more.

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 for Washington D.C. to Seattle Flights

Cheapest direct flight price	CAD 110
Cheapest return ticket price	CAD 239
Cheapest month	January
Peak season for travel	October
Flight distance	3,736.07km
Average flight time	5 hours 49 minutes
Popular airline	Alaska Airlines