
Popular airlines from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- JetBlue Airways
JetBlue Airways
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Southwest Airlines
Southwest Airlines
- Plan, book, fly with confidence
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Cheap flights from Washington to Seattle (DCA-SEA)
Prices were available within the past 7 days and start at €141 for one-way flights and €224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 6 Sep - Sat, 13 Sep
DCA
Washington
SEA
Seattle
€224 Return, found 4 days ago
€224
Return
found 4 days ago

Sat, 6 Sep - Sat, 13 Sep
DCA
Washington
SEA
Seattle
€236 Return, found 4 days ago
€236
Return
found 4 days ago

Sat, 6 Sep - Sat, 13 Sep
DCA
Washington
SEA
Seattle
€241 Return, found 4 days ago
€241
Return
found 4 days ago

Sat, 6 Sep - Sat, 13 Sep
DCA
Washington
SEA
Seattle
€249 Return, found 4 days ago
€249
Return
found 4 days ago

Sat, 6 Sep - Sat, 13 Sep
DCA
Washington
SEA
Seattle
€252 Return, found 4 days ago
€252
Return
found 4 days ago

Sat, 30 Aug - Sat, 6 Sep
DCA
Washington
SEA
Seattle
€255 Return, found 2 days ago
€255
Return
found 2 days ago

Sat, 6 Sep - Sat, 13 Sep
DCA
Washington
SEA
Seattle
€266 Return, found 4 days ago
€266
Return
found 4 days ago

Tue, 7 Oct - Sun, 19 Oct
DCA
Washington
SEA
Seattle
€271 Return, found 1 day ago
€271
Return
found 1 day ago

Sat, 6 Sep - Sat, 13 Sep
DCA
Washington
SEA
Seattle
€327 Return, found 4 days ago
€327
Return
found 4 days ago

Wed, 5 Nov - Thu, 27 Nov
DCA
Washington
SEA
Seattle
€341 Return, found 1 day ago
€341
Return
found 1 day ago
Find the cheapest month to fly from Washington (DCA) to Seattle (SEA)
October is typically the cheapest month to fly
From €119 - €296 per traveller.
Graph displaying average flight prices per month
Origin airport | Ronald Reagan Washington National |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, United |
Return price | €223 |
Distance | 3715 km |
Average flight time | 2 hours 55 mins |
Perfect flights from Washington to Seattle
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of Seattle, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Ronald Reagan Washington National to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from €141 and roundtrip prices from €224. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore Seattle and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your DCA to SEA travel arrangements today and embark on the journey of a lifetime in Seattle.
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Top Routes to Seattle
- Newark Liberty Intl. Airport to Seattle (EWR - SEA)
- Los Angeles to Seattle (LAX - SEA)
- Fort Lauderdale to Seattle (FLL - SEA)
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- Amsterdam to Seattle (AMS - SEA)
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- New York to Seattle (JFK - SEA)
- Dublin to Seattle (DUB - SEA)
- Frankfurt to Seattle (FRA - SEA)
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