NZ$274 Cheap Flights Seattle to Washington (SEA-DCA)

View NZ$274 flight on Fri, 31 Oct 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Ronald Reagan National Airport (DCA)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$478 Return, found 4 days ago
NZ$478
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$478 found 4 days ago
American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$513 Return, found 4 days ago
NZ$513
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$513 found 4 days ago
Delta
Wed, 12 Nov - Wed, 3 Dec
SEA
Seattle
DCA
Washington
NZ$531 Return, found 5 days ago
NZ$531
Return
found 5 days ago
Select Delta flight, departing Wed, 12 Nov from Seattle to Washington, returning Wed, 3 Dec, priced at NZ$531 found 5 days ago
American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$547 Return, found 4 days ago
NZ$547
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$547 found 4 days ago
American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$556 Return, found 4 days ago
NZ$556
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$556 found 4 days ago
American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$590 Return, found 4 days ago
NZ$590
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$590 found 4 days ago
American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$616 Return, found 4 days ago
NZ$616
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$616 found 4 days ago
American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$650 Return, found 4 days ago
NZ$650
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$650 found 4 days ago
American Airlines
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$659 Return, found 4 days ago
NZ$659
Return
found 4 days ago
Select American Airlines flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$659 found 4 days ago
United
Fri, 31 Oct - Mon, 3 Nov
SEA
Seattle
DCA
Washington
NZ$719 Return, found 4 days ago
NZ$719
Return
found 4 days ago
Select United flight, departing Fri, 31 Oct from Seattle to Washington, returning Mon, 3 Nov, priced at NZ$719 found 4 days ago
Flight from Seattle to Washington route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Ronald Reagan Washington National
Return price
NZ$478
Distance
3715 km
Average flight time
10 hours 3 mins

Perfect flights from Seattle to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Washington. 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 Washington, 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 Seattle - Tacoma Intl. to Ronald Reagan Washington National ticket options cater to your travel preferences, with incredible one-way fares from NZ$274 and roundtrip prices from NZ$478. 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 Ronald Reagan Washington National and explore Washington 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 SEA to DCA travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from SEA to National Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between Seattle - Tacoma Intl. Airport (SEA) and National Airport was NZ$478. Great fares don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to DCA?
Every air carrier has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to National Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA)?
Around 3 700 kilometres separates SeaTac and Arlington, so pack something to keep you occupied for a couple of hours. That latest bestseller you've yet to start will be ideal.
Which airlines fly direct from SEA to Ronald Reagan Washington National Airport (DCA)?
Flying nonstop from SEA to National Airport is easy with Alaska Airlines (AS). This top airline operates 60 flights every month.
Are SEA to National Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from Seattle - Tacoma Intl. Airport (SEA) to DCA are available up to a year prior to departure on Expedia. And although you may nab a fantastic last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so check back often for all the latest specials.

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