NZ$172 Cheap Flights Seattle to Washington (SEA-WAS)

View NZ$172 flight on Tue, 26 Aug. 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Washington

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

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.

Delta
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$958 Return, found 4 days ago
NZ$958
Return
found 4 days ago
Select Delta flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$958 found 4 days ago
United
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$959 Return, found 4 days ago
NZ$959
Return
found 4 days ago
Select United flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$959 found 4 days ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$974 Return, found 4 days ago
NZ$974
Return
found 4 days ago
Select Delta flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$974 found 4 days ago
United
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$975 Return, found 4 days ago
NZ$975
Return
found 4 days ago
Select United flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$975 found 4 days ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$990 Return, found 4 days ago
NZ$990
Return
found 4 days ago
Select Delta flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$990 found 4 days ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$1,040 Return, found 4 days ago
NZ$1,040
Return
found 4 days ago
Select Delta flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$1,040 found 4 days ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$1,056 Return, found 4 days ago
NZ$1,056
Return
found 4 days ago
Select Delta flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$1,056 found 4 days ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$1,071 Return, found 4 days ago
NZ$1,071
Return
found 4 days ago
Select Delta flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$1,071 found 4 days ago
American Airlines
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$1,107 Return, found 4 days ago
NZ$1,107
Return
found 4 days ago
Select American Airlines flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$1,107 found 4 days ago
Alaska Airlines
Mon, 11 Aug. - Fri, 15 Aug.
SEA
Seattle
IAD
Washington
NZ$1,146 Return, found 4 days ago
NZ$1,146
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 11 Aug. from Seattle to Washington, returning Fri, 15 Aug., priced at NZ$1,146 found 4 days ago
Flight from Seattle to Washington route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Washington Dulles Intl.
Return price
NZ$957
Distance
3679 km

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 , 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 WAS-All Airports ticket options cater to your travel preferences, with incredible one-way fares from NZ$172 and roundtrip prices from NZ$958. 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 WAS-All Airports and explore 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 to travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Washington, DC (WAS-All Airports)?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights between SEA and Washington, DC (WAS-All Airports) start from NZ$958. Make your booking today to secure the best price for your exciting adventure. 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 to Washington, DC (WAS-All Airports)?
Every airline has its own set of terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from SEA to Washington, DC (WAS-All Airports) 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-Tac Airport to Washington, DC (WAS-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Washington, DC (WAS-All Airports)?
The flying distance between Sea-Tac Airport and Washington, DC (WAS-All Airports) is 3 700 kilometres. Close your eyes or make a start on the latest bestseller and the journey will whiz by.
Which airlines fly direct from SEA to Washington, DC (WAS-All Airports)?
Many adventurers choose to fly with Alaska Airlines (AS) from Sea-Tac Airport to Washington, DC (WAS-All Airports). This top airline offers 117 flights monthly, so you can pick a flight time that's perfect for you. Another carrier operating on this route is United Airlines (UA). You'll have 60 flights each month to choose from.
Are Seattle - Tacoma Intl. Airport (SEA) to Washington, DC (WAS-All Airports) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Sea-Tac Airport to Washington, DC (WAS-All Airports) can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd rather start planning early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines release their prices so far in advance. Our top tip? Check back often as updates are made frequently.

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