¥17,690 Cheap Flights from Washington (DCA) to Seattle (SEA)

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

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Cheap Flights from Washington to Seattle (DCA-SEA)

Prices were available within the past 7 days and start at ¥17,690 for one-way flights and ¥30,970 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
American Airlines
American Airlines
American Airlines
Delta
American Airlines
American Airlines
American Airlines
United

Find the cheapest month to fly from Washington (DCA) to Seattle (SEA)

November is typically the cheapest month to fly

From ¥20,326 - ¥81,422 per traveler.

Frequently asked questions

How much is a flight from National Airport to Seattle - Tacoma Intl. Airport (SEA)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from National Airport to Sea-Tac Airport was ¥30,970. Fares this cheap don't wait forever, so make sure you 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 National Airport to Sea-Tac Airport?
When it comes to cancellation fees, every airline has different terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from National Airport to Sea-Tac Airport 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 DCA to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Ronald Reagan Washington National Airport (DCA) to SEA?
It takes roughly 7 hours and 24 minutes to jet from DCA to SEA. But with your favorite playlist and an interesting book, the hours will pass by quicker.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport?
The flying distance between National Airport and Seattle - Tacoma Intl. Airport (SEA) is 3,700 kilometers. Squeeze in a nap or read a good book and the trip will zip by.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport?
Check out Alaska Airlines (AS) if you want to fly directly from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA). This carrier operates 60 monthly flights, so you're sure to find one that suits your schedule.
Are Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from National Airport to Sea-Tac Airport can be hit-or-miss. You might be lucky and score a bargain, but you could also completely miss out! If you'd rather start planning early, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines issue their prices that far in advance. Our top tip? Check back often as updates are made regularly.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines
Roundtrip price
¥30,970
Distance
3715 km
Average flight time
2 hours 48 mins

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