CA $193 Cheap Flights from Seattle (SEA) to Washington (DCA)

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

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at CA $193 for one-way flights and CA $385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
JetBlue Airways
American Airlines
JetBlue Airways
American Airlines
American Airlines
JetBlue Airways
Delta
Alaska Airlines
United

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

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

July is typically the cheapest month to fly

From CA $317 - CA $514 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to National Airport?
The lowest price advertised for a round-trip flight from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA) is CA $385. But you better act quick. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to National Airport?
Each air carrier has its own terms and conditions. If you decide to cancel your escape, 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?
Plenty of carriers offer the option to move your flight at no extra charge. All you pay is the fare difference. When looking for Seattle - Tacoma Intl. Airport (SEA) to National Airport flights, you'll see a "No change fees" filter for you to tick.
How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to Ronald Reagan Washington National Airport (DCA)?
The flight time from Sea-Tac Airport to National Airport is roughly 6 hours and 44 minutes. Put your headphones on, listen to your favourite podcast and the time will whiz by.
How far is the flight from SEA to Ronald Reagan Washington National Airport (DCA)?
The flight distance from SeaTac to Arlington is 3,700 kilometres. Bring along a drink, some snacks and a good book to read. Keep yourself entertained and the hours will zip by.
Which airlines fly direct from SEA to Ronald Reagan Washington National Airport (DCA)?
Flying straight from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA) is simple with Alaska Airlines (AS). This leading airline offers 60 flights every month.
Are SEA to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Sea-Tac Airport to National Airport can be hit-or-miss. It is possible to find a bargain, but then again, you could miss out altogether! If you'd prefer to play it safe and start planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices so far in advance. Our suggestion? Check back often as updates are made regularly.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $384
Distance
3715 km
Average flight time
8 hours 11 mins

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.