Cheap Flights From Seattle - Tacoma Intl. (SEA) To Ronald Reagan Washington National (DCA)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly

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

The cheapest flights to Ronald Reagan Washington National found within the past 7 days were CA $350 round trip and CA $151 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Mar 31 - Sun, Apr 5
SEA
Seattle
DCA
Washington
CA $350 Roundtrip, found 4 days ago
CA $350
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Mar 31 from Seattle to Washington, returning Sun, Apr 5, priced at CA $350 found 4 days ago
Tue, Apr 21 - Sat, Apr 25
SEA
Seattle
DCA
Washington
CA $352 Roundtrip, found 5 days ago
CA $352
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Apr 21 from Seattle to Washington, returning Sat, Apr 25, priced at CA $352 found 5 days ago
Wed, Mar 25 - Tue, Mar 31
SEA
Seattle
DCA
Washington
CA $359 Roundtrip, found 1 day ago
CA $359
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Mar 25 from Seattle to Washington, returning Tue, Mar 31, priced at CA $359 found 1 day ago
Fri, May 15 - Tue, May 19
SEA
Seattle
DCA
Washington
CA $363 Roundtrip, found 6 days ago
CA $363
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, May 15 from Seattle to Washington, returning Tue, May 19, priced at CA $363 found 6 days ago
Tue, Apr 21 - Sat, Apr 25
SEA
Seattle
DCA
Washington
CA $379 Roundtrip, found 5 days ago
CA $379
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Apr 21 from Seattle to Washington, returning Sat, Apr 25, priced at CA $379 found 5 days ago
Tue, Apr 21 - Sat, Apr 25
SEA
Seattle
DCA
Washington
CA $393 Roundtrip, found 5 days ago
CA $393
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Apr 21 from Seattle to Washington, returning Sat, Apr 25, priced at CA $393 found 5 days ago
Tue, Mar 31 - Sun, Apr 5
SEA
Seattle
DCA
Washington
CA $407 Roundtrip, found 4 days ago
CA $407
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Mar 31 from Seattle to Washington, returning Sun, Apr 5, priced at CA $407 found 4 days ago
Fri, May 15 - Tue, May 19
SEA
Seattle
DCA
Washington
CA $412 Roundtrip, found 6 days ago
CA $412
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, May 15 from Seattle to Washington, returning Tue, May 19, priced at CA $412 found 6 days ago
Thu, May 14 - Sat, May 16
SEA
Seattle
DCA
Washington
CA $422 Roundtrip, found 3 days ago
CA $422
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, May 14 from Seattle to Washington, returning Sat, May 16, priced at CA $422 found 3 days ago
Thu, May 14 - Sat, May 16
SEA
Seattle
DCA
Washington
CA $428 Roundtrip, found 3 days ago
CA $428
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, May 14 from Seattle to Washington, returning Sat, May 16, priced at CA $428 found 3 days ago

Ronald Reagan Washington National flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Arlo Washington DC

Arlo Washington DC

4 out of 5
Price was CA $2,718, price is now CA $1,865 per person
CA $1,865
per person
Mar 21 - Mar 27
found 22 hours ago
Roundtrip flight included
Seattle (SEA) to Washington (DCA)
Eurostars Saint Gregory Dupont Circle Georgetown

Eurostars Saint Gregory Dupont Circle Georgetown

4 out of 5
Price was CA $2,977, price is now CA $1,878 per person
CA $1,878
per person
Mar 21 - Mar 27
found 22 hours ago
Roundtrip flight included
Seattle (SEA) to Washington (DCA)
Placemakr Buzzard Point

Placemakr Buzzard Point

2.5 out of 5
Price was CA $3,193, price is now CA $2,452 per person
CA $2,452
per person
Mar 21 - Mar 27
found 22 hours ago
Roundtrip flight included
Seattle (SEA) to Washington (DCA)
Hampton Inn & Suites Washington DC-Navy Yard

Hampton Inn & Suites Washington DC-Navy Yard

3 out of 5
Price was CA $2,753, price is now CA $2,115 per person
CA $2,115
per person
Mar 21 - Mar 27
found 22 hours ago
Roundtrip flight included
Seattle (SEA) to Washington (DCA)
Hilton Arlington National Landing

Hilton Arlington National Landing

4 out of 5
Price was CA $2,416, price is now CA $1,866 per person
CA $1,866
per person
Mar 21 - Mar 27
found 22 hours ago
Roundtrip flight included
Seattle (SEA) to Washington (DCA)
Don't see what you're looking for?
See all available trips from Seattle - Tacoma Intl. to Ronald Reagan Washington National
View all trips

Frequently asked questions

Are there direct flights from Sea-Tac Airport to DCA?
Be a wise wanderer and choose a direct flight from SEA to DCA with Alaska Airlines. This air carrier is the ideal choice if you're hoping to land in Arlington as quickly as possible.
What airlines fly from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA)?
Ready to fly off on your next exciting adventure? Want to get from Seattle to Arlington in the shortest time possible? Hop on board one of the 60 nonstop flights offered by Alaska Airlines each month, and you'll be hitting the tarmac before you can say 'Are we there yet?'
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

Popular Flight Routes from Seattle (SEA)

Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle (SEA) today with the cheap prices from Travelocity!

Popular Flight Routes from Washington (DCA)

Travelers at DCA love to visit these top cities. Roam to the top destinations from Washington(DCA) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.