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

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

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $224 round trip and CA $138 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $224 Roundtrip, found 19 hours ago
CA $224
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $224 found 19 hours ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $225 Roundtrip, found 19 hours ago
CA $225
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $225 found 19 hours ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $239 Roundtrip, found 19 hours ago
CA $239
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $239 found 19 hours ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $252 Roundtrip, found 19 hours ago
CA $252
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $252 found 19 hours ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $253 Roundtrip, found 19 hours ago
CA $253
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $253 found 19 hours ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $279 Roundtrip, found 19 hours ago
CA $279
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $279 found 19 hours ago
Sat, Jan 10 - Sat, Jan 17
DCA
Washington
SEA
Seattle
CA $281 Roundtrip, found 6 days ago
CA $281
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jan 10 from Washington to Seattle, returning Sat, Jan 17, priced at CA $281 found 6 days ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $293 Roundtrip, found 19 hours ago
CA $293
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $293 found 19 hours ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $294 Roundtrip, found 19 hours ago
CA $294
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $294 found 19 hours ago
Sat, Jan 31 - Tue, Feb 10
DCA
Washington
SEA
Seattle
CA $306 Roundtrip, found 19 hours ago
CA $306
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Washington to Seattle, returning Tue, Feb 10, priced at CA $306 found 19 hours ago

Frequently asked questions

Are there direct flights from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport?
Wander wisely and get your hands on a direct flight from National Airport to SEA with Alaska Airlines. This carrier is the ideal choice if you'd rather get to Seattle as fast as you can.
What airlines fly from National Airport to Sea-Tac Airport?
Many seasoned wanderers choose to take to the skies with Alaska Airlines (AS) from Arlington to Seattle. This reputable air carrier not only offers as many as 60 flights per month, it also has direct services.
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 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!

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!

*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.