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Amazing DCA to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $148 round trip and $74 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for DCA to SEA

Carrier Flight Depart DCA Arrive SEA Mon
7/13
Tue
7/14
Wed
7/15
Thu
7/16
Fri
7/17
Sat
7/18
Sun
7/19
Stops
AS 3 05:15 pm 08:03 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about flights from Ronald Reagan Washington National Airport (DCA) to Seattle - Tacoma Intl. Airport (SEA)

Are there direct flights from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Sea-Tac Airport?

For an easy journey between Washington and Seattle, try Alaska Airlines. They advertise direct flights from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.).

How long is the flight from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Sea-Tac Airport?

Flights between Washington and Seattle usually take around 6 hours and 19 minutes all up. Make the most of that time in the air by resting, reading, exploring the in-flight entertainment or doing all three.

What is the flight distance from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Sea-Tac Airport?

The flight distance from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) is 2,299 miles. We recommend you bring a magazine or a few podcasts to make your journey more relaxing.

What airlines fly from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Sea-Tac Airport?

Sorted out the dates for your big adventure? Prefer to fly directly from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.)? With Alaska Airlines offering as many as 90 flights each month, you'll be in the air in no time.

Flying Tips & Tricks How do I find my flight number?
  • Your flight number is contained in your itinerary. It's a sequence of letters and numbers, and it should be easy to find.
How early can you check bags for a flight?
  • Airlines can have varying requirements for check-in and luggage drop times. However, as a general rule of thumb, you should arrive at the terminal three hours prior to departure for international flights. If you're traveling on a domestic flight, the recommended time is two hours prior to takeoff. Our top tip? Get there on time. International flights tend to close baggage drop one hour before departure. With domestic flights, 45 minutes before is standard.

DCA to SEA Frequently Asked Questions

Ronald Reagan Washington National to Seattle - Tacoma Intl. Flight FAQ

Traveling FromRonald Reagan Washington National
Traveling ToSeattle - Tacoma Intl.
Shortest Flight Time5 hours 48 mins
Earliest Departure Time5:15PM EDT
Latest Departure Time5:15PM EDT
Lowest Flight Price$148

Washington to Seattle Carriers and Route Information

Flight path for flights from Ronald Reagan National Airport to Seattle-Tacoma International Airport


Distance:
2,339.00 miles


Airlines & Aircraft Used on DCA to SEA Flight Routes


Airline Carrier
Aircraft
American Airlines
Canadair Regional Jet
United Airlines
Airbus A320-100/200
United Airlines
Boeing 737 all pax models
United Airlines
Boeing 737-800 pax
*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.