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Amazing DCA to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $188 round trip and $94 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for DCA to SEA

Carrier Flight Depart DCA Arrive SEA Wed
11/25
Thu
11/26
Fri
11/27
Sat
11/28
Sun
11/29
Mon
11/30
Tue
12/1
Stops
AS 1 08:00 am 10:55 am Check fare Check fare Check fare Check fare Check fare Check fare - 0 stop(s)
AS 3 05:15 pm 08:17 pm - - - - - - Check fare 0 stop(s)

Best Seattle - Tacoma Intl. Flight and Hotel Packages

Seattle - Tacoma Intl. flight + hotel packages - economy flights

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

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

The only thing separating you and your next inspirational adventure is a single flight. Alaska Airlines is the only airline that operates direct services from Washington, DC (DCA-Ronald Reagan Washington National) to Seattle, WA (SEA-Seattle - Tacoma Intl.), so you may want to book ahead.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Seattle, WA (SEA-Seattle - Tacoma Intl.), please visit our Customer Service Portal.

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

With the flight between Washington and Seattle taking on average 6 hours and 19 minutes, you'll have time to get lots of things done in the air. Make good use of the journey by bringing that book you never have time to read, seeing what in-flight entertainment is on offer or having a good snooze. You may even find you're able to squeeze in all three before arriving.

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

You'll need to journey about 2,299 mi from Washington, DC (DCA-Ronald Reagan Washington National) to Seattle, WA (SEA-Seattle - Tacoma Intl.) before you can officially embark on your vacation. Grab a beverage from the drink cart and catch up on one or two of your favorite podcasts. You'll have loads of time!

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

Want to fly straight from Washington to Seattle? Today is your lucky day. Alaska Airlines offers as many as 90 flights every month and is the top choice for many worldly wanderers.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity 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 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

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

Traveling FromRonald Reagan Washington National
Traveling ToSeattle - Tacoma Intl.
Shortest Flight Time6 hours 2 mins
Earliest Departure Time5:15PM EST
Latest Departure Time5:15PM EST
Lowest Flight Price$188

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.