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

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

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Flights from Washington (DCA) to Seattle (SEA)
Origin airport
Ronald Reagan Washington National
Destination airport
Seattle - Tacoma Intl.
Distance
3715 km
Average flight time
3 hours 3 mins

Washington to Seattle Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Washington to Seattle may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Seattle are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Seattle more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is now!

Frequently asked questions

How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport?
Alaska Airlines has a direct flight jetting off from Ronald Reagan Washington National Airport (DCA) at 8:00AM and coming in to land at Seattle - Tacoma Intl. Airport (SEA) at 10:50AM — a total flying time of 5 hours and 50 minutes. Secure the best available seat, pack something to keep you amused and the time will whiz by.
Is it cheaper to buy a plane ticket from DCA to Sea-Tac Airport last minute?
Being the spontaneous type is an amazing way to travel around, but it's not always the best way to grab a bargain flight. Think about booking your National Airport to Sea-Tac Airport journey in advance rather than waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save up that spontaneity for when you arrive in Sea-Tac Airport!
What airline has the least delays from DCA to Seattle - Tacoma Intl. Airport (SEA)?
Fly with Alaska Airlines from National Airport to SEA and hit the tarmac at the time printed on your ticket. This airline clinches first place on this route, with an 89% on-time score. If your flight happens to get delayed, the Expedia App will keep you in the loop. Download it and you'll get real-time trip notifications, from flight delays to gate number changes.
What airports do you fly into for Seattle from Washington?
Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI) are your options when flying from Washington to Seattle. Approximately 19 kilometers south of downtown Seattle, Seattle - Tacoma Intl. Airport (SEA) is the city's principal hub. Take into account things like flight schedules and the distance to your hotel before settling on an airport. Space Needle and Pike Place Market are two awesome attractions to put on your must-see list when you get to your destination.
What are the most popular departure times for flights from DCA to Seattle - Tacoma Intl. Airport (SEA)?
Between 8:00 AM - 9:00 AM is when you'll find the largest number of Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport. Our top tip? Take off earlier in the day. With air traffic yet to build up around airports, your chances of boarding a delay-free flight are higher.
Can I change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Sea-Tac Airport?
Life can throw a spanner in your plans, so Expedia is here to help make things easier. To start, access your National Airport to SEA itinerary through the Expedia Trips portal and look up the fare conditions to see if change fees apply. If you booked your airfare in the last 24 hours, some carriers will allow you to cancel for free and organize new flights. If you booked your fare more than 24 hours ago, contact us through our Customer Service portal to see how we can assist.

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