$114 Cheap Flights from Seattle (SEA) to Washington (DCA)

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Flight deals we found

These prices are lower than our typical predictions for similar flights.
40% less than typical
$757
Roundtrip per traveler
Fri, May 24 - Mon, May 27
Alaska AirlinesAlaska Airlines
5h 12m
1:47pm
9:59pm
SEA
Nonstop
DCA
Found 1 hour ago
70% less than typical
$368
Roundtrip per traveler
Thu, Sep 19 - Sun, Sep 22
UnitedUnited
7h 38m
11:59pm
10:37am
+1
SEA
1 stop • 1h 45m in ORD
DCA
Found 8 hours ago
65% less than typical
$376
Roundtrip per traveler
Mon, Jul 1 - Tue, Jul 2
American AirlinesAmerican Airlines
8h 10m
5:10am
4:20pm
SEA
1 stop • 2h 20m in ORD
DCA
Found 23 hours ago
55% less than typical
$567
Roundtrip per traveler
Fri, Jun 21 - Sun, Jun 23
American AirlinesAmerican Airlines
8h 10m
5:10am
4:20pm
SEA
1 stop • 2h 20m in ORD
DCA
Found 15 hours ago
50% less than typical
$301
Roundtrip per traveler
Thu, Aug 29 - Sun, Sep 8
JetBlue AirwaysJetBlue Airways
7h 54m
8:50pm
7:44am
+1
SEA
1 stop • 50m in BOS
DCA
Found 11 hours ago
20% less than typical
$478
Roundtrip per traveler
Mon, May 13 - Fri, May 31
JetBlue AirwaysJetBlue Airways
8h 11m
8:40pm
7:51am
+1
SEA
1 stop • 51m in BOS
DCA
Found 23 hours ago

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Cheap Flights from Seattle to Washington (SEA-DCA)

Prices were available within the past 7 days and start at $114 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
JetBlue Airways
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flights from Seattle (SEA) to Washington (DCA)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Roundtrip price
$222
Distance
2322 mi

Seattle to Washington Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Washington offer the perfect respite. Not only does exploring Washington 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 Seattle to Washington 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 SEA to DCA 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 Washington are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Washington more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Washington is $114 now!

Frequently asked questions

How much is a flight from SEA to National Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between Seattle - Tacoma Intl. Airport (SEA) and National Airport was $222. Great fares don’t stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to DCA?
Every air carrier has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to National Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA)?
Around 2300 mi separates SeaTac and Arlington, so pack something to keep you occupied for a couple of hours. That latest bestseller you’ve yet to start will be ideal.
Which airlines fly direct from SEA to Ronald Reagan Washington National Airport (DCA)?
Flying nonstop from SEA to National Airport is easy with Alaska Airlines (AS). This top airline operates 60 flights every month.
Are SEA to National Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from Seattle - Tacoma Intl. Airport (SEA) to DCA are available up to a year prior to departure on Expedia. And although you may nab a fantastic last-minute deal, it’s never something you can count on. Also, booking your flights well in advance means you’ll have more options — and you can avoid getting trapped in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so check back often for all the latest specials.
Seattle nearby Airports

Seattle Paine Field Intl. Airport

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