SEA - DCA

C$ 211 Find Cheap Flights from Seattle to Reagan Washington National Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Washington, D.C. departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Reagan-National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Washington, D.C., as well as popular online travel agencies
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Flight Deals

Cheap Flights from Seattle to Reagan-National (SEA-DCA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Reagan-National that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Washington, D.C.

vie., 5 dic. - lun., 8 dic.
Southwest Logo
6:35 a.m. - 8:30 p.m.SEA-DCA
10h 55m1 stop
Southwest Logo
6:00 a.m. - 1:25 p.m.DCA-SEA
10h 25m1 stop
C$ 355Southwest
Find Deal
jue., 8 ene. - sáb., 24 ene.
Alaska Airlines Logo
8:00 a.m. - 4:15 p.m.SEA-DCA
5h 15mdirect
Alaska Airlines Logo
8:00 a.m. - 10:55 a.m.DCA-SEA
5h 55mdirect
C$ 356Alaska Airlines
Find Deal
mié., 7 ene. - mié., 21 ene.
Southwest Logo
6:05 a.m. - 6:05 p.m.SEA-DCA
9h 00m2 stops
Southwest Logo
8:00 a.m. - 5:50 p.m.DCA-SEA
12h 50m2 stops
C$ 362Southwest
Find Deal
jue., 20 nov. - dom., 23 nov.
Southwest Logo
6:35 a.m. - 6:15 p.m.SEA-DCA
8h 40m1 stop
Southwest Logo
3:10 p.m. - 8:00 p.m.DCA-SEA
7h 50m1 stop
C$ 364Southwest
Find Deal
jue., 30 oct. - sáb., 1 nov.
Hawaiian Airlines Logo
5:20 a.m. - 4:00 p.m.SEA-DCA
7h 40m1 stop
Hawaiian Airlines Logo
5:00 p.m. - 8:03 p.m.DCA-SEA
6h 03mdirect
C$ 370Hawaiian Airlines
Find Deal
mar., 23 sep. - jue., 25 sep.
Frontier Logo
7:00 a.m. - 9:59 p.m.SEA-DCA
11h 59m1 stop
Frontier Logo
1:00 p.m. - 12:30 a.m.DCA-SEA
14h 30m1 stop
C$ 375Frontier
Find Deal
mié., 8 oct. - lun., 20 oct.
United Airlines Logo
10:50 a.m. - 9:03 p.m.SEA-DCA
7h 13m1 stop
United Airlines Logo
1:00 p.m. - 6:31 p.m.DCA-SEA
8h 31m1 stop
C$ 377United Airlines
Find Deal
lun., 8 dic. - mié., 10 dic.
Hawaiian Airlines Logo
7:20 a.m. - 9:02 p.m.SEA-DCA
10h 42m1 stop
Hawaiian Airlines Logo
8:59 a.m. - 5:21 p.m.DCA-SEA
11h 22m1 stop
C$ 382Hawaiian Airlines
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jue., 8 ene. - vie., 23 ene.
Alaska Airlines Logo
7:00 a.m. - 9:10 p.m.SEA-DCA
11h 10m1 stop
Alaska Airlines Logo
5:10 p.m. - 10:24 p.m.DCA-SEA
8h 14m1 stop
C$ 384Alaska Airlines
Find Deal
mié., 5 nov. - dom., 9 nov.
Frontier Logo
12:58 p.m. - 12:04 p.m.SEA-DCA
20h 06m1 stop
Frontier Logo
1:00 p.m. - 12:13 p.m.DCA-SEA
26h 13m1 stop
C$ 414Frontier
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts
Delta's Comfort Plus offers extra legroom on this route.
Use SEA Spot Saver for faster security at Seattle.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
3 weeks
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
November
Cheapest • 12% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
C$ 355
Overall average: C$ 870
Southwest
vie. 5/12lun. 8/12
SEA - DCA • 1 stop
Cheapest direct flights
C$ 356
Typical prices: C$ 528-828
Alaska Airlines
jue. 8/1sáb. 24/1
SEA - DCA • Direct
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Washington, D.C.!
Expert advice

Expert advice for your flight from Seattle to Washington, D.C.

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Alaska Airlines

Alaska Airlines offers a 20-minute baggage guarantee, ensuring quick baggage claim or compensation.


Alaska Airlines' Premium Class offers priority boarding and complimentary drinks on flights over 350 miles.

Read more about Alaska Airlinesby Harriet Baskas
Delta

Delta's Comfort Plus seats offer up to three extra inches of legroom compared to Main Cabin.


Delta offers free Wi-Fi for SkyMiles members on domestic flights, enhancing onboard connectivity.

Read more about Deltaby Stefanie Waldek
Airports
SEA

Use the SEA Spot Saver for free expedited security screening. Book online or via the flySEA app for a smoother departure experience.

Read more about SEAby Harriet Baskas
DCA

Take the metro line from DCA to downtown D.C. in under 30 minutes for a convenient and traffic-free arrival.

Read more about DCAby Ramsey Qubein
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on DCA

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Booking Insights

KAYAK's insights & trends for Seattle to Washington, D.C. flights

Get data-powered insights and trends into flights from Seattle to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Washington, D.C. Reagan-National Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Washington, D.C. Reagan-National Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Washington, D.C. Reagan-National Airport is November, where tickets cost C$ 551 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is C$ 870 and C$ 662 respectively.

Can I save money by flying with a layover from Seattle to Washington, D.C. Reagan-National Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of C$ 206, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Seattle to Washington, D.C. Reagan-National Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Washington, D.C. Reagan-National Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Washington, D.C. Reagan-National Airport, you should book around 3 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Find deals

Good to know

Low seasonNovember
Cheapest flightC$ 211
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 0% lower on average.
Flight from Seattle to Reagan Washington National Airport

When to book flights from Seattle to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Seattle to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Seattle to Reagan Washington National Airport flights

  • How far is Reagan National Airport from the White House and National Mall?

    Reagan National Airport is roughly 3 miles from the two destinations. A typical taxi journey might deliver you to your destination in 5-10 minutes. It is also convenient to take the metro into the city center, although given how close the airport is, a taxi may be the better alternative.

  • What is there to do at Seattle-Tacoma International Airport?

    Sea-Tac Airport offers passengers more eye candy than duty-free shops with its artistic offerings. The airport has an inspiring collection of art pieces by international and local artists not to mention sculptures, paintings, and rotating exhibits that transform its terminals into museum hallways. Feast your eyes on Concourses B, A, D, C, N, and the Baggage Claim Area. The Airport’s Art Walk, half a mile long, is also a good alternative for those looking to stretch before jetting off.

  • Does SEA offer any services for travelers with pets?

    There are a variety of pet relief spots provided throughout Seattle Tacoma International Airport (SEA) for travelers who are flying with pets. Outside the main terminal, there are two relief stations, and three are placed inside the airport. North Satellite, South Satellite, and Concourse B all host inside pet relief spaces.

  • What are the transport options from DCA to the city center?

    The Metropolitan Center of Washington D.C. is close to DCA, making access fast and easy via the blue and yellow metro system lines. If you wish to get there faster, taxis are available although you may have to pay more.

  • What is the cheapest flight from Seattle to Washington, D.C. Reagan-National Airport?

    In the last 3 days, the lowest price for a flight from Seattle to Washington, D.C. Reagan-National Airport was C$ 152 for a one-way ticket and C$ 256 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Reagan Washington National Airport?

    Alaska Airlines, Hawaiian Airlines, Delta, JetBlue, and American Airlines offer inflight Wi-Fi service on the Seattle to Reagan Washington National Airport flight route.

  • Which aircraft models fly most regularly from Seattle to Reagan Washington National Airport?

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Seattle to Reagan Washington National Airport flight route.

  • Which airline alliances offer flights from Seattle to Reagan Washington National Airport?

    oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Reagan Washington National Airport, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Seattle to Reagan Washington National Airport?

    There are direct flights from Seattle to Reagan Washington National Airport on a daily basis.

  • How does KAYAK find such low prices on flights from Seattle to Reagan Washington National Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Reagan Washington National Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Reagan Washington National Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from Seattle is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Reagan Washington National Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Reagan Washington National Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Washington, D.C. Reagan-National Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 588 or less one-way and C$ 206 or less round-trip.
  • If you are looking to be environmentally friendly in your journey, book flights from Seattle to Reagan Washington National Airport (DCA) with layovers. Roughly 1,721 kg of carbon is released per individual on these flights. Eco-friendlier trips are handled by United Airlines and American Airlines which emit 21% and 20% less carbon respectively.
  • Reagan National Airport (DCA) ensures universal access to all public facilities and services at the airport if you require accessible services. The terminal has elevators, and the parking lot is also accessible. If you require wheelchair assistance during your journey or upon arrival, please notify your airline ahead of time to ensure that the required assistance is provided when you deplane at DCA.
  • If you have any inquiries related to Sea-Tac Airport (SEA) or need assistance finding your gate, keep an eye out for airport personnel sporting bright blue vests. These volunteers are positioned around each terminal and are eager to answer any questions you may have regarding the airport's services and flights.
  • For passengers taking their bikes to Sea-Tac Airport, there is a bike facility on the premises equipped with complimentary pumps and tools, making assembling and dismantling your bike an instant process before your voyage. Long-term and day storage services are available at the Artirum between baggage claim carousel 2 and door 4 or the baggage claim near Gates C and D.
  • Although Washington D.C is served by two airports, Dulles International Airport (IAD) and Ronald Reagan Washington National Airport, DCA is a better alternative. The airport is closer and a major gateway for domestic flights to D.C.

Prefer to fly direct from Seattle to Reagan Washington National Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Seattle/Tacoma Intl to Washington, D.C. Reagan-National.
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Washington, D.C. Reagan-National Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Washington, D.C. Reagan-National

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more nonstop flights

Direct returns

Washington, D.C. Reagan-National to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more nonstop flights

Everything you need to know for your flight from Seattle to Washington, D.C.

Information on your arrival and departure airports

Seattle (SEA)
Reagan-National (DCA)

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