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Cheap flights from Seattle to Washington, D.C. Reagan-National Airport from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Washington, D.C. Reagan-National Airport departing on 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap Seattle to Washington, D.C. Reagan-National Airport (SEA to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Washington, D.C. Reagan-National Airport

Best Price Found

$56

Fastest flight time

5h 07m

Direct flights

Tue, Thu, Sat and Sun
The best one-way flight to Washington, D.C. Reagan-National Airport from Seattle in the past 72 hours is $56. The best round-trip flight deal from Seattle to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $130.
The fastest flight from Seattle to Washington, D.C. Reagan-National Airport takes 5h 07m
Direct flights go from Seattle to Washington, D.C. Reagan-National Airport on Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.

How to get the cheapest flight ticket from Seattle to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to Washington, D.C. Reagan-National Airport from Seattle is February. Most expensive is June

What is the cheapest day to depart Seattle for Washington, D.C. Reagan-National Airport?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday

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

In the afternoon. Seattle to Washington, D.C. Reagan-National Airport flights are approximately 46% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to Washington, D.C. Reagan-National Airport from Seattle?

Frontier. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Seattle to Washington, D.C. Reagan-National Airport

How far in advance should you book Seattle to Washington, D.C. Reagan-National Airport flights?

35 days before. The cheapest time to buy a flight from Seattle to Washington, D.C. Reagan-National Airport is approximately 35 days to departure

How many flights depart from Seattle to Washington, D.C. Reagan-National Airport on average per day?

The number of flights available between Seattle and Washington, D.C. Reagan-National Airport is 6 per day as of March 2024. The most frequent departure time is 1:00PM, with 66% of daily flights leaving in the afternoon.

How many flights depart from Seattle to Washington, D.C. Reagan-National Airport on average per week?

As of March 2024, there are 42 flights per week flying from Seattle to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Sunday, with 14% of flights taking off on this day.

What cabin class options are available on Seattle to Washington, D.C. Reagan-National Airport flights?

There are 3 cabin classes available to choose from on Seattle to Washington, D.C. Reagan-National Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 72% on your flight if you consider stops on a Seattle to Washington, D.C. Reagan-National Airport flight.

If you are looking to fly from Seattle to Washington, D.C., you are most likely going to fly from Seattle/Tacoma Intl Airport to Washington, D.C. Reagan-National Airport, the most popular airports on that route. The least expensive flight option from Seattle to Washington, D.C. will typically be SEA — DCA during the month of March with an average price of $162 RT.

Seattle/Tacoma Intl Airport (SEA) to Washington, D.C. Reagan-National Airport (DCA)$162
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Easily compare round-trip flights from Seattle to Washington, D.C. Reagan-National Airport

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Washington, D.C. Reagan-National Airport by changing tabs
Frontier
Apr 19
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
Apr 23
DCA12:50 pmWashington, D.C. Reagan-National
10h 45m
1 stop
SEA8:35 pmSeattle/Tacoma Intl
Frontier
Apr 19
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
Apr 22
DCA6:51 pmWashington, D.C. Reagan-National
28h 44m
1 stop
SEA8:35 pmSeattle/Tacoma Intl
American Airlines
Apr 19
SEA12:59 amSeattle/Tacoma Intl
8h 16m
1 stop
DCA12:15 pmWashington, D.C. Reagan-National
Apr 23
DCA12:30 pmWashington, D.C. Reagan-National
9h 34m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
JetBlue
Apr 23
SEA9:45 pmSeattle/Tacoma Intl
10h 54m
1 stop
DCA11:39 amWashington, D.C. Reagan-National
Apr 24
DCA2:35 pmWashington, D.C. Reagan-National
9h 00m
1 stop
SEA8:35 pmSeattle/Tacoma Intl
Multiple Airlines
Apr 26
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
Apr 30
DCA5:50 pmWashington, D.C. Reagan-National
5h 52m
SEA8:42 pmSeattle/Tacoma Intl
Frontier
Apr 26
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
May 1
DCA7:00 amWashington, D.C. Reagan-National
12h 58m
1 stop
SEA4:58 pmSeattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Washington, D.C. Reagan-National Airport

If you're looking for one-way flights from Seattle to Washington, D.C. Reagan-National Airport, view some of our deals below provided by Alaska Airlines, Frontier and JetBlue
Frontier
May 21
SEA8:14 pmSeattle/Tacoma Intl
22h 45m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
JetBlue
Jun 5
SEA8:40 pmSeattle/Tacoma Intl
11h 01m
1 stop
DCA10:41 amWashington, D.C. Reagan-National
Frontier
Apr 26
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National

Search last-minute flights to Washington, D.C. Reagan-National Airport from Seattle

Find and compare round-trip flight prices for your last-minute flight from Seattle to Washington, D.C. Reagan-National Airport
Frontier
Apr 7
SEA9:25 pmSeattle/Tacoma Intl
21h 34m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 18
DCA7:00 amWashington, D.C. Reagan-National
17h 19m
1 stop
SEA9:19 pmSeattle/Tacoma Intl
Multiple Airlines
Apr 3
SEA9:54 pmSeattle/Tacoma Intl
21h 05m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 6
DCA6:50 pmWashington, D.C. Reagan-National
30h 51m
2 stops
SEA10:41 pmSeattle/Tacoma Intl
American Airlines
Apr 2
SEA11:40 pmSeattle/Tacoma Intl
9h 19m
1 stop
DCA11:59 amWashington, D.C. Reagan-National
Apr 5
DCA5:00 amWashington, D.C. Reagan-National
10h 38m
1 stop
SEA12:38 pmSeattle/Tacoma Intl
Frontier
Apr 3
SEA9:54 pmSeattle/Tacoma Intl
17h 06m
1 stop
DCA6:00 pmWashington, D.C. Reagan-National
Apr 8
DCA6:50 pmWashington, D.C. Reagan-National
29h 22m
1 stop
SEA9:12 pmSeattle/Tacoma Intl
Frontier
Apr 7
SEA9:25 pmSeattle/Tacoma Intl
21h 34m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 14
DCA7:00 amWashington, D.C. Reagan-National
27h 20m
1 stop
SEA7:20 amSeattle/Tacoma Intl
United Airlines
Apr 3
SEA10:49 amSeattle/Tacoma Intl
8h 51m
1 stop
DCA10:40 pmWashington, D.C. Reagan-National
Apr 4
DCA6:00 amWashington, D.C. Reagan-National
12h 23m
2 stops
SEA3:23 pmSeattle/Tacoma Intl

Best airlines flying from Seattle to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Seattle to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $138Free CancellationRating
6.3
4,263 reviews
Search Frontier flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
11,481 reviews
Search United Airlines flights
JetBluePriceFrom $230Free CancellationRating
7.7
4,840 reviews
Search JetBlue flights
American AirlinesPriceFrom $258Free CancellationRating
7.3
15,181 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $278Free CancellationRating
8.1
9,127 reviews
Search Alaska Airlines flights
DeltaPriceFrom $285Free CancellationRating
8.0
11,402 reviews
Search Delta flights
  • Alaska Airlines Flights From Seattle to Washington, D.C. Reagan-National Airport

    The lowest priced Alaska Airlines flight from Seattle to Washington, D.C. Reagan-National Airport from the last 72 hours was $278. Generally, Alaska Airlines has 14 flights on this route every week with an average price of $598. Alaska Airlines is rated 8.1/10 by our users.


Frontier flights from Seattle to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Seattle to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Apr 19
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
Apr 23
DCA12:50 pmWashington, D.C. Reagan-National
10h 45m
1 stop
SEA8:35 pmSeattle/Tacoma Intl
Frontier
Apr 19
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
Apr 22
DCA6:51 pmWashington, D.C. Reagan-National
28h 44m
1 stop
SEA8:35 pmSeattle/Tacoma Intl
Frontier
Apr 26
SEA10:34 pmSeattle/Tacoma Intl
10h 26m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
May 1
DCA7:00 amWashington, D.C. Reagan-National
12h 58m
1 stop
SEA4:58 pmSeattle/Tacoma Intl

Alaska Airlines flights from Seattle to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Seattle to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
Apr 4
SEA6:00 amSeattle/Tacoma Intl
11h 57m
1 stop
DCA8:57 pmWashington, D.C. Reagan-National
Apr 11
DCA8:00 amWashington, D.C. Reagan-National
5h 56m
SEA10:56 amSeattle/Tacoma Intl
Alaska Airlines
Apr 4
SEA7:45 amSeattle/Tacoma Intl
10h 12m
2 stops
DCA8:57 pmWashington, D.C. Reagan-National
Apr 11
DCA9:15 amWashington, D.C. Reagan-National
15h 28m
2 stops
SEA9:43 pmSeattle/Tacoma Intl
Alaska Airlines
Apr 4
SEA2:01 pmSeattle/Tacoma Intl
4h 58m
DCA9:59 pmWashington, D.C. Reagan-National
Apr 11
DCA8:00 amWashington, D.C. Reagan-National
5h 56m
SEA10:56 amSeattle/Tacoma Intl

  • How far is Seattle/Tacoma Intl to Washington, D.C. Reagan-National by plane?

    A flight from Seattle/Tacoma Intl to Washington, D.C. Reagan-National will travel around 2322.2 mi. A reasonable flight in good conditions will take 5h 07m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Washington, D.C. Reagan-National Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Washington, D.C. Reagan-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Alternative routes for Seattle to Washington, D.C. Reagan-National Airport

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Seattle to Washington, D.C. Dulles Intl Airport Flights
Fastest flight time4h 49m
Cheapest price$248
Seattle to Baltimore Flights
Fastest flight time4h 58m
Cheapest price$202
Spokane to Washington, D.C. Dulles Intl Airport Flights
Fastest flight time7h 09m
Cheapest price$318
Spokane to Baltimore Flights
Fastest flight time5h 54m
Cheapest price$319
Spokane to Washington, D.C. Reagan-National Airport Flights
Fastest flight time6h 14m
Cheapest price$323
Pasco to Washington, D.C. Dulles Intl Airport Flights
Fastest flight time8h 12m
Cheapest price$388
Pasco to Baltimore Flights
Fastest flight time8h 58m
Cheapest price$371
Pullman to Washington, D.C. Dulles Intl Airport Flights
Fastest flight time9h 14m
Cheapest price$465
Pasco to Washington, D.C. Reagan-National Airport Flights
Fastest flight time12h 03m
Cheapest price$498
Pullman to Baltimore Flights
Fastest flight time9h 59m
Cheapest price$580
Bellingham to Washington, D.C. Dulles Intl Airport Flights
Fastest flight time9h 54m
Cheapest price$486
Walla Walla to Baltimore Flights
Fastest flight time21h 50m
Cheapest price$472

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Washington, D.C.?

It is quick and easy to find Seattle to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Seattle to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Washington, D.C.?

momondo helps you find the best flight between Seattle and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Seattle and alert you when they change.


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