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Cheap flights from Seattle to District of Columbia from $64

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 District of Columbia departing on 4/29. 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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0 bags

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Find the cheapest flights from Seattle to District of Columbia

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to District of Columbia that have been recently found on momondo from popular airlines, departing in the coming months.
6:00 am - 9:59 pmSEA-DCA
12h 59m1 stop
6:00 pm - 12:44 amDCA-SEA
9h 44m1 stop
$130Frontier
Find Deal
Wed, Apr 23 - Tue, Apr 29
6:00 am - 4:59 pmSEA-DCA
7h 59m1 stop
7:00 am - 12:44 amDCA-SEA
20h 44m1 stop
$131Frontier
Find Deal
Tue, Apr 29 - Wed, Apr 30
9:40 pm - 5:34 amSEA-IAD
4h 54mnonstop
7:00 am - 9:52 amIAD-SEA
5h 52mnonstop
$177Alaska Airlines
Find Deal
Tue, Mar 25 - Tue, Apr 1
7:23 am - 3:30 pmSEA-DCA
5h 07mnonstop
4:40 pm - 7:41 pmDCA-SEA
6h 01mnonstop
$177Delta
Find Deal
Wed, Mar 19 - Mon, Mar 24
7:23 am - 3:30 pmSEA-DCA
5h 07mnonstop
4:25 pm - 10:25 pmDCA-SEA
9h 00m1 stop
$187Delta
Find Deal
Wed, Mar 19 - Wed, Mar 26
9:40 pm - 5:34 amSEA-IAD
4h 54mnonstop
6:42 am - 9:25 amIAD-SEA
5h 43mnonstop
$197Alaska Airlines
Find Deal
Wed, Apr 16 - Tue, Apr 22
11:59 pm - 10:55 amSEA-IAD
7h 56m1 stop
5:20 pm - 12:48 amIAD-SEA
10h 28m1 stop
$217American Airlines
Find Deal
Tue, Mar 25 - Tue, Apr 1
8:15 am - 4:22 pmSEA-IAD
5h 07mnonstop
5:30 pm - 8:21 pmIAD-SEA
5h 51mnonstop
$233United Airlines
Find Deal
Wed, Apr 9 - Sat, Apr 26
11:59 pm - 11:00 amSEA-DCA
8h 01m1 stop
11:40 am - 7:15 pmDCA-SEA
10h 35m1 stop
$252American Airlines
Find Deal
Mon, Mar 17 - Fri, Mar 21
8:15 am - 4:22 pmSEA-IAD
5h 07mnonstop
3:30 pm - 10:43 pmIAD-SEA
10h 13m1 stop
$253United Airlines
Find Deal
Thu, Apr 10 - Fri, Apr 18

Alaska Airlines flights from Seattle to District of Columbia

Our best Alaska Airlines deals on Seattle to District of Columbia flight tickets
Alaska Airlines
Mar 25
SEA9:40 pmSeattle/Tacoma Intl
4h 54m
IAD5:34 amWashington, D.C. Dulles Intl
Apr 1
IAD7:00 amWashington, D.C. Dulles Intl
5h 52m
SEA9:52 amSeattle/Tacoma Intl
Alaska Airlines
Apr 16
SEA9:40 pmSeattle/Tacoma Intl
4h 54m
IAD5:34 amWashington, D.C. Dulles Intl
Apr 22
IAD6:42 amWashington, D.C. Dulles Intl
5h 43m
SEA9:25 amSeattle/Tacoma Intl
Alaska Airlines
Mar 31
SEA9:40 pmSeattle/Tacoma Intl
4h 54m
IAD5:34 amWashington, D.C. Dulles Intl
Apr 2
IAD7:31 amWashington, D.C. Dulles Intl
12h 23m
1 stop
SEA4:54 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to District of Columbia

Our best American Airlines deals on Seattle to District of Columbia flight tickets
American Airlines
Mar 25
SEA11:59 pmSeattle/Tacoma Intl
7h 56m
1 stop
IAD10:55 amWashington, D.C. Dulles Intl
Apr 1
IAD5:20 pmWashington, D.C. Dulles Intl
10h 28m
1 stop
SEA12:48 amSeattle/Tacoma Intl
American Airlines
Mar 17
SEA11:59 pmSeattle/Tacoma Intl
8h 01m
1 stop
DCA11:00 amWashington, D.C. Reagan-National
Mar 21
DCA11:40 amWashington, D.C. Reagan-National
10h 35m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
American Airlines
Apr 30
SEA1:35 pmSeattle/Tacoma Intl
7h 21m
1 stop
IAD11:56 pmWashington, D.C. Dulles Intl
May 6
IAD5:00 amWashington, D.C. Dulles Intl
10h 28m
1 stop
SEA12:28 pmSeattle/Tacoma Intl

See travel insights to District of Columbia from

How to get the cheapest flight ticket from Seattle to District of Columbia

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 to District of Columbia?

In general, September is the cheapest month to fly from Seattle to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $317. If you don’t want to visit District of Columbia in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $362.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $474. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $587.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $397 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $572. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Seattle/Tacoma Intl to District of Columbia flight route?

Fly from Seattle/Tacoma Intl to Washington, D.C. Dulles Intl for the best Seattle/Tacoma Intl - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Seattle when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $411 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Seattle for as low as $329 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to District of Columbia flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seattle to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to District of Columbia

Best Price Found

$64

Fastest flight time

4h 51m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Seattle in the past 72 hours is $64. The best round-trip flight deal from Seattle to District of Columbia found on momondo in the last 72 hours is $130.
The fastest flight from Seattle to District of Columbia takes 4h 51m
Direct flights go from Seattle to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to District of Columbia?

    Prices for flights from Seattle/Tacoma Intl Airport to District of Columbia refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to District of Columbia?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The necessary travel and health documents for your District of Columbia 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.

  • What is the most popular plane model from Seattle to District of Columbia?


Best airlines flying from Seattle to District of Columbia

Compare and see reviews for airlines that fly from Seattle to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $86Free CancellationRating
6.0
3,352 reviews
Search Frontier flights
DeltaPriceFrom $157Free CancellationRating
8.0
8,203 reviews
Search Delta flights
Sun Country AirPriceFrom $169Free CancellationRating
7.0
373 reviews
Search Sun Country Air flights
Spirit AirlinesPriceFrom $178Free CancellationRating
6.3
8,012 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
8,754 reviews
Search United Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.1
4,395 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to District of Columbia?

Finding the right flight to District of Columbia from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to District of Columbia quick and easy, saving you time and money.

Can I find flights from Seattle to District of Columbia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to District of Columbia flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to District of Columbia?

Once you have performed a search for Seattle to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to District of Columbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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