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Cheap flights from Washington to District of Columbia from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to District of Columbia departing on 12/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 5:35 pmSEA-IAD
7h 35m1 stop
United Airlines Logo
5:17 pm - 10:43 pmIAD-SEA
8h 26m1 stop
$233United Airlines
Find Deal
vie., ene. 16 - lun., ene. 19
Frontier Logo
2:25 pm - 9:59 pmSEA-DCA
28h 34m2 stops
Frontier Logo
6:00 pm - 11:53 amDCA-SEA
20h 53m1 stop
$235Frontier
Find Deal
sáb., dic. 6 - vie., dic. 12
Alaska Airlines Logo
10:11 pm - 6:06 amSEA-IAD
4h 55mnonstop
Alaska Airlines Logo
6:30 pm - 9:30 pmIAD-SEA
6h 00mnonstop
$237Alaska Airlines
Find Deal
vie., dic. 12 - lun., dic. 15
Frontier Logo
1:09 pm - 1:06 pmSEA-DCA
20h 57m1 stop
Frontier Logo
8:00 am - 8:46 amDCA-SEA
27h 46m2 stops
$237Frontier
Find Deal
jue., dic. 4 - dom., dic. 14
Alaska Airlines Logo
8:00 am - 4:09 pmSEA-DCA
5h 09mnonstop
Alaska Airlines Logo
5:01 pm - 8:07 pmDCA-SEA
6h 06mnonstop
$238Alaska Airlines
Find Deal
mié., ene. 14 - mié., ene. 21
Delta Logo
7:25 am - 3:27 pmSEA-DCA
5h 02mnonstop
Delta Logo
4:55 pm - 7:48 pmDCA-SEA
5h 53mnonstop
$239Delta
Find Deal
dom., dic. 7 - mié., dic. 10
Delta Logo
3:30 pm - 11:27 pmSEA-IAD
4h 57mnonstop
Delta Logo
7:15 am - 10:12 amIAD-SEA
5h 57mnonstop
$239Delta
Find Deal
lun., dic. 8 - jue., dic. 11
Hawaiian Airlines Logo
10:00 am - 9:59 pmGEG-DCA
8h 59m1 stop
Hawaiian Airlines Logo
5:06 pm - 10:51 pmDCA-GEG
8h 45m1 stop
$298Hawaiian Airlines
Find Deal
mar., mar. 3 - mié., mar. 4
American Airlines Logo
5:59 pm - 8:44 amPDX-IAD
11h 45m2 stops
American Airlines Logo
5:08 pm - 11:23 pmIAD-PDX
9h 15m1 stop
$322American Airlines
Find Deal
mié., dic. 10 - lun., dic. 15
American Airlines Logo
5:20 am - 7:36 pmBLI-IAD
11h 16m2 stops
American Airlines Logo
2:12 pm - 12:01 amIAD-BLI
12h 49m2 stops
$559American Airlines
Find Deal
mié., abr. 15 - jue., abr. 23

Delta flights from State of Washington to District of Columbia

Our best Delta deals on State of Washington to District of Columbia flight tickets
Delta
Dec 8
SEA3:30 pmSeattle/Tacoma Intl
4h 57m
IAD11:27 pmWashington, D.C. Dulles Intl
Dec 11
IAD7:15 amWashington, D.C. Dulles Intl
5h 57m
SEA10:12 amSeattle/Tacoma Intl
$239
Find similar
Delta
Dec 7
SEA7:25 amSeattle/Tacoma Intl
5h 02m
DCA3:27 pmWashington, D.C. Reagan-National
Dec 11
DCA6:07 amWashington, D.C. Reagan-National
11h 11m
1 stop
SEA2:18 pmSeattle/Tacoma Intl
$249
Find similar
Delta
Dec 8
SEA11:59 pmSeattle/Tacoma Intl
8h 10m
1 stop
DCA11:09 amWashington, D.C. Reagan-National
Dec 9
DCA5:31 pmWashington, D.C. Reagan-National
7h 54m
1 stop
SEA10:25 pmSeattle/Tacoma Intl
$259
Find similar

United Airlines flights from State of Washington to District of Columbia

Our best United Airlines deals on State of Washington to District of Columbia flight tickets
United Airlines
Jan 16
SEA7:00 amSeattle/Tacoma Intl
7h 35m
1 stop
IAD5:35 pmWashington, D.C. Dulles Intl
Jan 19
IAD5:17 pmWashington, D.C. Dulles Intl
8h 26m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
$233
Find similar
United Airlines
Jan 11
SEA8:10 amSeattle/Tacoma Intl
5h 06m
IAD4:16 pmWashington, D.C. Dulles Intl
Jan 12
IAD5:17 pmWashington, D.C. Dulles Intl
8h 26m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
$245
Find similar
United Airlines
Dec 8
SEA8:10 amSeattle/Tacoma Intl
5h 08m
IAD4:18 pmWashington, D.C. Dulles Intl
Dec 11
IAD4:10 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
SEA12:50 amSeattle/Tacoma Intl
$249
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 17, 2025.
Use the filters below to find and compare flights from Washington to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

vie. 1/16

7:00 am-5:35 pm

1 stop7h 35m

Washington, D.C. Dulles Intl

lun. 1/19

5:17 pm-10:43 pm

1 stop8h 26m

$233

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

sáb. 12/6

2:25 pm-9:59 pm

2 stops28h 34m

Washington, D.C. Reagan-National

vie. 12/12

6:00 pm-11:53 am

1 stop20h 53m

$235

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

vie. 12/12

10:11 pm-6:06 am

Nonstop4h 55m

Washington, D.C. Dulles Intl

lun. 12/15

6:30 pm-9:30 pm

Nonstop6h 00m

$237

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

jue. 12/4

1:09 pm-1:06 pm

1 stop20h 57m

Washington, D.C. Reagan-National

dom. 12/14

8:00 am-8:46 am

2 stops27h 46m

$237

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

mié. 1/14

8:00 am-4:09 pm

Nonstop5h 09m

Washington, D.C. Reagan-National

mié. 1/21

5:01 pm-8:07 pm

Nonstop6h 06m

$238

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

dom. 12/7

7:25 am-3:27 pm

Nonstop5h 02m

Washington, D.C. Reagan-National

mié. 12/10

4:55 pm-7:48 pm

Nonstop5h 53m

$239

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

lun. 12/8

3:30 pm-11:27 pm

Nonstop4h 57m

Washington, D.C. Dulles Intl

jue. 12/11

7:15 am-10:12 am

Nonstop5h 57m

$239

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

mar. 3/3

10:00 am-9:59 pm

1 stop8h 59m

Washington, D.C. Reagan-National

mié. 3/4

5:06 pm-10:51 pm

1 stop8h 45m

$298

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

mié. 12/10

5:59 pm-8:44 am

2 stops11h 45m

Washington, D.C. Dulles Intl

lun. 12/15

5:08 pm-11:23 pm

1 stop9h 15m

$322

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

mié. 4/15

5:20 am-7:36 pm

2 stops11h 16m

Washington, D.C. Dulles Intl

jue. 4/23

2:12 pm-12:01 am

2 stops12h 49m

$559

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from State of Washington 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, August is the cheapest month to fly from State of Washington to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $347. If you don’t want to visit District of Columbia in August, then you should wait until July to fly from State of Washington, when ticket prices are also cheap, with an average price of $352.

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 $440. 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 State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $592.

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

Flying to District of Columbia from State of Washington in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $356 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $506. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington to District of Columbia flight route?

Fly from Seattle/Tacoma Intl to Washington, D.C. Dulles Intl for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from State of Washington for as low as $289 on momondo.

What cabin class options are available on Washington to District of Columbia flights?

There are 4 cabin classes available to choose from on Washington 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.

Can stopping save me money on State of Washington to District of Columbia flights?

You could potentially save up to 14% on your flight if you consider stops on a State of Washington to District of Columbia flight.

Cheap State of Washington to District of Columbia flight deals and tips

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

Best Price Found

$193

Fastest flight time

4h 48m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from State of Washington in the past 72 hours is $193. The best round-trip flight deal from State of Washington to District of Columbia found on momondo in the last 72 hours is $304.
The fastest flight from State of Washington to District of Columbia takes 4h 48m
Direct flights go from State of Washington 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)
Search flight deals

  • When did momondo last update prices for flights from Washington to District of Columbia?

    Prices for flights from Washington to District of Columbia refresh daily.

  • How many operators does momondo search for flights from Washington to District of Columbia?

  • How old do you have to be to fly from Washington to District of Columbia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to District of Columbia.

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

    The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from State of Washington to District of Columbia

Compare and see reviews for airlines that fly from State of Washington to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.8
3,106 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,144 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $143Free CancellationRating
7.8
2,809 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $192Free CancellationRating
7.9
8,006 reviews
Search Delta flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights
SouthwestPriceFrom $266Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $276Free CancellationRating
8.0
11,309 reviews
Search Alaska Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to District of Columbia from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington 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 Washington to District of Columbia right now. Can momondo alert me if prices change?

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

An easier way to manage your District of Columbia trip

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