Cheap flights from Washington to District of Columbia from $136

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:33 pm - 12:59 pm
GEG
-
DCA
21h 26m
1 stop
Frontier Logo
6:00 pm - 11:36 am
DCA
-
GEG
20h 36m
1 stop
$236Frontier
Fri, Jun 5 - Sun, Jun 14
Frontier Logo
7:41 pm - 9:59 pm
SEA
-
DCA
23h 18m
1 stop
Frontier Logo
6:00 pm - 2:18 pm
DCA
-
SEA
23h 18m
1 stop
$261Frontier
Thu, Jun 11 - Mon, Jun 15
Frontier Logo
8:12 pm - 8:20 am
SEA
-
IAD
9h 08m
1 stop
Frontier Logo
9:50 am - 10:39 am
IAD
-
SEA
27h 49m
1 stop
$261Frontier
Thu, Aug 13 - Sun, Aug 16
Alaska Airlines Logo
11:30 pm - 7:34 am
SEA
-
IAD
5h 04mnonstop
Alaska Airlines Logo
6:00 am - 8:46 am
IAD
-
SEA
5h 46mnonstop
$265Alaska Airlines
Thu, Jun 4 - Tue, Jun 9
United Airlines Logo
10:47 pm - 10:17 am
SEA
-
DCA
8h 30m
1 stop
United Airlines Logo
7:00 pm - 12:14 am
DCA
-
SEA
8h 14m
1 stop
$265United Airlines
Tue, Sep 22 - Sat, Sep 26
Delta Logo
10:48 pm - 11:37 am
GEG
-
IAD
9h 49m
1 stop
Delta Logo
3:02 pm - 9:33 pm
IAD
-
GEG
9h 31m
1 stop
$275Delta
Wed, Jul 8 - Tue, Jul 14
Delta Logo
10:48 pm - 11:27 am
GEG
-
DCA
9h 39m
1 stop
Delta Logo
6:00 am - 11:39 am
DCA
-
GEG
8h 39m
1 stop
$275Delta
Tue, Jul 7 - Tue, Jul 21
American Airlines Logo
6:30 am - 10:53 pm
GEG
-
IAD
13h 23m
2 stops
American Airlines Logo
11:59 am - 11:06 pm
IAD
-
GEG
14h 07m
2 stops
$291American Airlines
Tue, Jul 28 - Tue, Aug 4
Alaska Airlines Logo
6:00 am - 6:14 pm
GEG
-
IAD
9h 14m
1 stop
Alaska Airlines Logo
7:00 am - 12:39 pm
IAD
-
GEG
8h 39m
1 stop
$292Alaska Airlines
Tue, Sep 22 - Wed, Sep 23
American Airlines Logo
6:30 am - 10:53 pm
GEG
-
IAD
13h 23m
2 stops
American Airlines Logo
11:59 am - 11:06 pm
IAD
-
GEG
14h 07m
2 stops
$294American Airlines
Tue, Jul 28 - Tue, Aug 4

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Alaska Airlines flights from State of Washington to District of Columbia

Our best Alaska Airlines deals on State of Washington to District of Columbia flight tickets
Alaska Airlines
Jun 4
SEA11:30 pmSeattle/Tacoma Intl
5h 04m
IAD7:34 amWashington, D.C. Dulles Intl
Jun 9
IAD6:00 amWashington, D.C. Dulles Intl
5h 46m
SEA8:46 amSeattle/Tacoma Intl
$265
Alaska Airlines
Sep 24
SEA3:53 pmSeattle/Tacoma Intl
5h 06m
IAD11:59 pmWashington, D.C. Dulles Intl
Sep 28
IAD7:00 amWashington, D.C. Dulles Intl
5h 40m
SEA9:40 amSeattle/Tacoma Intl
$285
Alaska Airlines
Aug 13
SEA9:13 amSeattle/Tacoma Intl
4h 58m
IAD5:11 pmWashington, D.C. Dulles Intl
Aug 18
IAD6:03 amWashington, D.C. Dulles Intl
5h 45m
SEA8:48 amSeattle/Tacoma Intl
$290

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
Sep 22
SEA10:47 pmSeattle/Tacoma Intl
8h 30m
1 stop
DCA10:17 amWashington, D.C. Reagan-National
Sep 26
DCA7:00 pmWashington, D.C. Reagan-National
8h 14m
1 stop
SEA12:14 amSeattle/Tacoma Intl
$265
United Airlines
Aug 5
SEA11:20 pmSeattle/Tacoma Intl
5h 02m
IAD7:22 amWashington, D.C. Dulles Intl
Aug 21
IAD5:41 pmWashington, D.C. Dulles Intl
8h 30m
1 stop
SEA11:11 pmSeattle/Tacoma Intl
$279
United Airlines
Sep 24
SEA8:10 amSeattle/Tacoma Intl
5h 05m
IAD4:15 pmWashington, D.C. Dulles Intl
Sep 27
IAD12:55 pmWashington, D.C. Dulles Intl
5h 45m
SEA3:40 pmSeattle/Tacoma Intl
$287

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 May 5, 2026.
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

Cheapest round-trip

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Fri 6/5

12:33 pm-12:59 pm

1 stop21h 26m

Washington, D.C. Reagan-National

Sun 6/14

6:00 pm-11:36 am

1 stop20h 36m

$236

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 6/11

7:41 pm-9:59 pm

1 stop23h 18m

Washington, D.C. Reagan-National

Mon 6/15

6:00 pm-2:18 pm

1 stop23h 18m

$261

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 8/13

8:12 pm-8:20 am

1 stop9h 08m

Washington, D.C. Dulles Intl

Sun 8/16

9:50 am-10:39 am

1 stop27h 49m

$261
Quickest round-trip

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 6/4

11:30 pm-7:34 am

Nonstop5h 04m

Washington, D.C. Dulles Intl

Tue 6/9

6:00 am-8:46 am

Nonstop5h 46m

$265

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Tue 9/22

10:47 pm-10:17 am

1 stop8h 30m

Washington, D.C. Reagan-National

Sat 9/26

7:00 pm-12:14 am

1 stop8h 14m

$265

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 7/8

10:48 pm-11:37 am

1 stop9h 49m

Washington, D.C. Dulles Intl

Tue 7/14

3:02 pm-9:33 pm

1 stop9h 31m

$275

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Tue 7/7

10:48 pm-11:27 am

1 stop9h 39m

Washington, D.C. Reagan-National

Tue 7/21

6:00 am-11:39 am

1 stop8h 39m

$275

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 7/28

6:30 am-10:53 pm

2 stops13h 23m

Washington, D.C. Dulles Intl

Tue 8/4

11:59 am-11:06 pm

2 stops14h 07m

$291

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 9/22

6:00 am-6:14 pm

1 stop9h 14m

Washington, D.C. Dulles Intl

Wed 9/23

7:00 am-12:39 pm

1 stop8h 39m

$292

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 7/28

6:30 am-10:53 pm

2 stops13h 23m

Washington, D.C. Dulles Intl

Tue 8/4

11:59 am-11:06 pm

2 stops14h 07m

$294

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, January 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 $91. If you don’t want to visit District of Columbia in January, then you should wait until July to fly from State of Washington, when ticket prices are also cheap, with an average price of $103.

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 Wednesday when prices can be found for as low as $417. 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 $585.

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 $345 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 $493. 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 Baltimore/Washington for the best Washington - District of Columbia flight prices

How far in advance should I book a flight from Washington 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 $426 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 $327 on momondo.

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

You could potentially save up to 28% 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

$218

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 $218. The best round-trip flight deal from State of Washington to District of Columbia found on momondo in the last 72 hours is $390.
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 in District of Columbia. From State of Washington there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Frequently asked questions about flying from Washington to District of Columbia

  • 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
DeltaPriceFrom $108Free CancellationRating
7.9
8,460 reviews
Search Delta flights
FrontierPriceFrom $126Free CancellationRating
5.6
2,965 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $178Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
SouthwestPriceFrom $187Free CancellationRating
7.9
4,305 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $199Free CancellationRating
7.9
12,332 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,683 reviews
Search United 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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1 adult
Thu 6/4
Thu 6/11

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