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Cheap flights from Washington to District of Columbia from $74

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 2/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
1:55 pm - 9:59 pm
SEA
-
DCA
5h 04mnonstop
Alaska Airlines Logo
8:00 am - 11:09 am
DCA
-
SEA
6h 09mnonstop
$224Alaska Airlines
Wed, Jan 7 - Sat, Jan 17
United Airlines Logo
8:10 am - 4:16 pm
SEA
-
IAD
5h 06mnonstop
United Airlines Logo
5:17 pm - 10:43 pm
IAD
-
SEA
8h 26m1 stop
$224United Airlines
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
12:26 pm - 1:01 pm
SEA
-
DCA
21h 35m1 stop
Frontier Logo
8:01 am - 7:47 pm
DCA
-
SEA
14h 46m2 stops
$225Frontier
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
8:40 am - 7:21 pm
SEA
-
IAD
7h 41m1 stop
United Airlines Logo
5:55 pm - 8:57 pm
IAD
-
SEA
6h 02mnonstop
$228United Airlines
Wed, Jan 7 - Sat, Jan 10
Alaska Airlines Logo
6:00 am - 5:56 pm
SEA
-
DCA
8h 56m1 stop
Alaska Airlines Logo
8:00 am - 10:55 am
DCA
-
SEA
5h 55mnonstop
$229Alaska Airlines
Sat, Jan 31 - Tue, Feb 3
Frontier Logo
1:09 pm - 1:05 pm
SEA
-
DCA
20h 56m1 stop
Frontier Logo
2:00 pm - 9:34 am
DCA
-
SEA
22h 34m2 stops
$237Frontier
Fri, Feb 13 - Wed, Feb 18
Delta Logo
3:20 pm - 11:10 pm
SEA
-
IAD
4h 50mnonstop
Delta Logo
7:30 am - 10:29 am
IAD
-
SEA
5h 59mnonstop
$239Delta
Sun, Feb 15 - Mon, Feb 16
Delta Logo
7:20 am - 3:20 pm
SEA
-
DCA
5h 00mnonstop
Delta Logo
4:44 pm - 7:43 pm
DCA
-
SEA
5h 59mnonstop
$248Delta
Fri, Feb 13 - Sat, Feb 14
Hawaiian Airlines Logo
1:03 pm - 4:26 pm
BLI
-
IAD
24h 23m1 stop
Hawaiian Airlines Logo
6:04 pm - 12:06 am
IAD
-
BLI
9h 02m1 stop
$309Hawaiian Airlines
Mon, Jan 26 - Mon, Feb 2
Hawaiian Airlines Logo
8:02 am - 4:01 pm
PDX
-
DCA
4h 59mnonstop
Hawaiian Airlines Logo
5:09 pm - 8:11 pm
DCA
-
PDX
6h 02mnonstop
$312Hawaiian Airlines
Fri, Jan 23 - Fri, Jan 30

Hawaiian Airlines flights from State of Washington to District of Columbia

Our best Hawaiian Airlines deals on State of Washington to District of Columbia flight tickets
Hawaiian Airlines
Jan 26
BLI1:03 pmBellingham
24h 23m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 2
IAD6:04 pmWashington, D.C. Dulles Intl
9h 02m
1 stop
BLI12:06 amBellingham
$309
Find similar
Hawaiian Airlines
Jan 23
PDX8:02 amPortland
4h 59m
DCA4:01 pmWashington, D.C. Reagan-National
Jan 30
DCA5:09 pmWashington, D.C. Reagan-National
6h 02m
PDX8:11 pmPortland
$312
Find similar

Southwest flights from State of Washington to District of Columbia

Our best Southwest deals on State of Washington to District of Columbia flight tickets
Southwest
Jan 26
SEA6:45 amSeattle/Tacoma Intl
8h 35m
1 stop
DCA6:20 pmWashington, D.C. Reagan-National
Jan 27
DCA1:00 pmWashington, D.C. Reagan-National
12h 30m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$273
Find similar
Southwest
Jan 24
SEA12:40 pmSeattle/Tacoma Intl
6h 30m
1 stop
IAD10:10 pmWashington, D.C. Dulles Intl
Jan 27
IAD9:05 amWashington, D.C. Dulles Intl
17h 00m
2 stops
SEA11:05 pmSeattle/Tacoma Intl
$279
Find similar
Southwest
Jan 22
SEA5:15 amSeattle/Tacoma Intl
8h 35m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
Jan 24
IAD7:00 amWashington, D.C. Dulles Intl
16h 20m
2 stops
SEA8:20 pmSeattle/Tacoma Intl
$309
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 December 11, 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 - DCA

SEADCA

Seattle/Tacoma Intl

Wed 1/7

1:55 pm-9:59 pm

Nonstop5h 04m

Washington, D.C. Reagan-National

Sat 1/17

8:00 am-11:09 am

Nonstop6h 09m

$224

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 1/16

8:10 am-4:16 pm

Nonstop5h 06m

Washington, D.C. Dulles Intl

Mon 1/19

5:17 pm-10:43 pm

1 stop8h 26m

$224

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 1/8

12:26 pm-1:01 pm

1 stop21h 35m

Washington, D.C. Reagan-National

Mon 1/12

8:01 am-7:47 pm

2 stops14h 46m

$225

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 1/7

8:40 am-7:21 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

Sat 1/10

5:55 pm-8:57 pm

Nonstop6h 02m

$228

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sat 1/31

6:00 am-5:56 pm

1 stop8h 56m

Washington, D.C. Reagan-National

Tue 2/3

8:00 am-10:55 am

Nonstop5h 55m

$229

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Fri 2/13

1:09 pm-1:05 pm

1 stop20h 56m

Washington, D.C. Reagan-National

Wed 2/18

2:00 pm-9:34 am

2 stops22h 34m

$237

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sun 2/15

3:20 pm-11:10 pm

Nonstop4h 50m

Washington, D.C. Dulles Intl

Mon 2/16

7:30 am-10:29 am

Nonstop5h 59m

$239

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Fri 2/13

7:20 am-3:20 pm

Nonstop5h 00m

Washington, D.C. Reagan-National

Sat 2/14

4:44 pm-7:43 pm

Nonstop5h 59m

$248

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Mon 1/26

1:03 pm-4:26 pm

1 stop24h 23m

Washington, D.C. Dulles Intl

Mon 2/2

6:04 pm-12:06 am

1 stop9h 02m

$309

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Fri 1/23

8:02 am-4:01 pm

Nonstop4h 59m

Washington, D.C. Reagan-National

Fri 1/30

5:09 pm-8:11 pm

Nonstop6h 02m

$312

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 $348.

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 $426. 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 $581.

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 $339 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 Washington, D.C. Reagan-National 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 $403 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 43% 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

$221

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 $221. The best round-trip flight deal from State of Washington to District of Columbia found on momondo in the last 72 hours is $283.
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).
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
Spirit AirlinesPriceFrom $128Free CancellationRating
6.3
8,174 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $143Free CancellationRating
7.8
2,818 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $148Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,009 reviews
Search Delta flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $234Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $264Free CancellationRating
8.0
11,431 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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