Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to District of Columbia from $109

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 2/19. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
12:24 pm - 4:59 pm
SEA
-
DCA
25h 35m
1 stop
Frontier Logo
6:00 pm - 5:09 pm
DCA
-
SEA
26h 09m
2 stops
$202Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
1:16 pm - 1:02 pm
SEA
-
DCA
20h 46m
1 stop
Frontier Logo
6:00 pm - 8:20 pm
DCA
-
SEA
29h 20m
2 stops
$208Frontier
Thu, Mar 5 - Wed, Mar 11
Hawaiian Airlines Logo
9:45 pm - 5:40 am
SEA
-
IAD
4h 55mnonstop
Hawaiian Airlines Logo
6:27 pm - 9:35 pm
IAD
-
SEA
6h 08mnonstop
$224Hawaiian Airlines
Mon, Mar 2 - Mon, Mar 9
Hawaiian Airlines Logo
9:27 am - 5:20 pm
SEA
-
IAD
4h 53mnonstop
Hawaiian Airlines Logo
7:05 am - 10:05 am
IAD
-
SEA
6h 00mnonstop
$226Hawaiian Airlines
Thu, Feb 26 - Wed, Mar 4
Alaska Airlines Logo
9:45 pm - 5:40 am
SEA
-
IAD
4h 55mnonstop
Alaska Airlines Logo
7:00 am - 9:53 am
IAD
-
SEA
5h 53mnonstop
$236Alaska Airlines
Thu, Mar 5 - Wed, Mar 18
Delta Logo
10:40 pm - 9:10 am
GEG
-
IAD
7h 30m
1 stop
Delta Logo
7:00 am - 1:00 pm
IAD
-
GEG
9h 00m
1 stop
$237Delta
Wed, Mar 25 - Wed, Apr 1
Delta Logo
10:40 pm - 9:10 am
GEG
-
DCA
7h 30m
1 stop
Delta Logo
4:40 pm - 12:03 am
DCA
-
GEG
10h 23m
1 stop
$237Delta
Wed, Mar 25 - Wed, Apr 1
United Airlines Logo
12:43 pm - 11:21 pm
SEA
-
IAD
7h 38m
1 stop
United Airlines Logo
5:55 pm - 8:56 pm
IAD
-
SEA
6h 01mnonstop
$243United Airlines
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
11:59 pm - 11:49 am
SEA
-
IAD
8h 50m
1 stop
United Airlines Logo
5:55 pm - 8:56 pm
IAD
-
SEA
6h 01mnonstop
$247United Airlines
Fri, Mar 6 - Sun, Mar 8
Alaska Airlines Logo
9:45 pm - 5:40 am
SEA
-
IAD
4h 55mnonstop
Alaska Airlines Logo
7:11 pm - 10:02 pm
IAD
-
SEA
5h 51mnonstop
$256Alaska Airlines
Thu, Mar 5 - Thu, Mar 19

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
Mar 2
SEA9:45 pmSeattle/Tacoma Intl
4h 55m
IAD5:40 amWashington, D.C. Dulles Intl
Mar 9
IAD6:27 pmWashington, D.C. Dulles Intl
6h 08m
SEA9:35 pmSeattle/Tacoma Intl
$224
Hawaiian Airlines
Feb 26
SEA9:27 amSeattle/Tacoma Intl
4h 53m
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 4
IAD7:05 amWashington, D.C. Dulles Intl
6h 00m
SEA10:05 amSeattle/Tacoma Intl
$226
Hawaiian Airlines
Mar 2
SEA7:10 amSeattle/Tacoma Intl
10h 52m
1 stop
DCA9:02 pmWashington, D.C. Reagan-National
Mar 9
DCA5:00 pmWashington, D.C. Reagan-National
6h 11m
SEA8:11 pmSeattle/Tacoma Intl
$303

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
Mar 3
SEA12:43 pmSeattle/Tacoma Intl
7h 38m
1 stop
IAD11:21 pmWashington, D.C. Dulles Intl
Mar 10
IAD5:55 pmWashington, D.C. Dulles Intl
6h 01m
SEA8:56 pmSeattle/Tacoma Intl
$243
United Airlines
Mar 6
SEA11:59 pmSeattle/Tacoma Intl
8h 50m
1 stop
IAD11:49 amWashington, D.C. Dulles Intl
Mar 8
IAD5:55 pmWashington, D.C. Dulles Intl
6h 01m
SEA8:56 pmSeattle/Tacoma Intl
$247
United Airlines
Mar 2
SEA12:43 pmSeattle/Tacoma Intl
7h 38m
1 stop
IAD11:21 pmWashington, D.C. Dulles Intl
Mar 11
IAD5:10 pmWashington, D.C. Dulles Intl
8h 49m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$252

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 February 4, 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

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Fri 3/6

12:24 pm-4:59 pm

1 stop25h 35m

Washington, D.C. Reagan-National

Mon 3/9

6:00 pm-5:09 pm

2 stops26h 09m

$202

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 3/5

1:16 pm-1:02 pm

1 stop20h 46m

Washington, D.C. Reagan-National

Wed 3/11

6:00 pm-8:20 pm

2 stops29h 20m

$208

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 3/2

9:45 pm-5:40 am

Nonstop4h 55m

Washington, D.C. Dulles Intl

Mon 3/9

6:27 pm-9:35 pm

Nonstop6h 08m

$224

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 2/26

9:27 am-5:20 pm

Nonstop4h 53m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-10:05 am

Nonstop6h 00m

$226

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 3/5

9:45 pm-5:40 am

Nonstop4h 55m

Washington, D.C. Dulles Intl

Wed 3/18

7:00 am-9:53 am

Nonstop5h 53m

$236

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 3/25

10:40 pm-9:10 am

1 stop7h 30m

Washington, D.C. Dulles Intl

Wed 4/1

7:00 am-1:00 pm

1 stop9h 00m

$237

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Wed 3/25

10:40 pm-9:10 am

1 stop7h 30m

Washington, D.C. Reagan-National

Wed 4/1

4:40 pm-12:03 am

1 stop10h 23m

$237

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 3/3

12:43 pm-11:21 pm

1 stop7h 38m

Washington, D.C. Dulles Intl

Tue 3/10

5:55 pm-8:56 pm

Nonstop6h 01m

$243

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 3/6

11:59 pm-11:49 am

1 stop8h 50m

Washington, D.C. Dulles Intl

Sun 3/8

5:55 pm-8:56 pm

Nonstop6h 01m

$247

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 3/5

9:45 pm-5:40 am

Nonstop4h 55m

Washington, D.C. Dulles Intl

Thu 3/19

7:11 pm-10:02 pm

Nonstop5h 51m

$256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, July 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 July, then you should wait until August to fly from State of Washington, when ticket prices are also cheap, with an average price of $347.

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 $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 $576.

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 $329 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 $487. 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 $421 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 $315 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 23% 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

$179

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 $179. The best round-trip flight deal from State of Washington to District of Columbia found on momondo in the last 72 hours is $224.
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. 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
DeltaPriceFrom $103Free CancellationRating
7.9
8,145 reviews
Search Delta flights
FrontierPriceFrom $126Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $200Free CancellationRating
8.0
11,839 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $203Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
SouthwestPriceFrom $218Free CancellationRating
8.0
4,274 reviews
Search Southwest 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/6
Fri 3/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to District of Columbia

Popular cities in District of Columbia

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $49
Flights to Los Angelesfrom $46
Flights to Miamifrom $27
Flights to Chicagofrom $50
Flights to Orlandofrom $50
Flights to San Franciscofrom $54
Flights to Las Vegasfrom $49
Flights to Washington, D.C.from $51
Flights to Bostonfrom $50
Flights to Atlantafrom $49
Flights to Dallasfrom $49
Flights to Seattlefrom $83