Cheap flights from Washington to Washington, D.C. 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 Washington, D.C. departing on 5/27. 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

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Frontier Logo
8:12 pm - 8:20 am
SEA
-
IAD
9h 08m
1 stop
Frontier Logo
9:20 am - 10:35 am
IAD
-
SEA
28h 15m
1 stop
$261Frontier
Thu, Aug 13 - Wed, Aug 19
Frontier Logo
8:20 pm - 8:12 am
SEA
-
IAD
8h 52m
1 stop
Frontier Logo
9:12 am - 10:36 am
IAD
-
SEA
28h 24m
1 stop
$262Frontier
Fri, May 29 - Fri, Jun 5
Alaska Airlines Logo
3:53 pm - 11:59 pm
SEA
-
IAD
5h 06mnonstop
Alaska Airlines Logo
6:00 am - 8:46 am
IAD
-
SEA
5h 46mnonstop
$265Alaska Airlines
Thu, Jun 4 - Mon, Jun 8
Multiple Airlines Logo
9:04 pm - 6:45 pm
SEA
-
IAD
18h 41m
1 stop
Multiple Airlines Logo
9:50 am - 10:39 am
IAD
-
SEA
27h 49m
1 stop
$269Multiple Airlines
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
8:20 pm - 8:12 am
SEA
-
IAD
8h 52m
1 stop
Multiple Airlines Logo
6:00 am - 8:46 am
IAD
-
SEA
5h 46mnonstop
$273Multiple Airlines
Thu, Jun 4 - Mon, Jun 8
Delta Logo
10:48 pm - 9:26 am
GEG
-
IAD
7h 38m
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 - 9:26 am
GEG
-
IAD
7h 38m
1 stop
Delta Logo
5:26 pm - 11:06 pm
IAD
-
GEG
8h 40m
2 stops
$280Delta
Tue, Jul 7 - Tue, Jul 21
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
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
$296American Airlines
Tue, Jul 28 - Tue, Aug 4

United Airlines flights from State of Washington to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on State of Washington to Washington, D.C. Dulles Intl Airport flight tickets
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
United Airlines
Aug 19
SEA6:00 pmSeattle/Tacoma Intl
8h 25m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
Aug 23
IAD5:18 pmWashington, D.C. Dulles Intl
5h 45m
SEA8:03 pmSeattle/Tacoma Intl
$300

Alaska Airlines flights from State of Washington to Washington, D.C. Dulles Intl Airport

Our best Alaska Airlines deals on State of Washington to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Jun 4
SEA3:53 pmSeattle/Tacoma Intl
5h 06m
IAD11:59 pmWashington, D.C. Dulles Intl
Jun 8
IAD6:00 amWashington, D.C. Dulles Intl
5h 46m
SEA8:46 amSeattle/Tacoma Intl
$265
Alaska Airlines
Sep 24
SEA9:32 pmSeattle/Tacoma Intl
5h 08m
IAD5:40 amWashington, D.C. Dulles Intl
Sep 28
IAD7:00 amWashington, D.C. Dulles Intl
5h 40m
SEA9:40 amSeattle/Tacoma Intl
$285
Alaska Airlines
Jun 4
SEA3:53 pmSeattle/Tacoma Intl
5h 06m
IAD11:59 pmWashington, D.C. Dulles Intl
Jun 8
IAD6:00 amWashington, D.C. Dulles Intl
5h 46m
SEA8:46 amSeattle/Tacoma Intl
$288

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Washington, D.C. Dulles Intl Airport 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 6, 2026.
Use the filters below to find and compare flights from Washington to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

Wed 8/19

9:20 am-10:35 am

1 stop28h 15m

$261

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 5/29

8:20 pm-8:12 am

1 stop8h 52m

Washington, D.C. Dulles Intl

Fri 6/5

9:12 am-10:36 am

1 stop28h 24m

$262
Quickest round-trip

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 6/4

3:53 pm-11:59 pm

Nonstop5h 06m

Washington, D.C. Dulles Intl

Mon 6/8

6:00 am-8:46 am

Nonstop5h 46m

$265

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 7/8

9:04 pm-6:45 pm

1 stop18h 41m

Washington, D.C. Dulles Intl

Wed 7/15

9:50 am-10:39 am

1 stop27h 49m

$269

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 6/4

8:20 pm-8:12 am

1 stop8h 52m

Washington, D.C. Dulles Intl

Mon 6/8

6:00 am-8:46 am

Nonstop5h 46m

$273

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 7/8

10:48 pm-9:26 am

1 stop7h 38m

Washington, D.C. Dulles Intl

Tue 7/14

3:02 pm-9:33 pm

1 stop9h 31m

$275

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 7/7

10:48 pm-9:26 am

1 stop7h 38m

Washington, D.C. Dulles Intl

Tue 7/21

5:26 pm-11:06 pm

2 stops8h 40m

$280

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

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

$296

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 Washington, D.C. from

How to get the cheapest flight ticket from State of Washington to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

In general, December is the cheapest month to fly from State of Washington to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $119. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $119.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $440. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Washington, D.C. Dulles Intl Airport for around $589.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport 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. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $533 on average. Flights to Washington, D.C. Dulles Intl Airport from State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington to Washington, D.C. Dulles Intl flight route?

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

How far in advance should I book a flight from Washington to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $426 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from State of Washington for as low as $327 on momondo.

Can stopping save me money on State of Washington to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 15% on your flight if you consider stops on a State of Washington to Washington, D.C. Dulles Intl Airport flight.

Cheap State of Washington to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Washington, D.C. Dulles Intl Airport

Best Price Found

$218

Fastest flight time

4h 48m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from State of Washington in the past 72 hours is $218. The best round-trip flight deal from State of Washington to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $401.
The fastest flight from State of Washington to Washington, D.C. Dulles Intl Airport takes 4h 48m
Direct flights go from State of Washington to Washington, D.C. Dulles Intl Airport every day.

Frequently asked questions about flying from Washington to Washington, D.C. Dulles Intl Airport

  • When did momondo last update prices for flights from Washington to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Washington to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Washington to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to Washington, D.C. Dulles Intl Airport?

Best airlines flying from State of Washington to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from State of Washington to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $126Free CancellationRating
5.6
2,964 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,458 reviews
Search Delta flights
United AirlinesPriceFrom $220Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $237Free CancellationRating
7.9
12,332 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $407Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Washington, D.C.?

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

Can I find flights from Washington to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Washington with this policy.

How can momondo help me find flights from Washington to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Washington.

I’m not ready to book a flight from Washington to Washington, D.C. right now. Can momondo alert me if prices change?

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

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Fri 6/5
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