Cheap flights from District of Columbia to Washington from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Washington departing on 8/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:30 am - 1:19 pm
DCA
-
GEG
9h 49m
1 stop
American Airlines Logo
2:09 pm - 11:59 pm
GEG
-
DCA
6h 50m
1 stop
$197American Airlines
Tue, Sep 15 - Tue, Sep 22
Delta Logo
7:10 am - 12:20 pm
IAD
-
GEG
8h 10m
1 stop
Delta Logo
9:17 am - 10:49 pm
GEG
-
IAD
10h 32m
1 stop
$197Delta
Tue, Sep 15 - Tue, Sep 22
Delta Logo
4:35 pm - 11:59 pm
DCA
-
GEG
10h 24m
1 stop
Delta Logo
5:15 am - 3:21 pm
GEG
-
DCA
7h 06m
1 stop
$208Delta
Thu, Aug 13 - Wed, Aug 26
Southwest Logo
4:40 pm - 10:05 pm
DCA
-
GEG
8h 25m
1 stop
Southwest Logo
10:55 am - 11:55 pm
GEG
-
DCA
10h 00m
2 stops
$272Southwest
Tue, Sep 22 - Mon, Sep 28
Alaska Airlines Logo
7:00 am - 2:40 pm
IAD
-
GEG
10h 40m
1 stop
Alaska Airlines Logo
6:02 am - 4:14 pm
GEG
-
IAD
7h 12m
1 stop
$275Alaska Airlines
Sat, Oct 31 - Wed, Nov 4
Frontier Logo
9:55 am - 10:35 am
IAD
-
SEA
27h 40m
1 stop
Frontier Logo
8:53 pm - 8:20 am
SEA
-
IAD
8h 27m
1 stop
$322Frontier
Wed, Jul 1 - Fri, Jul 10
Frontier Logo
9:50 am - 4:54 pm
IAD
-
PDX
10h 04m
1 stop
Frontier Logo
5:16 pm - 8:20 am
PDX
-
IAD
36h 04m
2 stops
$322Frontier
Mon, Jul 20 - Tue, Aug 11
Southwest Logo
4:30 pm - 11:30 pm
DCA
-
SEA
10h 00m
2 stops
Southwest Logo
5:15 am - 4:50 pm
SEA
-
DCA
8h 35m
1 stop
$324Southwest
Thu, Sep 10 - Mon, Sep 14
Alaska Airlines Logo
6:03 am - 8:48 am
IAD
-
SEA
5h 45mnonstop
Alaska Airlines Logo
6:21 am - 6:45 pm
SEA
-
IAD
9h 24m
1 stop
$325Alaska Airlines
Wed, Aug 5 - Tue, Aug 11
United Airlines Logo
5:41 pm - 11:10 pm
IAD
-
SEA
8h 29m
1 stop
United Airlines Logo
11:04 pm - 7:07 am
SEA
-
IAD
5h 03mnonstop
$330United Airlines
Mon, Aug 10 - Thu, Aug 13

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.

Alaska Airlines flights from District of Columbia to State of Washington

Our best Alaska Airlines deals on District of Columbia to State of Washington flight tickets
Alaska Airlines
Oct 31
IAD7:00 amWashington, D.C. Dulles Intl
10h 40m
1 stop
GEG2:40 pmSpokane
Nov 4
GEG6:02 amSpokane
7h 12m
1 stop
IAD4:14 pmWashington, D.C. Dulles Intl
$275
Alaska Airlines
Sep 5
IAD5:47 pmWashington, D.C. Dulles Intl
7h 38m
1 stop
GEG10:25 pmSpokane
Sep 12
GEG6:00 amSpokane
9h 14m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
$295
Alaska Airlines
Sep 6
IAD7:00 amWashington, D.C. Dulles Intl
8h 31m
1 stop
GEG12:31 pmSpokane
Sep 12
GEG6:00 amSpokane
9h 14m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
$318

Delta flights from District of Columbia to State of Washington

Our best Delta deals on District of Columbia to State of Washington flight tickets
Delta
Sep 15
IAD7:10 amWashington, D.C. Dulles Intl
8h 10m
1 stop
GEG12:20 pmSpokane
Sep 22
GEG9:17 amSpokane
10h 32m
1 stop
IAD10:49 pmWashington, D.C. Dulles Intl
$197
Delta
Aug 13
DCA4:35 pmWashington, D.C. Reagan-National
10h 24m
1 stop
GEG11:59 pmSpokane
Aug 26
GEG5:15 amSpokane
7h 06m
1 stop
DCA3:21 pmWashington, D.C. Reagan-National
$208
Delta
Aug 29
DCA4:35 pmWashington, D.C. Reagan-National
8h 00m
1 stop
GEG9:35 pmSpokane
Sep 5
GEG5:15 amSpokane
7h 06m
1 stop
DCA3:21 pmWashington, D.C. Reagan-National
$219

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to State of Washington 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 June 13, 2026.
Use the filters below to find and compare flights from District of Columbia to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 9/15

6:30 am-1:19 pm

1 stop9h 49m

Spokane

Tue 9/22

2:09 pm-11:59 pm

1 stop6h 50m

$197

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Tue 9/15

7:10 am-12:20 pm

1 stop8h 10m

Spokane

Tue 9/22

9:17 am-10:49 pm

1 stop10h 32m

$197

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Thu 8/13

4:35 pm-11:59 pm

1 stop10h 24m

Spokane

Wed 8/26

5:15 am-3:21 pm

1 stop7h 06m

$208

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 9/22

4:40 pm-10:05 pm

1 stop8h 25m

Spokane

Mon 9/28

10:55 am-11:55 pm

2 stops10h 00m

$272

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sat 10/31

7:00 am-2:40 pm

1 stop10h 40m

Spokane

Wed 11/4

6:02 am-4:14 pm

1 stop7h 12m

$275

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 7/1

9:55 am-10:35 am

1 stop27h 40m

Seattle/Tacoma Intl

Fri 7/10

8:53 pm-8:20 am

1 stop8h 27m

$322

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Mon 7/20

9:50 am-4:54 pm

1 stop10h 04m

Portland

Tue 8/11

5:16 pm-8:20 am

2 stops36h 04m

$322

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 9/10

4:30 pm-11:30 pm

2 stops10h 00m

Seattle/Tacoma Intl

Mon 9/14

5:15 am-4:50 pm

1 stop8h 35m

$324

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 8/5

6:03 am-8:48 am

Nonstop5h 45m

Seattle/Tacoma Intl

Tue 8/11

6:21 am-6:45 pm

1 stop9h 24m

$325
Quickest round-trip

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Mon 8/10

5:41 pm-11:10 pm

1 stop8h 29m

Seattle/Tacoma Intl

Thu 8/13

11:04 pm-7:07 am

Nonstop5h 03m

$330

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Washington from

How to get the cheapest flight ticket from District of Columbia to State of Washington

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 State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from District of Columbia, with most prices found around $119. If you aren’t able to travel to State of Washington during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $350.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from District of Columbia to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $458. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to State of Washington for around $577.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $471. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $562 on average. Flights to State of Washington from District of Columbia in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight from District of Columbia to Washington?

You are more likely to see cheaper flights to State of Washington from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $386 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from District of Columbia for as low as $343 on momondo.

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

There are 4 cabin classes available to choose from on District of Columbia to State of Washington 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 District of Columbia to State of Washington flights?

You could potentially save up to 19% on your flight if you consider stops on a District of Columbia to State of Washington flight.

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

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

Best Price Found

$276

Fastest flight time

5h 35m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from District of Columbia in the past 72 hours is $276. The best round-trip flight deal from District of Columbia to State of Washington found on momondo in the last 72 hours is $387.
The fastest flight from District of Columbia to State of Washington takes 5h 35m
Direct flights go from District of Columbia to State of Washington every day.
There are 96 airports in State of Washington. From District of Columbia there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).

Frequently asked questions about flying from District of Columbia to Washington

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

    Prices for flights from District of Columbia to Washington are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from District of Columbia to State of Washington

Compare and see reviews for airlines that fly from District of Columbia to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $99Free CancellationRating
7.9
8,405 reviews
Search Delta flights
FrontierPriceFrom $121Free CancellationRating
5.6
2,892 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $179Free CancellationRating
7.1
11,650 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,815 reviews
Search United Airlines flights
SouthwestPriceFrom $218Free CancellationRating
7.9
4,234 reviews
Search Southwest flights
JetBluePriceFrom $219Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $221Free CancellationRating
7.9
12,502 reviews
Search Alaska Airlines flights
Sun Country AirPriceFrom $295Free CancellationRating
6.8
330 reviews
Search Sun Country Air flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from District of Columbia to Washington for you.

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

momondo does allow users to show only those flights to Washington from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

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

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

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

An easier way to manage your State of Washington 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/13
Mon 7/20

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo