Washington

$84+ Cheap flights from District of Columbia to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEA
Jan 11 — Jan 181
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Cheap flight deals from District of Columbia to Washington

Cheapest flights from District of Columbia to Washington
Explore the most affordable flight options available from District of Columbia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:20 amIAD - SEA
1 stop10h 38mUnited Airlines
Sat 1/108:10 amSEA - IAD
Nonstop5h 06mUnited Airlines
Deal found 12/10$319
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:00 amDCA - PDX
1 stop30h 56mFrontier
Thu 12/1812:47 pmPDX - DCA
1 stop25h 12mFrontier
Deal found 12/10$325
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:00 amDCA - SEA
1 stop30h 53mFrontier
Thu 1/11:25 pmSEA - DCA
1 stop20h 36mFrontier
Deal found 12/10$325
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:00 amDCA - PDX
1 stop30h 56mFrontier
Sun 12/1412:51 pmPDX - DCA
1 stop21h 15mFrontier
Deal found 12/11$339
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:00 amDCA - PDX
1 stop30h 43mFrontier
Thu 1/812:05 pmPDX - DCA
1 stop6h 54mFrontier
Deal found 12/11$363
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 pmDCA - SEA
1 stop21h 30mFrontier
Mon 1/52:54 pmSEA - DCA
1 stop28h 05mFrontier
Deal found 12/11$363
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmDCA - SEA
1 stop21h 30mFrontier
Tue 12/302:54 pmSEA - DCA
1 stop28h 05mFrontier
Deal found 12/11$364
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 amIAD - SEA
1 stop8h 33mUnited Airlines
Wed 1/78:10 amSEA - IAD
Nonstop5h 06mUnited Airlines
Deal found 12/9$373
This Gotogate deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 pmDCA - SEA
1 stop20h 53mFrontier
Sun 12/1412:48 pmSEA - DCA
1 stop21h 18mFrontier
Deal found 12/10$382
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:47 amIAD - SEA
1 stop11h 19mUnited Airlines
Wed 1/78:10 amSEA - IAD
Nonstop5h 06mUnited Airlines
Deal found 12/11$383
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 pmDCA - SEA
1 stop20h 53mFrontier
Sat 12/1312:48 pmSEA - DCA
1 stop21h 18mFrontier
Deal found 12/11$384
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amDCA - SEA
1 stop31h 30mFrontier
Tue 1/61:00 pmSEA - DCA
1 stop29h 59mFrontier
Deal found 12/11$388

Find flight deals from District of Columbia to Washington

Keep the following information in mind while searching for District of Columbia to Washington flight deals. Data was last updated December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$216
(United Airlines)

One-way from

$84
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$450

Good round-trip deal

$363 or less

Good one-way deal

$193 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seattle/Tacoma Intl flights.
From District of Columbia to Washington
One-way flight from District of Columbia to Washington
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from District of Columbia to Washington.
Price to beat on a one-way flight from District of Columbia to Washington.

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from District of Columbia to Washington that are best for you.

Fly from

District of Columbia

Fly to

Washington

Route

Depart

Return

Price

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 1/22

8:59 am-5:29 pm

1 stop11h 30m

Seattle/Tacoma Intl

Sat 1/31

6:00 am-5:56 pm

1 stop8h 56m

$218

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/18

7:05 am-3:10 pm

1 stop11h 05m

Seattle/Tacoma Intl

Sat 2/21

6:00 am-4:28 pm

1 stop7h 28m

$219

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 1/21

12:23 pm-8:00 pm

1 stop10h 37m

Seattle/Tacoma Intl

Sat 1/24

6:05 am-4:46 pm

1 stop7h 41m

$219

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 1/10

5:27 pm-9:49 pm

1 stop7h 22m

Seattle/Tacoma Intl

Sat 1/17

6:05 am-4:46 pm

1 stop7h 41m

$219

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Fri 1/9

11:55 am-4:45 pm

1 stop7h 50m

Seattle/Tacoma Intl

Wed 1/14

6:05 am-6:42 pm

1 stop9h 37m

$219

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 2/24

6:05 am-10:42 am

1 stop7h 37m

Seattle/Tacoma Intl

Sat 2/28

6:05 am-6:29 pm

1 stop9h 24m

$219

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 2/14

3:10 pm-8:46 pm

1 stop8h 36m

Seattle/Tacoma Intl

Tue 2/17

9:55 pm-10:26 am

1 stop9h 31m

$219

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 2/19

5:55 pm-8:56 pm

Nonstop6h 01m

Seattle/Tacoma Intl

Sun 2/22

7:00 am-5:25 pm

1 stop7h 25m

$228

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Fri 2/20

5:55 pm-8:56 pm

Nonstop6h 01m

Seattle/Tacoma Intl

Sun 2/22

11:59 pm-11:50 am

1 stop8h 51m

$228

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Mon 1/12

6:56 pm-11:21 am

1 stop19h 25m

Seattle/Tacoma Intl

Thu 1/15

7:50 pm-4:01 pm

1 stop17h 11m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 60 results
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Best time to book a flight from District of Columbia to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Washington

What is the cheapest month to book a flight from District of Columbia to State of Washington?

Currently, March is the cheapest month in which you can book a flight from District of Columbia to State of Washington (average of $103). Flying from District of Columbia to State of Washington in July is currently the most expensive (average of $231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to WA?

Find hourly flight availability from District of Columbia to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from District of Columbia to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 24% versus a flight in the afternoon.

What is the cheapest day to fly from District of Columbia to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Washington. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their District of Columbia to State of Washington flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from District of Columbia to State of Washington

Explore weekly flight availability from District of Columbia to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.

The most flights from USDC to USWA are scheduled on a Thursday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from District of Columbia to Washington, such as Alaska Airlines, Delta, and Hawaiian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from District of Columbia to State of Washington?

    Alaska Airlines, Delta, and United Airlines can get you from District of Columbia to State of Washington in just under 6h 01m. Your travel time can differ by up to 5h 29m. There are 2299 mi between District of Columbia and State of Washington. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from District of Columbia to State of Washington one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $85. Frontier flights start at $93 while deals on Southwest start at $103 one-way.

  • Can I find deals for flights from District of Columbia to Washington that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Washington.

  • Can I find deals for business class flights from District of Columbia to Washington?

    Yes. Cheapflights offers flight deals from District of Columbia to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to State of Washington (average of $103). Flying from District of Columbia to State of Washington in July is currently the most expensive (average of $231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for District of Columbia to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from District of Columbia to Washington

Discover the top 9 airlines that operate flights from District of Columbia to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$266FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$125Average$277FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$149Average$444FlexibilityNo cancel feeOn-time85%
DeltaCheapest$181Average$401FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$206Average$456FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$457FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$496FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$260Average$521FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$313Average$402FlexibilityNo cancel feeOn-time83%

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