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$76+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEA
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Cheap 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 October 31, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$210
(Mytrip)

One-way from

$76
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$397

Good round-trip deal

$341 or less

Good one-way deal

$186 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seattle/Tacoma Intl flights.
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From District of Columbia to Washington
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One-way flight from District of Columbia to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from District of Columbia to Washington.
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Price to beat on a one-way flight from District of Columbia to Washington.
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Find 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 October 31, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:00 pmDCA - GEG
1 stop24h 13mFrontier
Sat 12/2012:02 pmGEG - DCA
1 stop6h 57mFrontier
Deal found 10/29$210
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:00 pmDCA - GEG
1 stop20h 25mFrontier
Thu 12/412:08 pmGEG - DCA
1 stop21h 58mFrontier
Deal found 10/30$220
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:38 amIAD - SEA
Nonstop5h 54mHawaiian Airlines
Thu 12/410:11 pmSEA - IAD
Nonstop4h 55mHawaiian Airlines
Deal found 10/29$234
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/56:30 pmIAD - SEA
Nonstop6h 00mAlaska Airlines
Sun 12/710:11 pmSEA - IAD
Nonstop4h 55mAlaska Airlines
Deal found 10/29$236
This CheapOair deal was found by Cheapflights users on 10/30. 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 11/106:00 pmDCA - SEA
1 stop21h 07mFrontier
Sat 11/1512:58 pmSEA - DCA
1 stop21h 04mFrontier
Deal found 10/30$236
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:15 amIAD - SEA
Nonstop5h 57mDelta
Sun 12/73:30 pmSEA - IAD
Nonstop4h 57mDelta
Deal found 10/30$237
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:00 pmDCA - SEA
Nonstop6h 13mAlaska Airlines
Tue 12/161:56 pmSEA - DCA
Nonstop5h 03mAlaska Airlines
Deal found 10/29$237
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:15 amIAD - SEA
Nonstop6h 04mDelta
Wed 12/33:30 pmSEA - IAD
Nonstop4h 57mDelta
Deal found 10/29$238
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/278:00 amDCA - SEA
Nonstop6h 05mHawaiian Airlines
Thu 12/41:56 pmSEA - DCA
Nonstop5h 03mHawaiian Airlines
Deal found 10/30$239
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/278:00 amDCA - SEA
Nonstop6h 05mHawaiian Airlines
Wed 12/37:20 amSEA - DCA
1 stop10h 42mHawaiian Airlines
Deal found 10/30$241
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/45:37 pmIAD - SEA
1 stop9h 35mHawaiian Airlines
Wed 12/108:40 amSEA - IAD
Nonstop4h 56mHawaiian Airlines
Deal found 10/31$243
This CheapOair deal was found by Cheapflights users on 10/30. 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 11/172:00 pmDCA - SEA
1 stop25h 07mFrontier
Sun 11/2312:46 pmSEA - DCA
1 stop21h 17mFrontier
Deal found 10/30$243

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 October 31, 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

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 11/20

7:15 am-10:19 am

Nonstop6h 04m

Seattle/Tacoma Intl

Thu 11/27

4:30 pm-12:25 am

Nonstop4h 55m

$237

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Tue 12/9

7:34 am-10:35 am

Nonstop6h 01m

Seattle/Tacoma Intl

Sun 12/14

10:11 pm-6:06 am

Nonstop4h 55m

$237

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 1/24

5:55 pm-8:57 pm

Nonstop6h 02m

Seattle/Tacoma Intl

Tue 2/3

5:12 pm-5:24 am

1 stop9h 12m

$247

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Fri 2/27

5:51 pm-11:46 pm

1 stop8h 55m

Seattle/Tacoma Intl

Mon 3/2

9:15 pm-5:25 pm

1 stop17h 10m

$256

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 12/16

8:59 am-5:27 pm

1 stop11h 28m

Seattle/Tacoma Intl

Sat 1/10

7:15 am-9:00 pm

1 stop10h 45m

$256

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 12/3

6:00 am-12:42 pm

1 stop9h 42m

Seattle/Tacoma Intl

Sat 12/13

10:40 am-9:18 pm

1 stop7h 38m

$257

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/18

5:51 pm-11:46 pm

1 stop8h 55m

Seattle/Tacoma Intl

Sat 2/21

9:55 pm-5:55 am

Nonstop5h 00m

$267

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Tue 2/10

5:26 pm-9:28 am

1 stop19h 02m

Seattle/Tacoma Intl

Thu 2/12

9:55 am-5:55 pm

Nonstop5h 00m

$267

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 3/3

9:30 am-6:51 pm

1 stop12h 21m

Seattle/Tacoma Intl

Wed 3/4

7:00 am-9:10 pm

1 stop11h 10m

$276

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 12/11

8:00 am-11:11 am

Nonstop6h 11m

Seattle/Tacoma Intl

Sun 12/14

8:00 am-4:08 pm

Nonstop5h 08m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 $109). Flying from District of Columbia to State of Washington in July is currently the most expensive (average of $232). 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 October 31, 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.

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 October 31, 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.
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,220 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
7,999 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,798 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,996 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,123 reviews
Alaska Airlines
8.0
Very good
11,220 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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?

    Delta, Alaska Airlines, and United Airlines can get you from District of Columbia to State of Washington in just under 6h 01m. Your travel time will be generally consistent. There are 2299 mi between District of Columbia and State of Washington. Generally, flights for this route are nonstop.

  • 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 Delta, which is currently one of the cheapest options available, starting at $139. United Airlines flights start at $139 while deals on Alaska Airlines start at $139 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 $109). Flying from District of Columbia to State of Washington in July is currently the most expensive (average of $232). 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.

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Alternative routes for District of Columbia to Washington

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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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$262FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$126Average$275FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$149Average$444FlexibilityNo cancel feeOn-time85%
DeltaCheapest$186Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$206Average$460FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$238Average$497FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$462FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$260Average$537FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$313Average$402FlexibilityNo cancel feeOn-time83%

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