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$90+ Cheap flights from Washington, D.C. (WAS) 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SEA
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Washington

Cheapest flights from Washington, D.C. to Washington
Explore the most affordable flight options available from Washington, D.C. to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This CheapOair deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:00 pmDCA - SEA
1 stop21h 30mFrontier
Mon 1/52:54 pmSEA - DCA
1 stop19h 08mFrontier
Deal found 12/16$313
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:00 pmDCA - SEA
1 stop21h 30mFrontier
Tue 1/61:00 pmSEA - DCA
1 stop29h 59mFrontier
Deal found 12/16$314
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Thu 12/258:00 amBWI - PDX
1 stop9h 46mUnited Airlines
Thu 1/16:27 pmPDX - BWI
1 stop8h 53mUnited Airlines
Deal found 12/14$336
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/228:00 amDCA - PDX
1 stop30h 43mFrontier
Thu 12/2512:47 pmPDX - DCA
1 stop21h 14mFrontier
Deal found 12/16$338
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:00 pmDCA - SEA
1 stop21h 30mFrontier
Thu 1/11:25 pmSEA - DCA
1 stop20h 36mFrontier
Deal found 12/16$338
This Delta deal was found by Cheapflights users on 12/15. 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 12/256:00 amBWI - PDX
1 stop7h 49mDelta
Tue 12/305:11 pmPDX - BWI
1 stop9h 34mDelta
Deal found 12/15$348
This Delta deal was found by Cheapflights users on 12/14. 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.
Mon 12/227:00 amBWI - SEA
1 stop8h 36mDelta
Wed 1/71:38 pmSEA - BWI
1 stop7h 06mDelta
Deal found 12/14$358
This CheapOair deal was found by Cheapflights users on 12/15. 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 12/15$363
This CheapOair deal was found by Cheapflights users on 12/15. 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.
Wed 12/248:00 amDCA - PDX
1 stop30h 43mFrontier
Thu 1/112:47 pmPDX - DCA
1 stop21h 14mFrontier
Deal found 12/15$364
This CheapOair deal was found by Cheapflights users on 12/15. 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.
Wed 12/171:00 pmDCA - SEA
1 stop14h 10mFrontier
Thu 1/11:25 pmSEA - DCA
1 stop20h 36mFrontier
Deal found 12/15$364
This Super.com deal was found by Cheapflights users on 12/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:00 pmDCA - SEA
1 stop25h 30mFrontier
Thu 1/11:25 pmSEA - DCA
1 stop20h 36mFrontier
Deal found 12/16$374
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/316:30 amBWI - PDX
1 stop11h 16mUnited Airlines
Sun 1/46:27 pmPDX - BWI
1 stop7h 57mUnited Airlines
Deal found 12/16$375

Find flight deals from Washington, D.C. to Washington

Keep the following information in mind while searching for Washington, D.C. to Washington flight deals. Data was last updated December 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$209
(Delta)

One-way from

$90
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$461

Good round-trip deal

$312 or less

Good one-way deal

$189 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seattle/Tacoma Intl flights.
Search Deals
From Washington, D.C. (WAS) to Washington
Search Deals
One-way flight from Washington, D.C. (WAS) to Washington
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Washington.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Washington.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Washington that are best for you.

Fly from

Washington, D.C.

Fly to

Washington

Route

Depart

Return

Price

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/25

12:23 pm-8:00 pm

1 stop10h 37m

Seattle/Tacoma Intl

Thu 3/5

3:20 pm-11:10 pm

Nonstop4h 50m

$209

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 2/21

4:44 pm-7:43 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Wed 2/25

8:30 am-6:59 pm

1 stop7h 29m

$209

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 1/14

6:05 am-10:42 am

1 stop7h 37m

Seattle/Tacoma Intl

Wed 1/21

7:20 am-3:20 pm

Nonstop5h 00m

$209

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 1/14

4:44 pm-7:43 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Tue 1/20

11:10 pm-8:53 am

1 stop6h 43m

$209

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 2/25

12:59 pm-7:00 pm

1 stop9h 01m

Seattle/Tacoma Intl

Thu 3/5

7:20 am-3:20 pm

Nonstop5h 00m

$209

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 2/14

5:55 pm-8:56 pm

Nonstop6h 01m

Seattle/Tacoma Intl

Sun 2/15

8:17 am-4:19 pm

Nonstop5h 02m

$218

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 1/8

6:56 pm-9:18 am

1 stop17h 22m

Seattle/Tacoma Intl

Mon 1/12

8:50 pm-5:56 pm

1 stop18h 06m

$218

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 2/14

6:15 am-1:50 pm

1 stop10h 35m

Seattle/Tacoma Intl

Tue 2/17

6:35 am-5:55 pm

1 stop8h 20m

$219

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 1/14

1:44 pm-7:04 pm

1 stop8h 20m

Seattle/Tacoma Intl

Wed 1/21

8:04 am-6:44 pm

1 stop7h 40m

$219

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Fri 3/13

12:12 pm-6:24 pm

1 stop9h 12m

Seattle/Tacoma Intl

Tue 3/17

6:00 am-4:40 pm

1 stop7h 40m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Washington, D.C. 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 Washington, D.C. to Washington

What is the cheapest month to book a flight from Washington, D.C. to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to State of Washington (average of $104). Flying from Washington, D.C. 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 WAS to WA?

Find hourly flight availability from Washington, D.C. 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 16, 2025.

It’s typically best to fly out from Washington, D.C. to State of Washington in the evening. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to State of Washington?

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

Travelers seeking maximum savings on their Washington, D.C. 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.

How much does it cost to fly round-trip from Washington, D.C. to State of Washington?

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 16, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Washington, D.C. to Washington have to say. 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
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

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.
Alaska Airlines
8.0
Very good
11,465 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

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.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

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.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

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.
United Airlines
7.4
Good
9,094 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

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.
Frontier
5.8
Fair
3,082 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Food

7.1

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 Washington, D.C. 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 Washington, D.C. to State of Washington?

    For as low as $218, Delta can have you in State of Washington from Washington, D.C. in 6h 01m. Airlines will cover a distance of 2299 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to State of Washington one-way?

    $70 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $99 and $126, respectively.

  • What are the most popular routes from Washington, D.C. to State of Washington?

    When deciding which route to take from Washington, D.C. to State of Washington consider Washington, D.C. Dulles Intl - Seattle/Tacoma Intl, Washington, D.C. Reagan-National - Seattle/Tacoma Intl or Baltimore/Washington - Seattle/Tacoma Intl as they are the most popular.

  • What are the most reliable airlines from Washington, D.C. to State of Washington?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to State of Washington consider choosing ITA Airways (100%), United Airlines (87%) or Austrian Airlines (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. to State of Washington?

    On average you can expect to pay $1,192 for a flight from Washington, D.C. to State of Washington. The cheapest flight overall is $119 while the most popular route, (Washington, D.C. Dulles Intl - Seattle/Tacoma Intl) is currently priced at $191.

  • Can I find deals for flights from Washington, D.C. to Washington that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Washington?

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

  • Can I find deals for business class flights from Washington, D.C. to Washington?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to State of Washington (average of $104). Flying from Washington, D.C. 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.

See more FAQs

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Alternative routes for Washington, D.C. to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington, D.C. to Washington

Discover the top 9 airlines that operate flights from Washington, D.C. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$266FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$125Average$278FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$149Average$444FlexibilityNo cancel feeOn-time85%
DeltaCheapest$179Average$402FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$197Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$458FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$491FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$260Average$521FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$313Average$402FlexibilityNo cancel feeOn-time83%

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