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$269+ Cheap flights from Bismarck (BIS) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Bismarck to Washington

Cheapest flights from Bismarck to Washington
Explore the most affordable flight options available from Bismarck to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sat 12/205:10 pmBIS - PDX
1 stop5h 57mUnited Airlines
Thu 1/15:00 amPDX - BIS
1 stop6h 10mUnited Airlines
Deal found 12/13$609
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.
Thu 12/187:25 amBIS - PDX
2 stops12h 49mDelta
Sat 1/36:15 amPDX - BIS
1 stop8h 42mDelta
Deal found 12/14$704
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 12/185:45 amBIS - PDX
1 stop6h 15mUnited Airlines
Sat 1/32:45 pmPDX - BIS
1 stop7h 07mUnited Airlines
Deal found 12/14$718
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 12/195:10 pmBIS - PSC
1 stop5h 53mUnited Airlines
Sat 12/275:00 amPSC - BIS
1 stop16h 52mUnited Airlines
Deal found 12/13$719
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/298:10 amBIS - PDX
1 stop16h 49mUnited Airlines
Fri 1/22:45 pmPDX - BIS
1 stop7h 07mUnited Airlines
Deal found 12/13$764
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:10 pmBIS - GEG
1 stop5h 48mUnited Airlines
Sat 1/35:05 amGEG - BIS
1 stop6h 05mUnited Airlines
Deal found 12/15$779
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sat 12/205:10 pmBIS - PSC
2 stops30h 25mUnited Airlines
Sat 12/275:00 amPSC - BIS
1 stop16h 52mUnited Airlines
Deal found 12/13$803
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:10 amBIS - GEG
1 stop6h 35mUnited Airlines
Fri 1/24:00 pmGEG - BIS
1 stop5h 52mUnited Airlines
Deal found 12/15$817
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:45 amBIS - SEA
1 stop10h 13mUnited Airlines
Fri 1/25:02 amSEA - BIS
1 stop6h 08mUnited Airlines
Deal found 12/15$846
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sun 12/285:10 pmBIS - SEA
1 stop18h 46mUnited Airlines
Thu 1/15:02 amSEA - BIS
1 stop6h 08mUnited Airlines
Deal found 12/12$946
This American Airlines deal was found by Cheapflights users on 12/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amBIS - SEA
2 stops13h 26mAmerican Airlines
Wed 12/3112:14 amSEA - BIS
1 stop10h 17mAmerican Airlines
Deal found 12/12$1,021
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.
Fri 12/191:27 pmBIS - PSC
2 stops11h 32mDelta
Sat 12/2712:27 pmPSC - BIS
2 stops9h 20mDelta
Deal found 12/15$1,169

Find flight deals from Bismarck to Washington

Keep the following information in mind while searching for Bismarck to Washington flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$532
Provider with most accurate pricing for Bismarck-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Seattle/Tacoma Intl flights.
Search Deals
From Bismarck to Washington
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck 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 15, 2025.
Use the filters below to find and compare flights from Bismarck to Washington that are best for you.

Fly from

Bismarck

Fly to

Washington

Route

Depart

Return

Price

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Wed 1/14

5:10 pm-9:22 pm

1 stop6h 12m

Spokane

Wed 1/21

5:00 am-12:51 pm

1 stop5h 51m

$269

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 2/24

5:30 am-9:49 am

1 stop6h 19m

Seattle/Tacoma Intl

Sat 2/28

5:00 am-12:56 pm

1 stop5h 56m

$271

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 1/22

5:00 am-10:55 am

1 stop7h 55m

Seattle/Tacoma Intl

Wed 1/28

3:35 pm-11:26 pm

1 stop5h 51m

$275

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Mon 1/26

5:10 pm-9:15 pm

1 stop6h 05m

Seattle/Tacoma Intl

Fri 2/6

3:30 pm-11:30 pm

1 stop6h 00m

$279

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 2/14

1:28 pm-8:46 pm

1 stop9h 18m

Seattle/Tacoma Intl

Wed 2/18

6:10 am-4:41 pm

1 stop8h 31m

$290

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Wed 1/14

1:03 pm-7:54 pm

1 stop8h 51m

Spokane

Wed 1/21

1:20 pm-11:26 pm

2 stops8h 06m

$294

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Thu 1/8

5:10 pm-9:15 pm

1 stop6h 05m

Seattle/Tacoma Intl

Sun 1/11

5:00 am-12:51 pm

1 stop5h 51m

$304

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Wed 3/4

1:28 pm-8:46 pm

1 stop9h 18m

Seattle/Tacoma Intl

Mon 3/9

11:59 pm-10:27 am

1 stop8h 28m

$331

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 1/29

11:21 am-5:35 pm

1 stop8h 14m

Portland

Sun 2/1

6:00 am-4:34 pm

1 stop8h 34m

$339

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Tue 2/3

5:10 pm-9:23 pm

1 stop6h 13m

Spokane

Sat 2/7

5:00 am-12:51 pm

1 stop5h 51m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 16 results
1
2

Best time to book a flight from Bismarck to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Bismarck 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 Bismarck to Washington

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

Currently, March is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $224). Flying from Bismarck to State of Washington in May is currently the most expensive (average of $471). 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 BIS to WA?

Find hourly flight availability from Bismarck 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 15, 2025.

It’s optimal to fly from Bismarck to State of Washington in the evening. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight at noon.

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 15, 2025.
See what other customers who have flown with Delta and United Airlines from Bismarck 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.
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Bismarck to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bismarck to Washington?

    Bismarck (BIS), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Bismarck to Washington.

  • How long is the flight from Bismarck to State of Washington?

    Airlines like United Airlines and Delta fly from Bismarck to State of Washington in about 6h 12m. The time it takes to get you to your destination can typically vary by up to 3h 06m. The distance between Bismarck and State of Washington is about 788 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Bismarck to State of Washington?

    While some choose either Bismarck - Seattle/Tacoma Intl or Bismarck - Pasco Tri Cities, Bismarck - Portland is the most popular route from Bismarck to State of Washington.

  • Can I find deals for flights from Bismarck to Washington that include hotel bookings?

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

  • How can I find direct flights from Bismarck to Washington?

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

  • Can I find deals for business class flights from Bismarck to Washington?

    Yes. Cheapflights offers flight deals from Bismarck 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 Bismarck to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $224). Flying from Bismarck to State of Washington in May is currently the most expensive (average of $471). 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 Bismarck to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Bismarck to Washington

Discover the top 2 airlines that operate flights from Bismarck 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$303FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$427FlexibilityNo cancel feeOn-time69%

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