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$239+ Cheap flights from Bismarck (BIS) 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Bismarck to Washington

Keep the following information in mind while searching for Bismarck to Washington flight deals. Data was last updated September 11, 2025.

Round-trip from

$259
(Delta)

One-way from

$239
(Delta)

Popular in

May

Cheapest in

February

Average price

$503
From Bismarck to Washington
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One-way flight from Bismarck to Washington
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Highest demand for flights based on searches. 14% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:14 pmBIS - SEA
1 stop9h 06mDelta
Tue 11/1111:55 pmSEA - BIS
1 stop8h 54mDelta
Deal found 9/10$259
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:30 amBIS - PDX
1 stop7h 20mDelta
Wed 10/2212:06 pmPDX - BIS
1 stop5h 31mDelta
Deal found 9/11$274
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/273:35 pmBIS - GEG
2 stops9h 38mDelta
Wed 10/17:25 pmGEG - BIS
2 stops13h 12mDelta
Deal found 9/9$319
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 11/41:56 pmBIS - SEA
2 stops11h 19mUnited Airlines
Tue 11/115:05 amSEA - BIS
1 stop6h 06mUnited Airlines
Deal found 9/10$321
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:33 pmBIS - SEA
1 stop9h 17mAmerican Airlines
Tue 9/3011:40 amSEA - BIS
1 stop8h 46mAmerican Airlines
Deal found 9/11$367
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:14 pmBIS - PDX
2 stops11h 26mDelta
Tue 10/285:40 amPDX - BIS
2 stops11h 57mDelta
Deal found 9/10$369
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:49 pmBIS - PDX
1 stop9h 00mAmerican Airlines
Tue 10/287:45 amPDX - BIS
2 stops12h 57mAmerican Airlines
Deal found 9/10$382
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:30 amBIS - PDX
1 stop7h 20mDelta
Wed 10/2212:06 pmPDX - BIS
1 stop5h 31mDelta
Deal found 9/11$383
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 11/75:15 pmBIS - PDX
1 stop7h 41mUnited Airlines
Mon 11/104:02 pmPDX - BIS
1 stop5h 37mUnited Airlines
Deal found 9/10$391
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:28 pmBIS - PDX
1 stop10h 58mAmerican Airlines
Mon 11/108:35 amPDX - BIS
2 stops11h 47mAmerican Airlines
Deal found 9/10$416
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:32 pmBIS - PDX
1 stop8h 55mAmerican Airlines
Sun 9/148:31 amPDX - BIS
2 stops11h 47mAmerican Airlines
Deal found 9/11$447
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/41:58 pmBIS - GEG
1 stop8h 26mUnited Airlines
Fri 10/1012:35 pmGEG - BIS
2 stops25h 54mUnited Airlines
Deal found 9/9$447

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 September 11, 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

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 3/3

7:31 am-1:00 pm

1 stop7h 29m

Seattle/Tacoma Intl

Sat 3/7

6:05 am-4:53 pm

1 stop8h 48m

$259

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 11/4

1:14 pm-8:20 pm

1 stop9h 06m

Seattle/Tacoma Intl

Tue 11/11

11:55 pm-10:49 am

1 stop8h 54m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 2/21

1:10 pm-8:30 pm

1 stop9h 20m

Portland

Mon 2/23

12:55 am-10:56 am

1 stop8h 01m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 10/18

7:30 am-12:50 pm

1 stop7h 20m

Portland

Wed 10/22

12:06 pm-7:37 pm

1 stop5h 31m

$274

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Sat 9/27

3:35 pm-11:13 pm

2 stops9h 38m

Spokane

Wed 10/1

7:25 pm-10:37 am

2 stops13h 12m

$319

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 11/4

1:56 pm-11:15 pm

2 stops11h 19m

Seattle/Tacoma Intl

Tue 11/11

5:05 am-1:11 pm

1 stop6h 06m

$321

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Fri 9/26

1:33 pm-8:50 pm

1 stop9h 17m

Seattle/Tacoma Intl

Tue 9/30

11:40 am-10:26 pm

1 stop8h 46m

$367

BismarckPasco

BIS - PSC

BISPSC

Bismarck

Sat 2/28

1:10 pm-7:58 pm

1 stop8h 48m

Pasco Tri Cities

Tue 3/3

1:00 pm-7:57 pm

2 stops28h 57m

$367

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 10/24

1:14 pm-10:40 pm

2 stops11h 26m

Portland

Tue 10/28

5:40 am-7:37 pm

2 stops11h 57m

$369

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 3/3

1:30 pm-8:54 pm

2 stops9h 24m

Seattle/Tacoma Intl

Sat 3/7

12:59 pm-11:37 pm

2 stops8h 38m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 31 results
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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, January is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $238). Flying from Bismarck to State of Washington in June is currently the most expensive (average of $388). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bismarck to State of Washington as you normally would.

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 September 11, 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
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Delta and United Airlines fly from Bismarck to State of Washington in about 7h 29m. The time it takes to get you to your destination can typically vary by up to 3h 50m. The distance between Bismarck and State of Washington is about 1011 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $239. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Bismarck to State of Washington for a low price.

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

    While some choose either Bismarck - Spokane or Bismarck - Portland, Bismarck - Pasco Tri Cities 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, January is the cheapest month in which you can book a flight from Bismarck to State of Washington (average of $238). Flying from Bismarck to State of Washington in June is currently the most expensive (average of $388). 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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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$362FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$473FlexibilityNo cancel feeOn-time69%

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