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$253+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — SEA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$259
(Delta)

One-way from

$253
(Delta)

Popular in

May

Cheapest in

February

Average price

$596
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. 11% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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 8/185:42 pmBIS - SEA
1 stop8h 12mDelta
Sat 9/66:10 amSEA - BIS
1 stop6h 38mDelta
Deal found 7/28$259
This Delta deal was found by Cheapflights users on 7/28. 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 11/16:00 amBIS - PDX
1 stop8h 41mDelta
Fri 11/712:50 amPDX - BIS
1 stop8h 47mDelta
Deal found 7/28$259
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/191:55 pmBIS - SEA
2 stops11h 04mUnited Airlines
Sat 9/65:02 amSEA - BIS
1 stop5h 57mUnited Airlines
Deal found 7/28$264
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 8/301:22 pmBIS - SEA
1 stop8h 40mAmerican Airlines
Thu 9/411:40 amSEA - BIS
1 stop8h 46mAmerican Airlines
Deal found 7/27$301
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/235:20 pmBIS - GEG
1 stop5h 43mUnited Airlines
Tue 8/265:15 amGEG - BIS
1 stop5h 44mUnited Airlines
Deal found 7/27$319
This Delta deal was found by Cheapflights users on 7/27. 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 8/237:35 amBIS - GEG
2 stops10h 38mDelta
Tue 8/266:50 amGEG - BIS
1 stop7h 57mDelta
Deal found 7/27$323
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:00 amBIS - PDX
1 stop5h 28mUnited Airlines
Sat 8/231:45 pmPDX - BIS
2 stops7h 54mUnited Airlines
Deal found 7/29$344
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/216:23 amBIS - PDX
1 stop8h 32mAmerican Airlines
Mon 8/257:00 amPDX - BIS
2 stops13h 17mAmerican Airlines
Deal found 7/28$397
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 9/101:14 pmBIS - PSC
1 stop8h 31mDelta
Thu 9/186:45 amPSC - BIS
1 stop8h 06mDelta
Deal found 7/27$619
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 9/106:19 amBIS - PSC
2 stops11h 10mAmerican Airlines
Thu 9/185:00 amPSC - BIS
3 stops15h 18mAmerican Airlines
Deal found 7/27$1,830

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 July 29, 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

Mon 8/18

5:42 pm-11:54 pm

1 stop8h 12m

Seattle/Tacoma Intl

Sat 9/6

6:10 am-2:48 pm

1 stop6h 38m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 9/27

2:32 pm-9:27 pm

1 stop8h 55m

Portland

Sat 10/4

11:42 am-10:26 pm

1 stop8h 44m

$259

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Tue 8/19

1:55 pm-10:59 pm

2 stops11h 04m

Seattle/Tacoma Intl

Sat 9/6

5:02 am-12:59 pm

1 stop5h 57m

$264

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 8/19

7:35 am-6:00 pm

2 stops12h 25m

Portland

Fri 8/22

12:46 am-11:34 am

1 stop8h 48m

$264

BismarckSeattle

BIS - SEA

BISSEA

Bismarck

Sat 8/30

1:22 pm-8:02 pm

1 stop8h 40m

Seattle/Tacoma Intl

Thu 9/4

11:40 am-10:26 pm

1 stop8h 46m

$301

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Sat 8/23

5:20 pm-9:03 pm

1 stop5h 43m

Spokane

Tue 8/26

5:15 am-12:59 pm

1 stop5h 44m

$319

BismarckSpokane

BIS - GEG

BISGEG

Bismarck

Sat 8/23

7:35 am-4:13 pm

2 stops10h 38m

Spokane

Tue 8/26

6:50 am-4:47 pm

1 stop7h 57m

$323

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 8/19

6:00 am-9:28 am

1 stop5h 28m

Portland

Sat 8/23

5:00 am-12:59 pm

1 stop5h 59m

$339

BismarckPasco

BIS - PSC

BISPSC

Bismarck

Wed 9/10

1:14 pm-7:45 pm

1 stop8h 31m

Pasco Tri Cities

Thu 9/18

6:45 am-4:51 pm

1 stop8h 06m

$619

BismarckPasco

BIS - PSC

BISPSC

Bismarck

Wed 9/10

6:19 am-3:29 pm

2 stops11h 10m

Pasco Tri Cities

Thu 9/18

5:00 am-10:18 pm

3 stops15h 18m

$1,830

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 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, 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 $389). 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 July 29, 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.

How much does it cost to fly round-trip from Bismarck 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 July 29, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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.

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

    While some choose either Bismarck - Portland or Bismarck - Spokane, Bismarck - Seattle/Tacoma Intl 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 $389). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$489FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$403FlexibilityNo cancel feeOn-timeN/A

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