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Bismarck

$249+ Cheap flights from Washington to Bismarck (BIS)

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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Washington to Bismarck

Keep the following information in mind while searching for Washington to Bismarck flight deals. Data was last updated September 17, 2025.

Round-trip from

$259
(United Airlines)

One-way from

$249
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$569
From Washington to Bismarck
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One-way flight from Washington to Bismarck
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($12 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 Washington to Bismarck

Cheapest flights from Washington to Bismarck
Explore the most affordable flight options available from Washington to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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 11/193:48 pmSEA - BIS
1 stop5h 51mUnited Airlines
Sun 11/235:45 amBIS - SEA
1 stop6h 50mUnited Airlines
Deal found 9/16$259
This Delta deal was found by Cheapflights users on 9/17. 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 10/811:55 pmSEA - BIS
1 stop8h 45mDelta
Wed 2/117:31 amBIS - SEA
1 stop7h 29mDelta
Deal found 9/17$274
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:05 amPSC - BIS
2 stops12h 32mDelta
Mon 11/31:14 pmBIS - PSC
1 stop8h 26mDelta
Deal found 9/16$279
This Delta deal was found by Cheapflights users on 9/17. 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 10/27:25 pmGEG - BIS
2 stops13h 12mDelta
Mon 10/67:30 amBIS - GEG
1 stop7h 48mDelta
Deal found 9/17$289
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/13:35 pmSEA - BIS
1 stop6h 04mUnited Airlines
Sun 10/56:00 amBIS - SEA
1 stop5h 59mUnited Airlines
Deal found 9/16$289
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/18:35 amPDX - BIS
1 stop5h 54mUnited Airlines
Sun 10/56:00 amBIS - PDX
1 stop5h 29mUnited Airlines
Deal found 9/16$289
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/88:42 amSEA - BIS
2 stops12h 57mUnited Airlines
Wed 2/115:30 amBIS - SEA
1 stop6h 25mUnited Airlines
Deal found 9/17$290
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/191:47 pmGEG - BIS
1 stop7h 52mUnited Airlines
Sun 11/235:15 pmBIS - GEG
1 stop5h 30mUnited Airlines
Deal found 9/17$322
This Delta deal was found by Cheapflights users on 9/17. 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 12/412:32 amPDX - BIS
1 stop8h 25mDelta
Mon 12/81:27 pmBIS - PDX
2 stops12h 48mDelta
Deal found 9/17$329
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:40 amPDX - BIS
1 stop8h 00mDelta
Mon 10/201:14 pmBIS - PDX
2 stops11h 26mDelta
Deal found 9/16$334
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/85:00 amSEA - BIS
1 stop6h 00mUnited Airlines
Sun 10/126:00 amBIS - SEA
1 stop5h 59mUnited Airlines
Deal found 9/17$338
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/54:02 pmPDX - BIS
1 stop5h 06mUnited Airlines
Mon 12/85:15 pmBIS - PDX
1 stop6h 00mUnited Airlines
Deal found 9/15$339

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Bismarck 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 17, 2025.
Use the filters below to find and compare flights from Washington to Bismarck that are best for you.

Fly from

Washington

Fly to

Bismarck

Route

Depart

Return

Price

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 11/19

3:48 pm-11:39 pm

1 stop5h 51m

Bismarck

Sun 11/23

5:45 am-10:35 am

1 stop6h 50m

$259

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 3/11

4:05 pm-11:37 pm

1 stop5h 32m

Bismarck

Wed 3/18

9:15 am-6:36 pm

2 stops11h 21m

$264

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 10/8

11:55 pm-10:40 am

1 stop8h 45m

Bismarck

Wed 2/11

7:31 am-1:00 pm

1 stop7h 29m

$274

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 3/10

12:55 am-10:56 am

1 stop8h 01m

Bismarck

Wed 3/18

11:30 am-4:51 pm

1 stop7h 21m

$274

PascoBismarck

PSC - BIS

PSCBIS

Pasco Tri Cities

Thu 10/30

5:05 am-7:37 pm

2 stops12h 32m

Bismarck

Mon 11/3

1:14 pm-7:40 pm

1 stop8h 26m

$279

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 10/1

3:35 pm-11:39 pm

1 stop6h 04m

Bismarck

Sun 10/5

6:00 am-9:59 am

1 stop5h 59m

$289

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Thu 10/2

7:25 pm-10:37 am

2 stops13h 12m

Bismarck

Mon 10/6

7:30 am-1:18 pm

1 stop7h 48m

$289

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 10/1

8:35 am-4:29 pm

1 stop5h 54m

Bismarck

Sun 10/5

6:00 am-9:29 am

1 stop5h 29m

$289

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 10/16

12:40 am-10:40 am

1 stop8h 00m

Bismarck

Mon 10/20

1:14 pm-5:27 pm

1 stop6h 13m

$289

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 10/8

8:42 am-11:39 pm

2 stops12h 57m

Bismarck

Wed 2/11

5:30 am-9:55 am

1 stop6h 25m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 40 results
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Best time to book a flight from Washington to Bismarck

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

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

Currently, August is the cheapest month in which you can book a flight from State of Washington to Bismarck (average of $346). Flying from State of Washington to Bismarck in June is currently the most expensive (average of $425). 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 WA to BIS?

Find hourly flight availability from Washington to Bismarck. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

How much does it cost to fly round-trip from State of Washington to Bismarck?

Related info for your journey

Find useful and relevant information for your journey from Washington to Bismarck. 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 into for flights to Bismarck from Washington?

    For a flight from Washington to Bismarck, you will be flying into Bismarck. Bismarck (BIS) is just 2.5 mi from the center of the city.

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

    Airlines like United Airlines and Delta fly from State of Washington to Bismarck in about 5h 51m. The time it takes to get you to your destination can typically vary by up to 2h 54m. The distance from State of Washington to Bismarck is about 1011 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from State of Washington to Bismarck are United Airlines ($271), Delta ($271), and American Airlines ($271).

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

    The most popular route from State of Washington to Bismarck is Spokane - Bismarck. You may also consider Portland - Bismarck or Seattle/Tacoma Intl - Bismarck.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Bismarck (average of $346). Flying from State of Washington to Bismarck in June is currently the most expensive (average of $425). 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 3 airlines flying from Washington to Bismarck

Discover the top 3 airlines that operate flights from Washington to Bismarck. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$364FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$513FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$328Average$598FlexibilityNo cancel feeOn-time71%

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