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Bismarck

$173+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

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 12/315:05 amGEG - BIS
1 stop6h 05mUnited Airlines
Sun 1/48:10 amBIS - GEG
1 stop6h 35mUnited Airlines
Deal found 12/16$340
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/195:30 amPDX - BIS
2 stops9h 26mDelta
Sun 12/211:28 pmBIS - PDX
2 stops12h 27mDelta
Deal found 12/17$569
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/1912:54 pmPDX - BIS
1 stop5h 22mUnited Airlines
Sun 12/215:45 amBIS - PDX
1 stop6h 16mUnited Airlines
Deal found 12/17$664
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.
Mon 12/225:54 pmSEA - BIS
2 stops27h 58mUnited Airlines
Mon 1/55:10 pmBIS - SEA
1 stop8h 02mUnited Airlines
Deal found 12/16$688
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:15 pmBLI - BIS
2 stops42h 09mMultiple Airlines
Tue 12/238:58 pmBIS - BLI
1 stop23h 40mMultiple Airlines
Deal found 12/17$699
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/196:00 amGEG - BIS
2 stops8h 56mDelta
Fri 12/267:38 amBIS - GEG
1 stop6h 46mDelta
Deal found 12/17$734
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/194:00 pmGEG - BIS
1 stop5h 52mUnited Airlines
Fri 12/265:10 pmBIS - GEG
1 stop5h 48mUnited Airlines
Deal found 12/17$758
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.
Wed 12/242:45 pmPDX - BIS
1 stop7h 07mUnited Airlines
Sun 12/288:10 amBIS - PDX
1 stop27h 51mUnited Airlines
Deal found 12/15$764
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:32 pmBLI - BIS
1 stop25h 57mAllegiant Air
Tue 12/238:58 pmBIS - BLI
1 stop23h 40mAllegiant Air
Deal found 12/17$770
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.
Thu 12/1812:54 pmPDX - BIS
1 stop5h 22mUnited Airlines
Fri 12/198:10 amBIS - PDX
1 stop27h 51mUnited Airlines
Deal found 12/16$786
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:40 pmPDX - BIS
1 stop7h 21mAmerican Airlines
Fri 12/192:39 pmBIS - PDX
2 stops12h 59mAmerican Airlines
Deal found 12/16$861
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 12/243:50 pmSEA - BIS
1 stop6h 02mUnited Airlines
Sun 12/285:45 amBIS - SEA
1 stop19h 27mUnited Airlines
Deal found 12/16$942

Find flight deals from Washington to Bismarck

Keep the following information in mind while searching for Washington to Bismarck flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Delta)

One-way from

$173
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$538
Provider with most accurate pricing for Seattle/Tacoma Intl-Bismarck flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bismarck flights.
Search Deals
From Washington to Bismarck
Search Deals
One-way flight from Washington to Bismarck
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 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 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 December 18, 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

Thu 1/1

8:57 am-4:30 pm

1 stop5h 33m

Bismarck

Mon 1/5

5:10 pm-11:12 pm

1 stop8h 02m

$309

PascoBismarck

PSC - BIS

PSCBIS

Pasco Tri Cities

Sat 1/24

5:00 am-12:51 pm

1 stop5h 51m

Bismarck

Tue 1/27

5:10 pm-9:13 pm

1 stop6h 03m

$321

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Tue 3/24

3:35 pm-11:36 pm

1 stop6h 01m

Bismarck

Mon 3/30

5:00 pm-11:53 pm

1 stop8h 53m

$329

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Sat 2/7

5:00 am-12:51 pm

1 stop5h 51m

Bismarck

Tue 2/10

5:10 pm-9:22 pm

1 stop6h 12m

$339

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 1/1

9:00 am-4:30 pm

1 stop5h 30m

Bismarck

Mon 1/5

1:49 pm-5:32 pm

1 stop5h 43m

$344

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 1/28

1:24 pm-8:38 pm

1 stop5h 14m

Bismarck

Sat 1/31

5:30 am-9:45 am

1 stop6h 15m

$351

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 1/14

1:24 pm-11:30 pm

1 stop8h 06m

Bismarck

Sat 1/17

5:30 am-9:45 am

1 stop6h 15m

$389

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 2/4

12:35 pm-8:38 pm

1 stop6h 03m

Bismarck

Sat 2/7

1:35 pm-6:26 pm

1 stop6h 51m

$400

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Fri 2/27

3:16 pm-11:43 pm

1 stop6h 27m

Bismarck

Sat 2/28

1:43 pm-6:03 pm

1 stop6h 20m

$404

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Tue 1/27

9:25 am-11:30 pm

2 stops12h 05m

Bismarck

Fri 1/30

5:10 pm-6:26 pm

1 stop27h 16m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 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, June is the cheapest month in which you can book a flight from State of Washington to Bismarck (average of $207). Flying from State of Washington to Bismarck in December is currently the most expensive (average of $474). 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 December 18, 2025.

One of the essential ways to save on airfare from State of Washington to Bismarck is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 34% on airfare.

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 33m. The time it takes to get you to your destination can typically vary by up to 28m. The distance from State of Washington to Bismarck is about 1011 mi. This flight may include one or multiple stops.

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

    The most popular route from State of Washington to Bismarck is Seattle/Tacoma Intl - Bismarck. You may also consider Spokane - Bismarck or Portland - 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, June is the cheapest month in which you can book a flight from State of Washington to Bismarck (average of $207). Flying from State of Washington to Bismarck in December is currently the most expensive (average of $474). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$474FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$363FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$328Average$494FlexibilityNo cancel feeOn-time71%

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