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Bismarck

$147+ Cheap flights from Seattle to Bismarck (SEA - 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIS
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
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Cheap flight deals from Seattle to Bismarck

Cheapest flights from Seattle to Bismarck
Explore the most affordable flight options available from Seattle to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2026.

This United Airlines deal was found by Cheapflights users on 3/26. 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 4/255:00 am
SEA
-
BIS
1 stop5h 58m
United Airlines
Tue 4/285:05 pm
BIS
-
SEA
1 stop6h 01m
United Airlines
Deal found 3/26$311
This Delta deal was found by Cheapflights users on 3/25. 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 4/186:00 am
SEA
-
BIS
1 stop8h 36m
Delta
Tue 4/215:00 am
BIS
-
SEA
1 stop7h 55m
Delta
Deal found 3/25$339
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/1811:35 am
SEA
-
BIS
2 stops10h 08m
United Airlines
Tue 4/216:00 am
BIS
-
SEA
1 stop5h 46m
United Airlines
Deal found 3/25$344
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/215:00 am
SEA
-
BIS
1 stop5h 58m
United Airlines
Thu 4/306:00 am
BIS
-
SEA
1 stop5h 40m
United Airlines
Deal found 3/24$368
This Delta deal was found by Cheapflights users on 3/25. 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 6/1111:59 pm
SEA
-
BIS
1 stop8h 37m
Delta
Mon 6/155:42 pm
BIS
-
SEA
1 stop8h 17m
Delta
Deal found 3/25$409
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Tue 4/217:12 pm
SEA
-
BIS
2 stops37h 34m
Multiple Airlines
Thu 4/3011:36 am
BIS
-
SEA
1 stop10h 16m
Multiple Airlines
Deal found 3/24$410

Find flight deals from Seattle to Bismarck

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bismarck (BIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$311
(United Airlines)

One-way from

$147
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$547
Provider with most accurate pricing for Seattle/Tacoma Intl-Bismarck flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bismarck flights.
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From Seattle/Tacoma Intl to Bismarck
Search Deals
One-way flight from Seattle/Tacoma Intl to Bismarck
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 March 28, 2026.
Use the filters below to find and compare flights from Seattle to Bismarck that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Sat 4/25

5:00 am-12:58 pm

1 stop5h 58m

Bismarck

Tue 4/28

6:00 am-9:46 am

1 stop5h 46m

$325

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Sat 4/18

6:00 am-4:36 pm

1 stop8h 36m

Bismarck

Tue 4/21

5:00 am-10:55 am

1 stop7h 55m

$339

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Thu 6/11

11:59 pm-10:36 am

1 stop8h 37m

Bismarck

Mon 6/15

5:42 pm-11:59 pm

1 stop8h 17m

$409
Quickest round-trip

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 5/13

5:05 am-1:05 pm

1 stop6h 00m

Bismarck

Sun 5/17

6:00 am-9:40 am

1 stop5h 40m

$425

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Mon 4/20

11:59 pm-10:34 am

1 stop8h 35m

Bismarck

Mon 4/27

5:17 pm-11:54 pm

1 stop8h 37m

$449

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Thu 6/18

11:59 pm-10:36 am

1 stop8h 37m

Bismarck

Sun 6/21

5:42 pm-11:59 pm

1 stop8h 17m

$519
Cheapest one-way

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Wed 4/15

10:57 am-10:46 am

2 stops21h 49m

$202

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Tue 5/12

4:00 pm-10:29 am

2 stops16h 29m

$305
Quickest one-way

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Sat 4/25

12:10 pm-7:35 pm

1 stop5h 25m

$314

SeattleBismarck

SEA - BIS

SEABIS

Seattle/Tacoma Intl

Sun 5/10

11:59 pm-10:29 am

1 stop8h 30m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Bismarck

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Bismarck in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bismarck flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Bismarck flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Bismarck flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Bismarck

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

How much does it cost to fly round-trip from Seattle to Bismarck?

Reviews of airlines servicing Bismarck

Get insights into the airlines that provide service to Bismarck. 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 Bismarck. Reviews last updated March 28, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Seattle to Bismarck by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,356 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

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
8,356 reviews
Delta
7.9
Good
8,356 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

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
9,499 reviews
Delta
7.9
Good
8,356 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

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.
American Airlines
7.1
Good
11,520 reviews
Delta
7.9
Good
8,356 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

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 Seattle to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Bismarck?

    Departing from Seattle to Bismarck will take you 5h 58m. The distance between Seattle and Bismarck 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 flying from Seattle to Bismarck round-trip?

    Our cheapest airline available from Seattle to Bismarck is Delta. Our recent data shows that you can find tickets from as low as $219 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $292 and $305 round-trip. Delta is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

See more FAQs

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Top 3 airlines flying from Seattle to Bismarck

Discover the top 3 airlines that operate flights from Seattle 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 March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$448FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$292Average$486FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$305Average$462FlexibilityNo cancel feeOn-time69%

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