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Bismarck

$269+ Cheap flights from Boston to Bismarck (BOS - BIS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIS
Aug 20 — Aug 271
Wed 8/20
Wed 8/27
1 adult, Economy
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Cheap flight deals from Boston to Bismarck

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 August 15, 2025.

Round-trip from

$269
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$473
From Boston Logan Intl to Bismarck
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Boston to Bismarck

Cheapest flights from Boston to Bismarck
Explore the most affordable flight options available from Boston to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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 9/107:00 amBOS - BIS
1 stop6h 57mAmerican Airlines
Wed 9/171:32 pmBIS - BOS
1 stop6h 28mAmerican Airlines
Deal found 8/13$269
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/261:00 pmBOS - BIS
2 stops10h 26mAmerican Airlines
Mon 9/296:19 amBIS - BOS
2 stops11h 40mAmerican Airlines
Deal found 8/14$279
This Delta deal was found by Cheapflights users on 8/13. 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 8/295:34 amBOS - BIS
1 stop6h 05mDelta
Tue 9/25:42 pmBIS - BOS
1 stop5h 37mDelta
Deal found 8/13$319
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/297:00 amBOS - BIS
1 stop6h 52mAmerican Airlines
Tue 9/26:23 amBIS - BOS
2 stops11h 17mAmerican Airlines
Deal found 8/13$324
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/287:15 amBOS - BIS
1 stop8h 05mAmerican Airlines
Mon 9/16:23 amBIS - BOS
1 stop10h 02mAmerican Airlines
Deal found 8/13$441
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/1012:37 pmBOS - BIS
2 stops11h 06mAmerican Airlines
Wed 10/151:27 pmBIS - BOS
1 stop8h 35mAmerican Airlines
Deal found 8/13$509

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 August 15, 2025.
Use the filters below to find and compare flights from Boston to Bismarck that are best for you.

Fly from

Boston

Fly to

Bismarck

Route

Depart

Return

Price

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Fri 9/26

5:45 am-12:34 pm

1 stop7h 49m

Bismarck

Mon 9/29

5:32 pm-11:59 pm

1 stop5h 27m

$269

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Wed 9/10

7:00 am-12:57 pm

1 stop6h 57m

Bismarck

Wed 9/17

1:32 pm-9:00 pm

1 stop6h 28m

$269

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Fri 9/26

10:30 am-10:26 pm

2 stops12h 56m

Bismarck

Mon 9/29

2:32 pm-11:42 pm

1 stop8h 10m

$274

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Fri 8/29

5:34 am-10:39 am

1 stop6h 05m

Bismarck

Tue 9/2

5:42 pm-12:19 am

1 stop5h 37m

$319

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Fri 8/29

7:00 am-12:52 pm

1 stop6h 52m

Bismarck

Tue 9/2

6:23 am-6:40 pm

2 stops11h 17m

$324

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Thu 8/28

7:15 am-2:20 pm

1 stop8h 05m

Bismarck

Mon 9/1

6:23 am-5:25 pm

1 stop10h 02m

$441

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Fri 10/10

12:37 pm-10:43 pm

2 stops11h 06m

Bismarck

Wed 10/15

1:27 pm-11:02 pm

1 stop8h 35m

$509

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Tue 8/19

2:33 pm-10:17 pm

1 stop8h 44m

$332

BostonBismarck

BOS - BIS

BOSBIS

Boston Logan Intl

Tue 8/19

3:37 pm-12:15 pm

3 stops45h 38m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Boston to Bismarck

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

What is the cheapest month to book a flight from Boston to Bismarck?

Currently, August is the cheapest month in which you can book a flight from Boston to Bismarck (average of $346). Flying from Boston to Bismarck in June is currently the most expensive (average of $427). 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.

How much does it cost to fly round-trip from Boston 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 August 15, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Boston to Bismarck to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,982 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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

  • What are the cheapest airlines flying from Boston to Bismarck round-trip?

    Our cheapest airline available from Boston to Bismarck is Delta. Our recent data shows that you can find tickets from as low as $268 on this airline. An additional option worth looking into is American Airlines, starting at $268. Delta is currently priced 51% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Bismarck?

    Currently, August is the cheapest month in which you can book a flight from Boston to Bismarck (average of $346). Flying from Boston to Bismarck in June is currently the most expensive (average of $427). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Boston to Bismarck

Discover the top 2 airlines that operate flights from Boston 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 August 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$439FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$403FlexibilityNo cancel feeOn-time71%

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