$329+ Cheap flights from Boston to Bismarck (BOS - 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIS
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Bismarck with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Bismarck
Cheapest
Best
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One-way
Cheapest flights from Boston to BismarckExplore 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 21, 2026.
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 21, 2026.
This Delta deal was found by Cheapflights users on 8/20. 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 9/58:15 am -
1 stop5h 32m
Wed 9/91:17 pm -
1 stop7h 56m
Deal found 8/20![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 8/18. 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 10/75:50 am -
1 stop7h 10m
Mon 10/123:18 pm -
1 stop8h 02m
Deal found 8/18![Delta logo]()
$397
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:54 am -
1 stop7h 29m
Tue 10/2712:56 pm -
1 stop8h 41m
Deal found 8/17![American Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/25:08 pm -
1 stop7h 30m
Sun 9/66:00 am -
2 stops10h 36m
Deal found 8/18![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 8/18. 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 9/265:55 am -
1 stop7h 42m
Tue 10/133:18 pm -
1 stop8h 02m
Deal found 8/18![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop7h 36m
Mon 9/211:13 pm -
1 stop6h 47m
Deal found 8/17![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop7h 36m
Tue 10/132:07 pm -
1 stop7h 43m
Deal found 8/17![American Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 9/217:00 am -
1 stop6h 36m
Wed 9/301:13 pm -
1 stop6h 47m
Deal found 8/16![American Airlines logo]()
$463
Best flights from Boston to BismarckDiscover carefully curated flight deals from Boston to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Boston to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Delta deal was found by Cheapflights users on 8/17. 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 9/308:15 am -
1 stop5h 22m
Mon 10/55:40 pm -
1 stop5h 18m
Deal found 8/17![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 8/18. 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 1/81:30 pm -
2 stops11h 07m
Tue 1/125:45 am -
2 stops9h 41m
Deal found 8/18![United Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 8/19. 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 10/2411:21 am -
2 stops12h 38m
Tue 10/277:00 am -
2 stops11h 14m
Deal found 8/19![American Airlines logo]()
$545
This Delta deal was found by Cheapflights users on 8/18. 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 10/75:50 am -
1 stop7h 10m
Mon 10/123:18 pm -
1 stop8h 02m
Deal found 8/18![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 8/19. 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 11/54:45 pm -
1 stop7h 59m
Mon 11/95:50 am -
2 stops10h 34m
Deal found 8/19![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/246:00 am -
2 stops11h 25m
Tue 10/279:00 am -
2 stops13h 59m
Deal found 8/21![United Airlines logo]()
$544
Last-minute flights from Boston to BismarckDiscover last-minute flight deals from Boston to Bismarck. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Bismarck. Data last updated August 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/25:08 pm -
1 stop7h 30m
Sun 9/66:00 am -
2 stops10h 36m
Deal found 8/18![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 8/20. 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 9/58:15 am -
1 stop5h 32m
Wed 9/91:17 pm -
1 stop7h 56m
Deal found 8/20![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/55:51 am -
1 stop8h 34m
Wed 9/97:12 am -
2 stops10h 47m
Deal found 8/20![American Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/59:00 am -
2 stops12h 33m
Wed 9/96:00 am -
2 stops12h 19m
Deal found 8/20![United Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop7h 36m
Mon 9/211:13 pm -
1 stop6h 47m
Deal found 8/17![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 9/217:00 am -
1 stop6h 36m
Wed 9/301:13 pm -
1 stop6h 47m
Deal found 8/16![American Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 8/18. 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 9/265:55 am -
1 stop7h 42m
Tue 10/133:18 pm -
1 stop8h 02m
Deal found 8/18![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/266:00 am -
1 stop7h 36m
Tue 10/132:07 pm -
1 stop7h 43m
Deal found 8/20![American Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 8/17. 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 9/308:15 am -
1 stop5h 22m
Mon 10/55:40 pm -
1 stop5h 18m
Deal found 8/17![Delta logo]()
$397
One-way flights from Boston to BismarckSearch for one-way flight options from Boston to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Boston to Bismarck. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/269:30 am -
1 stop7h 55m
Deal found 8/19![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/11:02 pm -
1 stop10h 42m
Deal found 8/18![American Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/18:05 am -
2 stops13h 28m
Deal found 8/18![United Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/176:00 am -
1 stop7h 36m
Deal found 8/18![American Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/1111:47 am -
3 stops34h 35m
Deal found 8/21![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/1312:57 pm -
3 stops32h 43m
Deal found 8/21![Multiple Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Mon 10/1212:15 pm -
2 stops11h 44m
Deal found 8/21![American Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/176:00 am -
3 stops18h 38m
Deal found 8/18![United Airlines logo]()
$712
Find 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $377 (Delta) |
One-way from | $329 (United Airlines) |
Popular in | May |
Cheapest in | November |
Average price | $670 |
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 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Boston to Bismarck that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Wed 9/30
8:15 am-12:37 pm
1 stop5h 22m
Bismarck
Mon 10/5
5:40 pm-11:58 pm
1 stop5h 18m
$397
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Wed 10/7
5:50 am-12:00 pm
1 stop7h 10m
Bismarck
Mon 10/12
3:18 pm-12:20 am
1 stop8h 02m
$397
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Fri 1/8
1:30 pm-11:37 pm
2 stops11h 07m
Bismarck
Tue 1/12
5:45 am-4:26 pm
2 stops9h 41m
$430
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Thu 11/5
4:45 pm-11:44 pm
1 stop7h 59m
Bismarck
Mon 11/9
5:50 am-5:24 pm
2 stops10h 34m
$490
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Sat 10/24
6:00 am-4:25 pm
2 stops11h 25m
Bismarck
Tue 10/27
9:00 am-11:59 pm
2 stops13h 59m
$544
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Sat 10/24
11:21 am-10:59 pm
2 stops12h 38m
Bismarck
Tue 10/27
7:00 am-7:14 pm
2 stops11h 14m
$545
Cheapest one-way
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Sat 9/26
9:30 am-4:25 pm
1 stop7h 55m
$329
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Tue 9/1
1:02 pm-10:44 pm
1 stop10h 42m
$387
Quickest one-way
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Tue 10/13
5:50 am-12:00 pm
1 stop7h 10m
$387
BostonBismarck
BOS Boston Logan Intl - BIS Bismarck
BOSBIS
Boston Logan Intl
Tue 10/13
12:00 pm-10:59 pm
2 stops11h 59m
$392
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Boston 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 Boston to Bismarck in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Bismarck flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-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 Boston-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 Boston to Bismarck
Have a flexible travel schedule? Discover the best time to fly to Bismarck from Boston with our price prediction graph.
BOS-BIS
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.
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 21, 2026.
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.
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
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.
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Other flights to Bismarck
Explore flights to Bismarck departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Complete your trip
Complete your trip to Bismarck by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Bismarck by cabin class
Find flights from Boston to Bismarck, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Bismarck flights
Browse other Boston and Bismarck flight options. Last updated on August 21, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$682 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$310 | Average$691 | FlexibilityNo cancel fee | On-time71% |