$439+ Cheap flights from Boise to Bismarck (BOI - 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIS
Nov 25 — Dec 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise 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 Boise to Bismarck
Cheapest
Best
Last-minute
Cheapest flights from Boise to BismarckExplore the most affordable flight options available from Boise to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Boise to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop5h 27m
Fri 11/135:40 pm -
1 stop7h 19m
Deal found 10/21![Delta logo]()
$702
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop8h 08m
Thu 11/125:40 pm -
1 stop7h 19m
Deal found 10/24![Delta logo]()
$737
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Fri 12/189:04 am -
1 stop9h 57m
Sun 12/2711:38 am -
2 stops28h 13m
Deal found 10/24![Multiple Airlines logo]()
$862
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:30 am -
1 stop8h 08m
Fri 10/305:39 pm -
1 stop7h 20m
Deal found 10/21![Delta logo]()
$872
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 10/268:15 am -
2 stops11h 14m
Fri 10/305:50 am -
2 stops11h 52m
Deal found 10/21![United Airlines logo]()
$1,004
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Fri 12/1811:55 am -
2 stops10h 49m
Sun 12/275:30 am -
2 stops41h 06m
Deal found 10/24![United Airlines logo]()
$1,237
Best flights from Boise to BismarckDiscover carefully curated flight deals from Boise to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Boise to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 1/85:28 pm -
1 stop5h 16m
Mon 1/114:58 pm -
1 stop5h 35m
Deal found 10/21![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop5h 27m
Fri 11/135:40 pm -
1 stop7h 19m
Deal found 10/21![Delta logo]()
$702
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop8h 08m
Thu 11/125:40 pm -
1 stop7h 19m
Deal found 10/24![Delta logo]()
$737
Last-minute flights from Boise to BismarckDiscover last-minute flight deals from Boise to Bismarck. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Bismarck. Data last updated October 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:30 am -
1 stop8h 08m
Fri 10/305:39 pm -
1 stop7h 20m
Deal found 10/21![Delta logo]()
$872
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 10/268:15 am -
2 stops11h 14m
Fri 10/305:50 am -
2 stops11h 52m
Deal found 10/21![United Airlines logo]()
$1,004
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop8h 08m
Thu 11/125:40 pm -
1 stop7h 19m
Deal found 10/24![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop5h 27m
Fri 11/135:40 pm -
1 stop7h 19m
Deal found 10/21![Delta logo]()
$702
Find flight deals from Boise to Bismarck
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
Popular in | September |
Cheapest in | November |
Average price | $370 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 October 26, 2026.
Use the filters below to find and compare flights from Boise to Bismarck that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Fri 1/8
5:28 pm-11:44 pm
1 stop5h 16m
Bismarck
Mon 1/11
4:58 pm-9:33 pm
1 stop5h 35m
$439
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Mon 11/9
5:30 am-11:57 am
1 stop5h 27m
Bismarck
Fri 11/13
5:40 pm-11:59 pm
1 stop7h 19m
$702
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Sun 11/8
5:30 am-2:38 pm
1 stop8h 08m
Bismarck
Thu 11/12
5:40 pm-11:59 pm
1 stop7h 19m
$737
Sorted by cheapest first
Compare providers for flights from Boise 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 Boise to Bismarck in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Bismarck flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Bismarck flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Bismarck flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-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 Boise-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 Boise to Bismarck
Have a flexible travel schedule? Discover the best time to fly to Bismarck from Boise with our price prediction graph.
BOI-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 October 26, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Boise 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.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Boise to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Bismarck flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boise
Popular flights
Alternative routes for Boise to Bismarck
See prices for flight routes from nearby airports that may be better suited for you.
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 October 26, 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 Boise to Bismarck by cabin class
Find flights from Boise to Bismarck, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Bismarck flights
Browse other Boise and Bismarck flight options. Last updated on October 26, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Boise to Bismarck
Discover the top 2 airlines that operate flights from Boise 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 October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$264 | Average$373 | FlexibilityNo cancel fee | On-time69% |