$252+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIS
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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
One-way
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 September 7, 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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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 10/15:30 am -
1 stop6h 07m
Sun 10/45:40 pm -
1 stop7h 19m
Deal found 9/2![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 9/4. 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 10/75:30 am -
1 stop5h 30m
Sun 10/115:39 pm -
1 stop7h 20m
Deal found 9/4![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/1112:00 pm -
2 stops10h 44m
Sat 11/149:00 am -
1 stop5h 45m
Deal found 9/6![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 9/2. 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 11/125:15 am -
1 stop5h 42m
Sat 11/148:03 am -
1 stop6h 48m
Deal found 9/2![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/1212:15 pm -
1 stop8h 31m
Sat 11/146:42 am -
1 stop8h 09m
Deal found 9/5![American Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Thu 10/82:50 pm -
2 stops29h 04m
Sun 10/1110:45 pm -
1 stop16h 10m
Deal found 9/4![Multiple Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 9/4. 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 10/22:50 pm -
1 stop7h 21m
Fri 10/95:39 pm -
1 stop7h 20m
Deal found 9/4![Delta logo]()
$459
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 September 7, 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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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 10/15:30 am -
1 stop6h 07m
Sun 10/45:40 pm -
1 stop7h 19m
Deal found 9/2![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/1112:00 pm -
2 stops10h 44m
Sat 11/149:00 am -
1 stop5h 45m
Deal found 9/6![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 9/2. 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 11/125:15 am -
1 stop5h 42m
Sat 11/148:03 am -
1 stop6h 48m
Deal found 9/2![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/3. 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 1/85:26 pm -
1 stop5h 25m
Mon 1/115:08 pm -
1 stop5h 27m
Deal found 9/3![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 9/4. 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 10/22:50 pm -
1 stop7h 21m
Fri 10/95:39 pm -
1 stop7h 20m
Deal found 9/4![Delta logo]()
$459
Last-minute flights from Boise to BismarckDiscover last-minute flight deals from Boise to Bismarck. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Bismarck. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/175:40 pm -
1 stop4h 58m
Mon 9/216:12 pm -
1 stop5h 28m
Deal found 9/2![United Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/215:40 pm -
1 stop4h 58m
Fri 9/256:00 am -
1 stop4h 34m
Deal found 9/6![United Airlines logo]()
$757
This Delta deal was found by Cheapflights users on 9/2. 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 9/282:50 pm -
1 stop7h 21m
Thu 10/18:01 am -
1 stop6h 43m
Deal found 9/2![Delta logo]()
$603
This Delta deal was found by Cheapflights users on 9/2. 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 10/15:30 am -
1 stop6h 07m
Sun 10/45:40 pm -
1 stop7h 19m
Deal found 9/2![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 9/4. 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 10/22:50 pm -
1 stop7h 21m
Fri 10/95:39 pm -
1 stop7h 20m
Deal found 9/4![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/21:50 pm -
1 stop8h 02m
Fri 10/92:07 pm -
1 stop9h 22m
Deal found 9/4![American Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 9/4. 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 10/75:30 am -
1 stop5h 30m
Sun 10/115:39 pm -
1 stop7h 20m
Deal found 9/4![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/76:50 pm -
2 stops17h 11m
Sun 10/116:00 am -
1 stop4h 34m
Deal found 9/4![United Airlines logo]()
$680
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Thu 10/82:50 pm -
2 stops29h 04m
Sun 10/1110:45 pm -
1 stop16h 10m
Deal found 9/4![Multiple Airlines logo]()
$418
One-way flights from Boise to BismarckSearch for one-way flight options from Boise to Bismarck. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Boise to Bismarck. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Mon 10/52:50 pm -
3 stops52h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/82:41 pm -
1 stop7h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 9/4. 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 10/75:30 am -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/55:30 pm -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 9/4. 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 10/81:06 pm -
2 stops9h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/165:40 pm -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/78:00 am -
2 stops13h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$452
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $334 (Delta) |
One-way from | $252 (Kiwi.com) |
Popular in | September |
Cheapest in | November |
Average price | $473 |
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 September 7, 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
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Thu 10/8
2:41 pm-10:59 pm
1 stop7h 18m
Bismarck
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$274
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Wed 10/7
5:30 am-2:38 pm
1 stop8h 08m
Bismarck
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$284
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Mon 10/5
5:30 pm-11:43 pm
1 stop5h 13m
Bismarck
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$313
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Thu 10/8
1:06 pm-11:25 pm
2 stops9h 19m
Bismarck
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$315
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Thu 10/1
5:30 am-12:37 pm
1 stop6h 07m
Bismarck
Sun 10/4
5:40 pm-11:59 pm
1 stop7h 19m
$334
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Wed 11/11
12:00 pm-11:44 pm
2 stops10h 44m
Bismarck
Sat 11/14
9:00 am-1:45 pm
1 stop5h 45m
$344
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Thu 11/12
5:15 am-11:57 am
1 stop5h 42m
Bismarck
Sat 11/14
8:03 am-1:51 pm
1 stop6h 48m
$364
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Wed 9/16
11:50 am-11:38 pm
2 stops10h 48m
Bismarck
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$374
Quickest round-trip
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Tue 9/15
2:41 pm-8:18 pm
1 stop4h 37m
Bismarck
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$397
BoiseBismarck
BOI Boise Air Term. Gowen Fld - BIS Bismarck
BOIBIS
Boise Air Term. Gowen Fld
Fri 1/8
5:26 pm-11:51 pm
1 stop5h 25m
Bismarck
Mon 1/11
5:08 pm-9:35 pm
1 stop5h 27m
$444
Showing 1-10 of 12 resultsSorted 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 September.
| 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 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 September 7, 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
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - 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.
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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 September 7, 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 September 7, 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 September 7, 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$308 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$264 | Average$373 | FlexibilityNo cancel fee | On-time69% |