Bismarck

$274+ Cheap flights from Idaho to Bismarck (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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIS
Mar 11 — Mar 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho 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 Idaho to Bismarck

Cheapest flights from Idaho to Bismarck
Explore the most affordable flight options available from Idaho to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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 5/68:02 am
BOI
-
BIS
2 stops11h 29m
United Airlines
Sat 5/95:03 pm
BIS
-
BOI
1 stop5h 14m
United Airlines
Deal found 2/8$274
This Delta deal was found by Cheapflights users on 2/8. 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 5/65:34 am
BOI
-
BIS
1 stop6h 04m
Delta
Sun 5/108:04 am
BIS
-
BOI
1 stop6h 15m
Delta
Deal found 2/8$304
This Delta deal was found by Cheapflights users on 2/8. 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 3/276:00 am
GEG
-
BIS
1 stop8h 06m
Delta
Tue 3/317:40 am
BIS
-
GEG
1 stop7h 30m
Delta
Deal found 2/8$304
This Delta deal was found by Cheapflights users on 2/9. 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 2/182:05 pm
GEG
-
BIS
1 stop7h 17m
Delta
Mon 2/237:25 am
BIS
-
GEG
1 stop7h 43m
Delta
Deal found 2/9$309
This Delta deal was found by Cheapflights users on 2/8. 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.
Tue 5/58:35 pm
BOI
-
BIS
2 stops22h 00m
Delta
Sun 5/108:04 am
BIS
-
BOI
1 stop6h 15m
Delta
Deal found 2/8$328
This United Airlines deal was found by Cheapflights users on 2/8. 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 5/52:26 pm
BOI
-
BIS
1 stop5h 05m
United Airlines
Sat 5/95:03 pm
BIS
-
BOI
1 stop5h 14m
United Airlines
Deal found 2/8$339
This United Airlines deal was found by Cheapflights users on 2/8. 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 4/221:43 pm
GEG
-
BIS
1 stop8h 00m
United Airlines
Sat 4/251:45 pm
BIS
-
GEG
2 stops9h 50m
United Airlines
Deal found 2/8$379
This Delta deal was found by Cheapflights users on 2/8. 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 9/163:25 pm
BOI
-
BIS
1 stop6h 49m
Delta
Sat 9/191:10 pm
BIS
-
BOI
2 stops11h 46m
Delta
Deal found 2/8$394
This United Airlines deal was found by Cheapflights users on 2/8. 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 10/271:45 pm
GEG
-
BIS
1 stop7h 52m
United Airlines
Sat 10/319:15 am
BIS
-
GEG
1 stop8h 04m
United Airlines
Deal found 2/8$409
This United Airlines deal was found by Cheapflights users on 2/8. 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 5/78:02 am
BOI
-
BIS
2 stops11h 29m
United Airlines
Sat 5/95:03 pm
BIS
-
BOI
1 stop5h 14m
United Airlines
Deal found 2/8$411
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 3/205:00 am
GEG
-
BIS
1 stop6h 03m
United Airlines
Tue 3/241:44 pm
BIS
-
GEG
2 stops9h 19m
United Airlines
Deal found 2/6$413
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/275:00 am
GEG
-
BIS
1 stop6h 03m
United Airlines
Tue 3/315:05 pm
BIS
-
GEG
1 stop6h 06m
United Airlines
Deal found 2/8$417

Find flight deals from Idaho to Bismarck

Keep the following information in mind while searching for Idaho to Bismarck flight deals. Data was last updated February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(United Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Bismarck flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Bismarck flights.
From Idaho to Bismarck

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 February 9, 2026.
Use the filters below to find and compare flights from Idaho to Bismarck that are best for you.

Fly from

Idaho

Fly to

Bismarck

Route

Depart

Return

Price

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 5/6

8:02 am-8:31 pm

2 stops11h 29m

Bismarck

Sat 5/9

5:03 pm-9:17 pm

1 stop5h 14m

$274

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Thu 5/7

2:25 pm-11:22 pm

1 stop7h 57m

Bismarck

Sun 5/10

8:04 am-1:19 pm

1 stop6h 15m

$304

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 5/6

5:34 am-12:38 pm

1 stop6h 04m

Bismarck

Sun 5/10

8:04 am-1:19 pm

1 stop6h 15m

$304

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Wed 4/22

2:08 pm-11:12 pm

1 stop7h 04m

Bismarck

Sat 4/25

8:05 am-1:03 pm

1 stop6h 58m

$304

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 3/27

6:00 am-4:06 pm

1 stop8h 06m

Bismarck

Tue 3/31

7:40 am-1:10 pm

1 stop7h 30m

$304

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 5/5

8:35 pm-7:35 pm

2 stops22h 00m

Bismarck

Sun 5/10

8:04 am-1:19 pm

1 stop6h 15m

$328

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 5/5

2:26 pm-8:31 pm

1 stop5h 05m

Bismarck

Sat 5/9

5:03 pm-9:17 pm

1 stop5h 14m

$339

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Thu 5/7

2:25 pm-11:22 pm

1 stop7h 57m

Bismarck

Sat 5/9

5:43 pm-11:40 pm

1 stop6h 57m

$339

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Thu 5/7

8:02 am-8:31 pm

2 stops11h 29m

Bismarck

Sat 5/9

5:03 pm-9:17 pm

1 stop5h 14m

$411

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 3/20

5:00 am-1:03 pm

1 stop6h 03m

Bismarck

Tue 3/24

1:44 pm-9:03 pm

2 stops9h 19m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 14 results
1
2

Best time to book a flight from Idaho to Bismarck

Have a flexible travel schedule? Discover the best time to fly to Bismarck from Idaho 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 Idaho to Bismarck
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Bismarck from Idaho?

    Located just 2.5 mi from the city center, Bismarck (BIS) is the airport most travelers will use when flying to Bismarck from Idaho.

  • How long is the flight from Idaho to Bismarck?

    There are many flights that can get you from Idaho to Bismarck in 7h 57m. Fly via United Airlines or Delta to get the fastest option. There are 783 mi between Idaho and Bismarck. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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

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 for Idaho to Bismarck

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Idaho to Bismarck

Discover the top 2 airlines that operate flights from Idaho 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$382FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.