HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bismarck

$249+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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.

Find 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 November 3, 2025.

This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:15 pmGEG - BIS
1 stop7h 23mDelta
Sun 12/77:25 amBIS - GEG
1 stop7h 53mDelta
Deal found 11/3$249
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:35 amBOI - BIS
1 stop6h 05mDelta
Sat 11/225:35 pmBIS - BOI
1 stop7h 34mDelta
Deal found 11/3$279
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 11/181:47 pmGEG - BIS
1 stop7h 52mUnited Airlines
Sat 11/225:15 pmBIS - GEG
1 stop5h 30mUnited Airlines
Deal found 11/3$279
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:00 amGEG - BIS
2 stops11h 47mDelta
Sat 11/223:56 pmBIS - GEG
1 stop6h 07mDelta
Deal found 11/3$284
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/285:10 amGEG - BIS
1 stop6h 01mUnited Airlines
Sun 11/309:30 pmBIS - GEG
1 stop6h 14mUnited Airlines
Deal found 11/3$311
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 11/115:17 pmBOI - BIS
1 stop5h 22mUnited Airlines
Sat 11/151:56 pmBIS - BOI
1 stop5h 13mUnited Airlines
Deal found 11/3$339
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/211:47 pmGEG - BIS
1 stop7h 52mUnited Airlines
Sun 11/235:15 pmBIS - GEG
1 stop5h 30mUnited Airlines
Deal found 11/3$353
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 11/64:05 pmGEG - BIS
1 stop5h 34mUnited Airlines
Mon 11/109:08 amBIS - GEG
1 stop5h 37mUnited Airlines
Deal found 11/3$354
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:10 pmGEG - BIS
2 stops8h 06mDelta
Mon 11/101:20 pmBIS - GEG
1 stop8h 43mDelta
Deal found 11/3$359
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/71:47 pmGEG - BIS
1 stop7h 52mUnited Airlines
Sun 11/99:08 amBIS - GEG
1 stop5h 37mUnited Airlines
Deal found 11/3$369
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 12/21:50 pmBOI - BIS
2 stops8h 18mUnited Airlines
Thu 12/45:45 amBIS - BOI
2 stops8h 50mUnited Airlines
Deal found 11/3$487
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/215:17 pmBOI - BIS
1 stop5h 22mUnited Airlines
Sun 11/309:30 pmBIS - BOI
2 stops17h 00mUnited Airlines
Deal found 11/3$512

Cheap flight deals from Idaho to Bismarck

Keep the following information in mind while searching for Idaho to Bismarck flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

Popular in

December

Cheapest in

April

Average price

$298
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Bismarck flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Bismarck flights.
Search Deals
From Idaho to Bismarck
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 3, 2025.
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 4/15

5:40 am-12:41 pm

1 stop6h 01m

Bismarck

Sat 4/18

7:31 am-2:03 pm

1 stop7h 32m

$249

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 12/5

2:15 pm-11:38 pm

1 stop7h 23m

Bismarck

Sun 12/7

7:25 am-1:18 pm

1 stop7h 53m

$249

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Tue 11/18

1:47 pm-11:39 pm

1 stop7h 52m

Bismarck

Sat 11/22

5:15 pm-8:45 pm

1 stop5h 30m

$279

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 11/18

5:35 am-12:40 pm

1 stop6h 05m

Bismarck

Sat 11/22

5:35 pm-12:09 am

1 stop7h 34m

$279

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Tue 11/18

6:00 am-7:47 pm

2 stops11h 47m

Bismarck

Sat 11/22

3:56 pm-8:03 pm

1 stop6h 07m

$284

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Wed 4/15

2:05 pm-11:14 pm

1 stop7h 09m

Bismarck

Sat 4/18

5:30 pm-11:04 pm

1 stop7h 34m

$294

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 11/28

5:10 am-1:11 pm

1 stop6h 01m

Bismarck

Sun 11/30

9:30 pm-1:44 am

1 stop6h 14m

$311

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 4/15

2:11 pm-11:37 pm

2 stops8h 26m

Bismarck

Sat 4/18

1:30 pm-5:55 pm

1 stop5h 25m

$324

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 11/21

1:47 pm-11:39 pm

1 stop7h 52m

Bismarck

Sun 11/23

5:15 pm-8:45 pm

1 stop5h 30m

$353

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 12/2

1:50 pm-11:08 pm

2 stops8h 18m

Bismarck

Thu 12/4

5:45 am-1:35 pm

2 stops8h 50m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 12 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

How much does it cost to fly round-trip from Idaho to Bismarck?

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 6h 01m. Fly via Delta or United Airlines 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.
Denver to Fargo flights
O'Hare Intl to Fargo flights
Dallas/Fort Worth to Fargo flights
John F Kennedy Intl to Fargo flights
Columbus to Fargo flights
Newark to Fargo flights
Denver to Bismarck flights
Tulsa to Fargo flights
Seattle to Fargo flights
LaGuardia to Fargo flights
Tampa to Fargo flights
Chattanooga to Bismarck flights
Tampa to Bismarck flights
Hobby to Fargo flights
San Diego to Bismarck flights
Sky Harbor Intl to Fargo flights
Sacramento to Fargo flights
Ontario to Fargo flights
Reagan-National to Fargo flights
Hobby to Grand Forks flights
Baltimore to Fargo flights
Dulles Intl to Fargo flights
Orlando to Fargo flights
Midway to Fargo flights
Minneapolis to Fargo flights
Portland to Fargo flights
Columbus to Bismarck flights
George Bush Intcntl to Fargo flights
Omaha to Grand Forks flights
Orlando to Minot flights
Minneapolis to Bismarck flights
Denver to Minot flights
Boston to Fargo flights
Charlotte to Fargo flights
San Diego to Fargo flights
Reagan-National to Bismarck flights
Nashville to Fargo flights
Raleigh to Fargo flights
Newark to Bismarck flights
Dulles Intl to Bismarck flights
O'Hare Intl to Bismarck flights
Atlanta to Fargo flights
Miami to Fargo flights
Minneapolis to Minot flights
John F Kennedy Intl to Bismarck flights
Seattle to Bismarck flights
Eugene to Fargo flights
Los Angeles to Fargo flights
Minneapolis to Grand Forks flights
John F Kennedy Intl to Minot flights

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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$449FlexibilityNo 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.