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Cheap flights from Idaho to Bismarck from $254

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Bismarck departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Bismarck

Cheap round-trip flights

Delta Logo
5:30 am - 12:34 pmBOI-BIS
6h 04m1 stop
Delta Logo
5:42 pm - 11:56 pmBIS-BOI
7h 14m1 stop
$254Delta
Find Deal
Tue, Aug 19 - Tue, Aug 26
Delta Logo
5:30 am - 12:34 pmBOI-BIS
6h 04m1 stop
Delta Logo
1:14 pm - 11:00 pmBIS-BOI
10h 46m2 stops
$259Delta
Find Deal
Tue, Aug 19 - Tue, Aug 26
Delta Logo
2:21 pm - 11:18 pmGEG-BIS
6h 57m1 stop
Delta Logo
5:42 pm - 11:48 pmBIS-GEG
8h 06m1 stop
$259Delta
Find Deal
Thu, Aug 21 - Mon, Aug 25
American Airlines Logo
6:35 am - 10:17 pmBOI-BIS
14h 42m2 stops
American Airlines Logo
6:23 am - 8:10 pmBIS-BOI
14h 47m2 stops
$264American Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
United Airlines Logo
2:13 pm - 11:39 pmBOI-BIS
8h 26m2 stops
United Airlines Logo
6:00 am - 1:30 pmBIS-BOI
8h 30m2 stops
$269United Airlines
Find Deal
Wed, Aug 20 - Sun, Aug 24
Delta Logo
5:30 am - 12:34 pmBOI-BIS
6h 04m1 stop
Delta Logo
5:42 pm - 11:56 pmBIS-BOI
7h 14m1 stop
$284Delta
Find Deal
Tue, Aug 19 - Tue, Aug 26
American Airlines Logo
6:35 am - 10:17 pmBOI-BIS
14h 42m2 stops
American Airlines Logo
6:23 am - 8:10 pmBIS-BOI
14h 47m2 stops
$294American Airlines
Find Deal
Tue, Aug 19 - Tue, Aug 26
United Airlines Logo
5:00 am - 10:35 amBOI-BIS
4h 35m1 stop
United Airlines Logo
5:20 pm - 10:21 pmBIS-BOI
6h 01m1 stop
$324United Airlines
Find Deal
Wed, Aug 20 - Thu, Aug 28
United Airlines Logo
2:13 pm - 11:39 pmBOI-BIS
8h 26m2 stops
United Airlines Logo
5:20 pm - 10:21 pmBIS-BOI
6h 01m1 stop
$329United Airlines
Find Deal
Wed, Aug 20 - Thu, Aug 28
American Airlines Logo
1:36 pm - 10:17 pmBOI-BIS
7h 41m1 stop
American Airlines Logo
6:23 am - 8:10 pmBIS-BOI
14h 47m2 stops
$331American Airlines
Find Deal
Wed, Aug 20 - Wed, Aug 27

Delta flights from Idaho to Bismarck

Our best Delta deals on Idaho to Bismarck flight tickets
Delta
Aug 19
BOI5:30 amBoise Air Term. Gowen Fld
6h 04m
1 stop
BIS12:34 pmBismarck
Aug 26
BIS5:42 pmBismarck
7h 14m
1 stop
BOI11:56 pmBoise Air Term. Gowen Fld
$254
Find similar
Delta
Aug 19
BOI5:30 amBoise Air Term. Gowen Fld
6h 04m
1 stop
BIS12:34 pmBismarck
Aug 26
BIS1:14 pmBismarck
10h 46m
2 stops
BOI11:00 pmBoise Air Term. Gowen Fld
$259
Find similar
Delta
Aug 19
BOI5:30 amBoise Air Term. Gowen Fld
6h 04m
1 stop
BIS12:34 pmBismarck
Aug 26
BIS5:42 pmBismarck
7h 14m
1 stop
BOI11:56 pmBoise Air Term. Gowen Fld
$284
Find similar

American Airlines flights from Idaho to Bismarck

Our best American Airlines deals on Idaho to Bismarck flight tickets
American Airlines
Aug 19
BOI6:35 amBoise Air Term. Gowen Fld
14h 42m
2 stops
BIS10:17 pmBismarck
Aug 26
BIS6:23 amBismarck
14h 47m
2 stops
BOI8:10 pmBoise Air Term. Gowen Fld
$264
Find similar
American Airlines
Aug 19
BOI6:35 amBoise Air Term. Gowen Fld
14h 42m
2 stops
BIS10:17 pmBismarck
Aug 26
BIS6:23 amBismarck
14h 47m
2 stops
BOI8:10 pmBoise Air Term. Gowen Fld
$294
Find similar
American Airlines
Aug 20
BOI1:36 pmBoise Air Term. Gowen Fld
7h 41m
1 stop
BIS10:17 pmBismarck
Aug 27
BIS6:23 amBismarck
14h 47m
2 stops
BOI8:10 pmBoise Air Term. Gowen Fld
$331
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 7, 2025.
Use the filters below to find and compare flights from Idaho to Bismarck that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 8/19

5:30 am-12:34 pm

1 stop6h 04m

Bismarck

Tue 8/26

5:42 pm-11:56 pm

1 stop7h 14m

$254

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 8/19

5:30 am-12:34 pm

1 stop6h 04m

Bismarck

Tue 8/26

1:14 pm-11:00 pm

2 stops10h 46m

$259

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Thu 8/21

2:21 pm-11:18 pm

1 stop6h 57m

Bismarck

Mon 8/25

5:42 pm-11:48 pm

1 stop8h 06m

$259

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 8/19

6:35 am-10:17 pm

2 stops14h 42m

Bismarck

Tue 8/26

6:23 am-8:10 pm

2 stops14h 47m

$264

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 8/20

2:13 pm-11:39 pm

2 stops8h 26m

Bismarck

Sun 8/24

6:00 am-1:30 pm

2 stops8h 30m

$269

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 8/19

5:30 am-12:34 pm

1 stop6h 04m

Bismarck

Tue 8/26

5:42 pm-11:56 pm

1 stop7h 14m

$284

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 8/19

6:35 am-10:17 pm

2 stops14h 42m

Bismarck

Tue 8/26

6:23 am-8:10 pm

2 stops14h 47m

$294

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 8/20

5:00 am-10:35 am

1 stop4h 35m

Bismarck

Thu 8/28

5:20 pm-10:21 pm

1 stop6h 01m

$324

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 8/20

2:13 pm-11:39 pm

2 stops8h 26m

Bismarck

Thu 8/28

5:20 pm-10:21 pm

1 stop6h 01m

$329

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 8/20

1:36 pm-10:17 pm

1 stop7h 41m

Bismarck

Wed 8/27

6:23 am-8:10 pm

2 stops14h 47m

$331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Bismarck from

How to get the cheapest flight ticket from Idaho to Bismarck

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bismarck?

In general, November is the cheapest month to fly from Idaho to Bismarck. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $318. If you aren’t able to travel during the month of November, then book flights to Bismarck from Idaho during April instead. Flights to Bismarck in April, while not as cheap as those in November, still average around $321.

What is the cheapest day to depart on your flight to Bismarck?

The cheapest day to depart from Idaho to Bismarck is on a Wednesday. Travelers who choose to depart for Bismarck on a Wednesday will often find tickets for as low as $380. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $820. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bismarck.

What is the cheapest time of day to depart on your flight to Bismarck?

According to our data, the cheapest time of day to fly to Bismarck is in the afternoon. momondo users have found flights departing from Idaho to Bismarck in the afternoon for as low as $333. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $518. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Idaho to Bismarck flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Bismarck

Best Price Found

$375

Fastest flight time

4h 35m

Direct flights

None

Airports in Bismarck

1 airport
The best one-way flight to Bismarck from Idaho in the past 72 hours is $375. The best round-trip flight deal from Idaho to Bismarck found on momondo in the last 72 hours is $254.
The fastest flight from Idaho to Bismarck takes 4h 35m
There are no direct flights from Idaho to Bismarck. Popular non-direct routes for this connection are Spokane Airport - Bismarck Airport and Boise Air Term. Gowen Fld Airport - Bismarck Airport.
There is 1 airport near Bismarck: Bismarck (BIS)
Search flight deals

  • When did momondo last update prices for flights from Idaho to Bismarck Airport?

    Prices for flights from Idaho to Bismarck Airport were last updated today.

  • How many operators does momondo search for flights from Idaho to Bismarck Airport?

  • How old do you have to be to fly from Idaho to Bismarck Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Bismarck Airport.

  • What documentation or ID do you need to fly to Bismarck Airport?

    The travel and health documents you'll need for your trip to Bismarck Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bismarck Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Bismarck

Compare and see reviews for airlines that fly from Idaho to Bismarck with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $233Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
DeltaPriceFrom $233Free CancellationRating
8.0
7,985 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Bismarck?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bismarck from Idaho.

Can I find flights from Idaho to Bismarck with flexible booking policies on momondo?

Flights from Idaho to Bismarck with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho to Bismarck?

momondo helps you find the best flight between Idaho and Bismarck by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to Bismarck right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Bismarck flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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