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Cheap flights from Idaho to Bismarck from $249

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 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho to Bismarck

Cheap round-trip flights

United Airlines Logo
5:22 pm - 11:37 pmBOI-BIS
5h 15m1 stop
United Airlines Logo
5:50 am - 9:43 amBIS-BOI
4h 53m1 stop
$249United Airlines
Find Deal
vie., mar. 20 - mar., mar. 24
Delta Logo
2:24 pm - 11:16 pmGEG-BIS
6h 52m1 stop
Delta Logo
7:30 am - 1:27 pmBIS-GEG
7h 57m1 stop
$294Delta
Find Deal
vie., oct. 10 - lun., oct. 13
United Airlines Logo
5:22 pm - 11:37 pmBOI-BIS
5h 15m1 stop
United Airlines Logo
1:30 pm - 10:22 pmBIS-BOI
9h 52m2 stops
$348United Airlines
Find Deal
vie., mar. 20 - mar., mar. 24
Delta Logo
5:45 am - 2:59 pmGEG-BIS
7h 14m1 stop
Delta Logo
7:30 am - 2:57 pmBIS-GEG
9h 27m2 stops
$374Delta
Find Deal
sáb., oct. 18 - sáb., oct. 25
United Airlines Logo
5:05 am - 1:00 pmGEG-BIS
5h 55m1 stop
United Airlines Logo
8:00 am - 12:36 pmBIS-GEG
6h 36m1 stop
$385United Airlines
Find Deal
mié., oct. 8 - mar., oct. 14
Allegiant Air Logo
7:38 pm - 8:10 pmGEG-BIS
22h 32m1 stop
Allegiant Air Logo
11:33 am - 8:18 pmBIS-GEG
10h 45m1 stop
$391Allegiant Air
Find Deal
vie., oct. 24 - dom., oct. 26
United Airlines Logo
4:00 pm - 11:39 pmGEG-BIS
5h 39m1 stop
United Airlines Logo
6:00 am - 10:39 amBIS-GEG
30h 39m2 stops
$432United Airlines
Find Deal
mié., oct. 8 - mar., oct. 14
Delta Logo
5:05 am - 7:37 pmGEG-BIS
12h 32m2 stops
Delta Logo
7:30 am - 1:27 pmBIS-GEG
7h 57m1 stop
$434Delta
Find Deal
vie., oct. 10 - lun., oct. 13
American Airlines Logo
5:20 pm - 2:18 pmBOI-BIS
19h 58m2 stops
American Airlines Logo
6:23 am - 4:50 pmBIS-BOI
11h 27m2 stops
$1,085American Airlines
Find Deal
lun., oct. 13 - vie., oct. 17
American Airlines Logo
11:15 am - 10:23 pmBOI-BIS
10h 08m2 stops
American Airlines Logo
6:00 am - 4:55 pmBIS-BOI
11h 55m2 stops
$1,397American Airlines
Find Deal
dom., nov. 23 - dom., nov. 30

United Airlines flights from Idaho to Bismarck

Our best United Airlines deals on Idaho to Bismarck flight tickets
United Airlines
Mar 20
BOI5:22 pmBoise Air Term. Gowen Fld
5h 15m
1 stop
BIS11:37 pmBismarck
Mar 24
BIS5:50 amBismarck
4h 53m
1 stop
BOI9:43 amBoise Air Term. Gowen Fld
$249
Find similar
United Airlines
Oct 1
GEG1:38 pmSpokane
6h 14m
1 stop
BIS9:52 pmBismarck
Oct 4
BIS8:00 amBismarck
6h 36m
1 stop
GEG12:36 pmSpokane
$309
Find similar
United Airlines
Mar 20
BOI5:22 pmBoise Air Term. Gowen Fld
5h 15m
1 stop
BIS11:37 pmBismarck
Mar 24
BIS1:30 pmBismarck
9h 52m
2 stops
BOI10:22 pmBoise Air Term. Gowen Fld
$348
Find similar

Delta flights from Idaho to Bismarck

Our best Delta deals on Idaho to Bismarck flight tickets
Delta
Oct 10
GEG2:24 pmSpokane
6h 52m
1 stop
BIS11:16 pmBismarck
Oct 13
BIS7:30 amBismarck
7h 57m
1 stop
GEG1:27 pmSpokane
$294
Find similar
Delta
Oct 1
GEG2:23 pmSpokane
6h 59m
1 stop
BIS11:22 pmBismarck
Oct 4
BIS3:35 pmBismarck
9h 38m
2 stops
GEG11:13 pmSpokane
$359
Find similar
Delta
Oct 18
GEG5:45 amSpokane
7h 14m
1 stop
BIS2:59 pmBismarck
Oct 25
BIS7:30 amBismarck
9h 27m
2 stops
GEG2:57 pmSpokane
$374
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 septiembre 22, 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

vie. 3/20

5:22 pm-11:37 pm

1 stop5h 15m

Bismarck

mar. 3/24

5:50 am-9:43 am

1 stop4h 53m

$249

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

vie. 10/10

2:24 pm-11:16 pm

1 stop6h 52m

Bismarck

lun. 10/13

7:30 am-1:27 pm

1 stop7h 57m

$294

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

vie. 3/20

5:22 pm-11:37 pm

1 stop5h 15m

Bismarck

mar. 3/24

1:30 pm-10:22 pm

2 stops9h 52m

$348

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

sáb. 10/18

5:45 am-2:59 pm

1 stop7h 14m

Bismarck

sáb. 10/25

7:30 am-2:57 pm

2 stops9h 27m

$374

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

mié. 10/8

5:05 am-1:00 pm

1 stop5h 55m

Bismarck

mar. 10/14

8:00 am-12:36 pm

1 stop6h 36m

$385

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

vie. 10/24

7:38 pm-8:10 pm

1 stop22h 32m

Bismarck

dom. 10/26

11:33 am-8:18 pm

1 stop10h 45m

$391

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

mié. 10/8

4:00 pm-11:39 pm

1 stop5h 39m

Bismarck

mar. 10/14

6:00 am-10:39 am

2 stops30h 39m

$432

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

vie. 10/10

5:05 am-7:37 pm

2 stops12h 32m

Bismarck

lun. 10/13

7:30 am-1:27 pm

1 stop7h 57m

$434

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

lun. 10/13

5:20 pm-2:18 pm

2 stops19h 58m

Bismarck

vie. 10/17

6:23 am-4:50 pm

2 stops11h 27m

$1,085

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

dom. 11/23

11:15 am-10:23 pm

2 stops10h 08m

Bismarck

dom. 11/30

6:00 am-4:55 pm

2 stops11h 55m

$1,397

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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, April 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 $273. If you aren’t able to travel during the month of April, then book flights to Bismarck from Idaho during August instead. Flights to Bismarck in August, while not as cheap as those in April, still average around $318.

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

Direct flights

None
There are no direct flights from Idaho to Bismarck. There are no popular flight routes from Idaho to Bismarck.
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
DeltaPriceFrom $223Free CancellationRating
7.9
7,971 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,922 reviews
Search United Airlines 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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