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Cheap flights from Idaho to Bismarck from $248

This is the cheapest one-way 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:40 pm - 11:38 pm
BOI
-
BIS
4h 58m
1 stop
United Airlines Logo
6:00 am - 9:35 am
BIS
-
BOI
4h 35m
1 stop
$309United Airlines
Wed, Sep 9 - Wed, Sep 23
Delta Logo
6:45 am - 4:56 pm
GEG
-
BIS
8h 11m
1 stop
Delta Logo
5:36 pm - 11:09 pm
BIS
-
GEG
7h 33m
1 stop
$309Delta
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
5:40 pm - 11:38 pm
BOI
-
BIS
4h 58m
1 stop
United Airlines Logo
6:00 am - 3:31 pm
BIS
-
BOI
10h 31m
2 stops
$314United Airlines
Wed, Sep 9 - Wed, Sep 23
Delta Logo
6:45 am - 4:56 pm
GEG
-
BIS
8h 11m
1 stop
Delta Logo
8:01 am - 3:19 pm
BIS
-
GEG
9h 18m
2 stops
$314Delta
Wed, Aug 19 - Tue, Aug 25
Delta Logo
2:53 pm - 11:12 pm
BOI
-
BIS
7h 19m
1 stop
Delta Logo
1:17 pm - 8:52 pm
BIS
-
BOI
8h 35m
1 stop
$319Delta
Sat, Aug 22 - Sat, Aug 29
Delta Logo
2:00 pm - 11:25 pm
GEG
-
BIS
7h 25m
1 stop
Delta Logo
3:18 pm - 7:42 pm
BIS
-
GEG
6h 24m
1 stop
$319Delta
Fri, Oct 9 - Tue, Oct 13
Delta Logo
2:53 pm - 11:12 pm
BOI
-
BIS
7h 19m
1 stop
Delta Logo
10:00 am - 7:00 pm
BIS
-
BOI
10h 00m
2 stops
$324Delta
Sat, Aug 22 - Sat, Aug 29
Delta Logo
2:00 pm - 11:25 pm
GEG
-
BIS
7h 25m
1 stop
Delta Logo
3:18 pm - 11:42 pm
BIS
-
GEG
10h 24m
2 stops
$324Delta
Fri, Oct 9 - Tue, Oct 13
Delta Logo
1:25 pm - 11:25 pm
GEG
-
BIS
8h 00m
2 stops
Delta Logo
3:18 pm - 11:42 pm
BIS
-
GEG
10h 24m
2 stops
$329Delta
Fri, Oct 9 - Tue, Oct 13
United Airlines Logo
5:46 pm - 11:11 pm
BOI
-
BIS
4h 25m
1 stop
United Airlines Logo
6:35 pm - 10:40 pm
BIS
-
BOI
5h 05m
1 stop
$349United Airlines
Fri, Aug 7 - Tue, Aug 11

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United Airlines flights from Idaho to Bismarck

Our best United Airlines deals on Idaho to Bismarck flight tickets
United Airlines
Sep 9
BOI5:40 pmBoise Air Term. Gowen Fld
4h 58m
1 stop
BIS11:38 pmBismarck
Sep 23
BIS6:00 amBismarck
4h 35m
1 stop
BOI9:35 amBoise Air Term. Gowen Fld
$309
United Airlines
Sep 9
BOI5:40 pmBoise Air Term. Gowen Fld
4h 58m
1 stop
BIS11:38 pmBismarck
Sep 23
BIS6:00 amBismarck
10h 31m
2 stops
BOI3:31 pmBoise Air Term. Gowen Fld
$314
United Airlines
Aug 7
BOI5:46 pmBoise Air Term. Gowen Fld
4h 25m
1 stop
BIS11:11 pmBismarck
Aug 11
BIS6:35 pmBismarck
5h 05m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
$349

Delta flights from Idaho to Bismarck

Our best Delta deals on Idaho to Bismarck flight tickets
Delta
Aug 19
GEG6:45 amSpokane
8h 11m
1 stop
BIS4:56 pmBismarck
Aug 25
BIS5:36 pmBismarck
7h 33m
1 stop
GEG11:09 pmSpokane
$309
Delta
Aug 19
GEG6:45 amSpokane
8h 11m
1 stop
BIS4:56 pmBismarck
Aug 25
BIS8:01 amBismarck
9h 18m
2 stops
GEG3:19 pmSpokane
$314
Delta
Oct 9
GEG2:00 pmSpokane
7h 25m
1 stop
BIS11:25 pmBismarck
Oct 13
BIS3:18 pmBismarck
6h 24m
1 stop
GEG7:42 pmSpokane
$319

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 July 24, 2026.
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

Cheapest round-trip

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 9/9

5:40 pm-11:38 pm

1 stop4h 58m

Bismarck

Wed 9/23

6:00 am-9:35 am

1 stop4h 35m

$309

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Wed 8/19

6:45 am-4:56 pm

1 stop8h 11m

Bismarck

Tue 8/25

5:36 pm-11:09 pm

1 stop7h 33m

$309

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 9/9

5:40 pm-11:38 pm

1 stop4h 58m

Bismarck

Wed 9/23

6:00 am-3:31 pm

2 stops10h 31m

$314

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Wed 8/19

6:45 am-4:56 pm

1 stop8h 11m

Bismarck

Tue 8/25

8:01 am-3:19 pm

2 stops9h 18m

$314

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Sat 8/22

2:53 pm-11:12 pm

1 stop7h 19m

Bismarck

Sat 8/29

1:17 pm-8:52 pm

1 stop8h 35m

$319

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 10/9

2:00 pm-11:25 pm

1 stop7h 25m

Bismarck

Tue 10/13

3:18 pm-7:42 pm

1 stop6h 24m

$319

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Sat 8/22

2:53 pm-11:12 pm

1 stop7h 19m

Bismarck

Sat 8/29

10:00 am-7:00 pm

2 stops10h 00m

$324

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 10/9

2:00 pm-11:25 pm

1 stop7h 25m

Bismarck

Tue 10/13

3:18 pm-11:42 pm

2 stops10h 24m

$324

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Fri 10/9

1:25 pm-11:25 pm

2 stops8h 00m

Bismarck

Tue 10/13

3:18 pm-11:42 pm

2 stops10h 24m

$329
Quickest round-trip

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Fri 8/7

5:46 pm-11:11 pm

1 stop4h 25m

Bismarck

Tue 8/11

6:35 pm-10:40 pm

1 stop5h 05m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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, December 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 $0. If you aren’t able to travel during the month of December, then book flights to Bismarck from Idaho during September instead. Flights to Bismarck in September, while not as cheap as those in December, still average around $0.

Cheap Idaho to Bismarck flight deals and tips

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

Fastest flight time

4h 25m

Direct flights

None
The fastest flight from Idaho to Bismarck takes 4h 25m
There are no direct flights from Idaho to Bismarck. There are no popular flight routes from Idaho to Bismarck.
Search flight deals

Frequently asked questions about flying from Idaho to Bismarck

  • 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 $248Free CancellationRating
7.8
8,479 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
10,024 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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