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Cheap flights from Idaho to Bismarck from $300

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 3/26. 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

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 4:06 pm
GEG
-
BIS
8h 06m
1 stop
Delta Logo
4:50 pm - 9:29 pm
BIS
-
GEG
6h 39m
1 stop
$300Delta
Thu, Mar 26 - Sat, Mar 28
Delta Logo
2:15 pm - 11:27 pm
GEG
-
BIS
7h 12m
1 stop
Delta Logo
4:50 pm - 9:29 pm
BIS
-
GEG
6h 39m
1 stop
$305Delta
Tue, Mar 10 - Sat, Mar 14
United Airlines Logo
6:15 am - 1:03 pm
BOI
-
BIS
5h 48m
1 stop
United Airlines Logo
5:30 am - 10:06 am
BIS
-
BOI
5h 36m
1 stop
$338United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
12:59 pm - 11:43 pm
BOI
-
BIS
9h 44m
2 stops
United Airlines Logo
8:00 am - 1:32 pm
BIS
-
BOI
6h 32m
1 stop
$343United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
10:49 am - 11:43 pm
BOI
-
BIS
11h 54m
2 stops
United Airlines Logo
1:44 pm - 9:59 pm
BIS
-
BOI
9h 15m
2 stops
$348United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
1:41 pm - 11:41 pm
GEG
-
BIS
8h 00m
1 stop
United Airlines Logo
9:16 am - 3:12 pm
BIS
-
GEG
7h 56m
1 stop
$374United Airlines
Wed, May 27 - Wed, Jun 3
Delta Logo
6:15 am - 4:06 pm
GEG
-
BIS
7h 51m
2 stops
Delta Logo
4:50 pm - 9:29 pm
BIS
-
GEG
6h 39m
1 stop
$434Delta
Thu, Mar 26 - Sat, Mar 28
Delta Logo
7:23 pm - 10:29 am
GEG
-
BIS
13h 06m
2 stops
Delta Logo
8:04 am - 1:11 pm
BIS
-
GEG
7h 07m
1 stop
$435Delta
Wed, May 27 - Wed, Jun 3
Delta Logo
2:15 pm - 11:27 pm
GEG
-
BIS
7h 12m
1 stop
Delta Logo
1:26 pm - 10:39 pm
BIS
-
GEG
11h 13m
2 stops
$437Delta
Tue, Mar 10 - Sat, Mar 14
American Airlines Logo
2:05 pm - 12:24 pm
GEG
-
BIS
20h 19m
1 stop
American Airlines Logo
12:54 pm - 1:14 pm
BIS
-
GEG
26h 20m
1 stop
$700American Airlines
Sat, May 23 - Sat, May 30

Delta flights from Idaho to Bismarck

Our best Delta deals on Idaho to Bismarck flight tickets
Delta
Mar 26
GEG6:00 amSpokane
8h 06m
1 stop
BIS4:06 pmBismarck
Mar 28
BIS4:50 pmBismarck
6h 39m
1 stop
GEG9:29 pmSpokane
$300
Delta
Mar 10
GEG2:15 pmSpokane
7h 12m
1 stop
BIS11:27 pmBismarck
Mar 14
BIS4:50 pmBismarck
6h 39m
1 stop
GEG9:29 pmSpokane
$305
Delta
Mar 26
GEG6:15 amSpokane
7h 51m
2 stops
BIS4:06 pmBismarck
Mar 28
BIS4:50 pmBismarck
6h 39m
1 stop
GEG9:29 pmSpokane
$434

United Airlines flights from Idaho to Bismarck

Our best United Airlines deals on Idaho to Bismarck flight tickets
United Airlines
Mar 10
BOI6:15 amBoise Air Term. Gowen Fld
5h 48m
1 stop
BIS1:03 pmBismarck
Mar 17
BIS5:30 amBismarck
5h 36m
1 stop
BOI10:06 amBoise Air Term. Gowen Fld
$338
United Airlines
Mar 10
BOI12:59 pmBoise Air Term. Gowen Fld
9h 44m
2 stops
BIS11:43 pmBismarck
Mar 17
BIS8:00 amBismarck
6h 32m
1 stop
BOI1:32 pmBoise Air Term. Gowen Fld
$343
United Airlines
Mar 10
BOI10:49 amBoise Air Term. Gowen Fld
11h 54m
2 stops
BIS11:43 pmBismarck
Mar 17
BIS1:44 pmBismarck
9h 15m
2 stops
BOI9:59 pmBoise Air Term. Gowen Fld
$348

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 February 25, 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

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Thu 3/26

6:00 am-4:06 pm

1 stop8h 06m

Bismarck

Sat 3/28

4:50 pm-9:29 pm

1 stop6h 39m

$300

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Tue 3/10

2:15 pm-11:27 pm

1 stop7h 12m

Bismarck

Sat 3/14

4:50 pm-9:29 pm

1 stop6h 39m

$305

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 3/10

6:15 am-1:03 pm

1 stop5h 48m

Bismarck

Tue 3/17

5:30 am-10:06 am

1 stop5h 36m

$338

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 3/10

12:59 pm-11:43 pm

2 stops9h 44m

Bismarck

Tue 3/17

8:00 am-1:32 pm

1 stop6h 32m

$343

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Tue 3/10

10:49 am-11:43 pm

2 stops11h 54m

Bismarck

Tue 3/17

1:44 pm-9:59 pm

2 stops9h 15m

$348

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Wed 5/27

1:41 pm-11:41 pm

1 stop8h 00m

Bismarck

Wed 6/3

9:16 am-3:12 pm

1 stop7h 56m

$374

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Thu 3/26

6:15 am-4:06 pm

2 stops7h 51m

Bismarck

Sat 3/28

4:50 pm-9:29 pm

1 stop6h 39m

$434

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Wed 5/27

7:23 pm-10:29 am

2 stops13h 06m

Bismarck

Wed 6/3

8:04 am-1:11 pm

1 stop7h 07m

$435

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Tue 3/10

2:15 pm-11:27 pm

1 stop7h 12m

Bismarck

Sat 3/14

1:26 pm-10:39 pm

2 stops11h 13m

$437

SpokaneBismarck

GEG - BIS

GEGBIS

Spokane

Sat 5/23

2:05 pm-12:24 pm

1 stop20h 19m

Bismarck

Sat 5/30

12:54 pm-1:14 pm

1 stop26h 20m

$700

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 airline that flies from Idaho to Bismarck?

Delta and United Airlines are the most popular carriers operating from Idaho to Bismarck

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

5h 48m

Direct flights

None
The fastest flight from Idaho to Bismarck takes 5h 48m
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
8,237 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,345 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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