How many flights depart from Idaho to Montana on average per week?

12 flights are operational weekly from Idaho to Montana as of March 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What is the cheapest airline that flies from Idaho to Montana?

Southwest, Alaska Airlines, and Delta are the most popular carriers operating from Idaho to Montana

What airlines fly to Montana?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Montana from Idaho according to our data. Alaska Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 3 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

How many flights depart from Idaho to Montana on average per day?

The number of flights available between Idaho and Montana is 1 per day as of March 2026. The most frequent departure time is 2:00PM, with 100% of daily flights leaving in the afternoon.

When did momondo last update prices for flights from Idaho to Montana?

Prices for flights from Idaho to Montana refresh daily.

How many operators does momondo search for flights from Idaho to Montana?

The number of operators available for flights from Idaho to Montana is 3 as of March 2026.

How old do you have to be to fly from Idaho to Montana?

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 Montana.

What documentation or ID do you need to fly to Montana?

The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$96 Cheap Flights from Idaho to Montana in 2026

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Find the cheapest flights from Idaho to Montana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 11:00 pm

BOI

BZN

6h 40m

1 stop

11:10 am - 4:15 pm

BZN

BOI

5h 05m

1 stop

$197Southwest

Mon, Apr 20 - Sat, Apr 25

4:20 pm - 11:00 pm

BOI

BZN

6h 40m

1 stop

11:10 am - 10:05 pm

BZN

BOI

10h 55m

2 stops

$202Southwest

Mon, Apr 20 - Sat, Apr 25

2:18 pm - 3:24 pm

BOI

BZN

1h 06mnonstop

8:00 am - 3:33 pm

BZN

BOI

7h 33m

1 stop

$207Alaska Airlines

Tue, Apr 21 - Sat, Apr 25

7:40 pm - 1:10 am

BOI

BZN

5h 30m

1 stop

8:20 pm - 1:20 am

BZN

BOI

5h 00m

1 stop

$218Southwest

Thu, Jun 4 - Sun, Jun 7

6:00 am - 11:04 am

BOI

BZN

5h 04m

1 stop

5:30 am - 9:53 am

BZN

BOI

4h 23m

1 stop

$227Delta

Sun, Apr 26 - Sun, May 3

2:18 pm - 3:24 pm

BOI

BZN

1h 06mnonstop

8:00 am - 3:33 pm

BZN

BOI

7h 33m

1 stop

$242Alaska Airlines

Mon, Apr 20 - Sat, Apr 25

3:30 pm - 10:40 pm

GEG

BZN

6h 10m

1 stop

6:34 pm - 11:34 pm

BZN

GEG

6h 00m

1 stop

$308Delta

Tue, Apr 14 - Thu, Apr 16

11:57 am - 2:43 pm

GEG

BIL

25h 46m

1 stop

5:35 pm - 11:07 am

BIL

GEG

18h 32m

1 stop

$334Allegiant Air

Fri, Jun 5 - Sun, Jun 7

1:46 pm - 8:57 pm

GEG

BIL

6h 11m

1 stop

7:00 am - 12:40 pm

BIL

GEG

6h 40m

1 stop

$339United Airlines

Wed, Apr 15 - Sat, Apr 18

5:44 pm - 10:27 pm

BOI

BTM

4h 43m

1 stop

10:00 am - 5:53 pm

BTM

BOI

7h 53m

1 stop

$388United Airlines

Sat, Aug 22 - Wed, Aug 26

Southwest flights from Idaho to Montana

Our best Southwest deals on Idaho to Montana flight tickets

Southwest

Apr 20

BOI4:20 pmBoise Air Term. Gowen Fld

6h 40m

1 stop

BZN11:00 pmBozeman Gallatin Field

Apr 25

BZN11:10 amBozeman Gallatin Field

5h 05m

1 stop

BOI4:15 pmBoise Air Term. Gowen Fld

$197

Southwest

Apr 20

BOI4:20 pmBoise Air Term. Gowen Fld

6h 40m

1 stop

BZN11:00 pmBozeman Gallatin Field

Apr 25

BZN11:10 amBozeman Gallatin Field

10h 55m

2 stops

BOI10:05 pmBoise Air Term. Gowen Fld

$202

Southwest

Jun 4

BOI7:40 pmBoise Air Term. Gowen Fld

5h 30m

1 stop

BZN1:10 amBozeman Gallatin Field

Jun 7

BZN8:20 pmBozeman Gallatin Field

5h 00m

1 stop

BOI1:20 amBoise Air Term. Gowen Fld

$218

Delta flights from Idaho to Montana

Our best Delta deals on Idaho to Montana flight tickets

Delta

Apr 26

BOI6:00 amBoise Air Term. Gowen Fld

5h 04m

1 stop

BZN11:04 amBozeman Gallatin Field

May 3

BZN5:30 amBozeman Gallatin Field

4h 23m

1 stop

BOI9:53 amBoise Air Term. Gowen Fld

$227

Delta

Jun 11

BOI11:53 amBoise Air Term. Gowen Fld

3h 23m

1 stop

BZN3:16 pmBozeman Gallatin Field

Jun 15

BZN5:15 amBozeman Gallatin Field

4h 17m

1 stop

BOI9:32 amBoise Air Term. Gowen Fld

$273

Delta

May 13

BOI12:55 pmBoise Air Term. Gowen Fld

5h 00m

1 stop

BZN5:55 pmBozeman Gallatin Field

May 14

BZN5:35 amBozeman Gallatin Field

6h 21m

1 stop

BOI11:56 amBoise Air Term. Gowen Fld

$293

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Mon 4/20

4:20 pm-11:00 pm

1 stop6h 40m

Bozeman Gallatin Field

Sat 4/25

11:10 am-4:15 pm

1 stop5h 05m

$197

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Mon 4/20

4:20 pm-11:00 pm

1 stop6h 40m

Bozeman Gallatin Field

Sat 4/25

11:10 am-10:05 pm

2 stops10h 55m

$202

Quickest round-trip

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Tue 4/21

2:18 pm-3:24 pm

Nonstop1h 06m

Bozeman Gallatin Field

Sat 4/25

8:00 am-3:33 pm

1 stop7h 33m

$207

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Thu 6/4

7:40 pm-1:10 am

1 stop5h 30m

Bozeman Gallatin Field

Sun 6/7

8:20 pm-1:20 am

1 stop5h 00m

$218

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Sun 4/26

6:00 am-11:04 am

1 stop5h 04m

Bozeman Gallatin Field

Sun 5/3

5:30 am-9:53 am

1 stop4h 23m

$227

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Mon 4/20

2:18 pm-3:24 pm

Nonstop1h 06m

Bozeman Gallatin Field

Sat 4/25

8:00 am-3:33 pm

1 stop7h 33m

$242

SpokaneBozeman

GEG - BZN

GEGBZN

Spokane

Tue 4/14

3:30 pm-10:40 pm

1 stop6h 10m

Bozeman Gallatin Field

Thu 4/16

6:34 pm-11:34 pm

1 stop6h 00m

$308

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Fri 6/5

11:57 am-2:43 pm

1 stop25h 46m

Billings Logan Intl

Sun 6/7

5:35 pm-11:07 am

1 stop18h 32m

$334

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Wed 4/15

1:46 pm-8:57 pm

1 stop6h 11m

Billings Logan Intl

Sat 4/18

7:00 am-12:40 pm

1 stop6h 40m

$339

BoiseButte

BOI - BTM

BOIBTM

Boise Air Term. Gowen Fld

Sat 8/22

5:44 pm-10:27 pm

1 stop4h 43m

Butte Silver Bow Co

Wed 8/26

10:00 am-5:53 pm

1 stop7h 53m

$388

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Montana

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

Prices

Airlines

Other information

What is the cheapest month to fly to Montana?

The cheapest month to fly to Montana from Idaho is in November. Flight prices, which tend to average around $137, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Montana, with average flight prices from Idaho averaging around $144.

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

Our data shows that Friday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $137. The most expensive day to fly to Montana is Monday, with ticket prices averaging around $353.

What is the cheapest Idaho to Montana flight route?

Fly from Boise Air Term. Gowen Fld to Bozeman Gallatin Field for the best Idaho - Montana flight prices

What cabin class options are available on Idaho to Montana flights?

There are 2 cabin classes available to choose from on Idaho to Montana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Montana flights?

You could potentially save up to 53% on your flight if you consider stops on a Idaho to Montana flight.

Cheap Idaho to Montana flight deals and tips

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

Best Price Found	$173
Fastest flight time	3h 19m
Direct flights	Wed, Thu and Sat
Airports in Montana	32 airports

The best one-way flight to Montana from Idaho in the past 72 hours is $173. The best round-trip flight deal from Idaho to Montana found on momondo in the last 72 hours is $172.

The fastest flight from Idaho to Montana takes 3h 19m

Direct flights go from Idaho to Montana on Wednesday, Thursday and Saturday. The only airline offering direct flights is Alaska Airlines.

There are 32 airports in Montana. From Idaho there are direct flights to Bozeman Gallatin Field (BZN).

Search flight deals

When did momondo last update prices for flights from Idaho to Montana?
Prices for flights from Idaho to Montana refresh daily.
How many operators does momondo search for flights from Idaho to Montana?
The number of operators available for flights from Idaho to Montana is 3 as of March 2026.
How old do you have to be to fly from Idaho to Montana?
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 Montana.
What documentation or ID do you need to fly to Montana?
The required travel and health documents for your Montana trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Idaho to Montana?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Idaho to Montana is Embraer 175 (100.00% of total bookings).

Best airlines flying from Idaho to Montana

Compare and see reviews for airlines that fly from Idaho to Montana with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,359 reviews	Search Delta flights
Alaska Airlines	PriceFrom $99	Free Cancellation	Rating 7.9 12,133 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 9,508 reviews	Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Montana. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Montana from Idaho which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Idaho and Montana 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 Montana right now. Can momondo alert me if prices change?

Price alerts on flights to Montana from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.