How long is the flight from Montana to Idaho?

Flight times from Montana to Idaho vary, but if you’re flying out of Bozeman and flying into Boise (one of the most popular routes), then the duration is 1h 11m on average. Another popular route from Montana to Idaho is flying from Kalispell to Boise, which will take roughly 3h 36m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Idaho?

Delta, Alaska Airlines and United Airlines are the top three most popular airlines that fly to Idaho from Montana according to our data. Delta is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Montana to Idaho are refreshed on a daily basis.

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

The number of operators available for flights from Montana to Idaho is 4 as of August 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Idaho.

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

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$89 Cheap Flights from Montana to Idaho in 2025

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Find the cheapest flights from Montana to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:00 am - 3:00 pmBZN-BOI

7h 00m1 stop

5:45 pm - 10:38 pmBOI-BZN

4h 53m1 stop

$156Alaska Airlines

Find Deal

Sat, Aug 23 - Sat, Aug 30

7:23 pm - 11:59 pmBZN-BOI

4h 36m1 stop

5:45 pm - 10:38 pmBOI-BZN

4h 53m1 stop

$166Alaska Airlines

Find Deal

Mon, Aug 25 - Sat, Aug 30

8:30 am - 1:45 pmBZN-BOI

5h 15m1 stop

5:25 am - 9:50 amBOI-BZN

4h 25m1 stop

$177Southwest

Find Deal

Sat, Aug 23 - Sun, Aug 24

10:15 am - 5:00 pmBZN-BOI

6h 45m1 stop

6:00 am - 11:40 amBOI-BZN

5h 40m1 stop

$182Southwest

Find Deal

Fri, Sep 5 - Sat, Sep 6

5:45 am - 10:24 amBZN-BOI

4h 39m1 stop

5:45 pm - 10:58 pmBOI-BZN

5h 13m1 stop

$206Delta

Find Deal

Fri, Jan 16 - Sun, Jan 18

7:34 pm - 12:27 amBZN-GEG

5h 53m1 stop

8:45 am - 3:21 pmGEG-BZN

5h 36m1 stop

$210Hawaiian Airlines

Find Deal

Sat, Oct 11 - Tue, Oct 14

5:30 am - 9:45 amBZN-BOI

4h 15m1 stop

6:00 am - 10:49 amBOI-BZN

4h 49m1 stop

$212Delta

Find Deal

Tue, Aug 19 - Sat, Aug 23

3:15 pm - 4:26 pmBZN-BOI

1h 11mnonstop

9:50 am - 2:25 pmBOI-BZN

4h 35m1 stop

$242Hawaiian Airlines

Find Deal

Fri, Jan 16 - Sun, Jan 18

5:00 am - 9:42 amBIL-BOI

4h 42m1 stop

7:00 am - 1:17 pmBOI-BIL

6h 17m1 stop

$432United Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

10:30 am - 5:27 pmBIL-GEG

7h 57m1 stop

1:38 pm - 8:34 pmGEG-BIL

5h 56m1 stop

$497United Airlines

Find Deal

Sun, Aug 17 - Thu, Aug 21

Southwest flights from Montana to Idaho

Our best Southwest deals on Montana to Idaho flight tickets

Southwest

Aug 23

BZN8:30 amBozeman Gallatin Field

5h 15m

1 stop

BOI1:45 pmBoise Air Term. Gowen Fld

Aug 24

BOI5:25 amBoise Air Term. Gowen Fld

4h 25m

1 stop

BZN9:50 amBozeman Gallatin Field

$177

Find similar

Southwest

Sep 5

BZN10:15 amBozeman Gallatin Field

6h 45m

1 stop

BOI5:00 pmBoise Air Term. Gowen Fld

Sep 6

BOI6:00 amBoise Air Term. Gowen Fld

5h 40m

1 stop

BZN11:40 amBozeman Gallatin Field

$182

Find similar

Southwest

Nov 21

BZN5:45 pmBozeman Gallatin Field

7h 10m

1 stop

GEG11:55 pmSpokane

Nov 23

GEG4:25 pmSpokane

6h 50m

1 stop

BZN12:15 amBozeman Gallatin Field

$357

Find similar

Delta flights from Montana to Idaho

Our best Delta deals on Montana to Idaho flight tickets

Delta

Jan 16

BZN5:45 amBozeman Gallatin Field

4h 39m

1 stop

BOI10:24 amBoise Air Term. Gowen Fld

Jan 18

BOI5:45 pmBoise Air Term. Gowen Fld

5h 13m

1 stop

BZN10:58 pmBozeman Gallatin Field

$206

Find similar

Delta

Aug 19

BZN5:30 amBozeman Gallatin Field

4h 15m

1 stop

BOI9:45 amBoise Air Term. Gowen Fld

Aug 23

BOI6:00 amBoise Air Term. Gowen Fld

4h 49m

1 stop

BZN10:49 amBozeman Gallatin Field

$212

Find similar

Delta

Aug 19

BZN5:30 amBozeman Gallatin Field

4h 15m

1 stop

BOI9:45 amBoise Air Term. Gowen Fld

Aug 23

BOI6:00 pmBoise Air Term. Gowen Fld

5h 09m

1 stop

BZN11:09 pmBozeman Gallatin Field

$232

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Sat 8/23

8:00 am-3:00 pm

1 stop7h 00m

Boise Air Term. Gowen Fld

Sat 8/30

5:45 pm-10:38 pm

1 stop4h 53m

$156

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Mon 8/25

7:23 pm-11:59 pm

1 stop4h 36m

Boise Air Term. Gowen Fld

Sat 8/30

5:45 pm-10:38 pm

1 stop4h 53m

$166

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Sat 8/23

8:30 am-1:45 pm

1 stop5h 15m

Boise Air Term. Gowen Fld

Sun 8/24

5:25 am-9:50 am

1 stop4h 25m

$177

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 9/5

10:15 am-5:00 pm

1 stop6h 45m

Boise Air Term. Gowen Fld

Sat 9/6

6:00 am-11:40 am

1 stop5h 40m

$182

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 1/16

5:45 am-10:24 am

1 stop4h 39m

Boise Air Term. Gowen Fld

Sun 1/18

5:45 pm-10:58 pm

1 stop5h 13m

$206

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

Sat 10/11

7:34 pm-12:27 am

1 stop5h 53m

Spokane

Tue 10/14

8:45 am-3:21 pm

1 stop5h 36m

$210

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Tue 8/19

5:30 am-9:45 am

1 stop4h 15m

Boise Air Term. Gowen Fld

Sat 8/23

6:00 am-10:49 am

1 stop4h 49m

$212

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 1/16

3:15 pm-4:26 pm

Nonstop1h 11m

Boise Air Term. Gowen Fld

Sun 1/18

9:50 am-2:25 pm

1 stop4h 35m

$242

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Thu 8/28

5:00 am-9:42 am

1 stop4h 42m

Boise Air Term. Gowen Fld

Mon 9/1

7:00 am-1:17 pm

1 stop6h 17m

$432

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Sun 8/17

10:30 am-5:27 pm

1 stop7h 57m

Spokane

Thu 8/21

1:38 pm-8:34 pm

1 stop5h 56m

$497

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 Montana to Idaho

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 Idaho?

In general, January is the cheapest month to fly from Montana to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $106. If you don’t want to visit Idaho in January, then you should wait until February to fly from Montana, when ticket prices are also cheap, with an average price of $146.

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

Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $182. On the other hand, Sunday is the most expensive day to depart from Montana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $408.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Montana to Idaho at noon for as low as $221. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $297 per ticket.

What is the cheapest Montana to Idaho flight route?

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

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

There are 2 cabin classes available to choose from on Montana to Idaho 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 Montana to Idaho flights?

No. A direct flight is the cheapest option for a flight between Montana to Idaho.

Cheap Montana to Idaho flight deals and tips

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

Best Price Found	$89
Fastest flight time	1h 11m
Direct flights	Thu and Sat
Airports in Idaho	2 airports

The best one-way flight to Idaho from Montana in the past 72 hours is $89. The best round-trip flight deal from Montana to Idaho found on momondo in the last 72 hours is $156.

The fastest flight from Montana to Idaho takes 1h 11m

Direct flights go from Montana to Idaho on Thursday and Saturday. Airlines offering direct flights are: Alaska Airlines and Hawaiian Airlines.

There are 2 airports near Idaho: Spokane (GEG), Boise Air Term. Gowen Fld (BOI)

Search flight deals

When did momondo last update prices for flights from Montana to Idaho?
Prices for flights from Montana to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to Idaho?
The number of operators available for flights from Montana to Idaho is 4 as of August 2025.
How old do you have to be to fly from Montana to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montana to Idaho?
Based on momondo bookings for flights between Montana and Idaho, the leading plane model is Boeing 737 MAX 8, making up 32.35% of the total bookings. Other popular models include Airbus A319 with 26.47%, Embraer 175 with 23.53%, and Embraer 175 (Enhanced Winglets) with 11.76%.

Best airlines flying from Montana to Idaho

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

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $106	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $116	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $321	Free Cancellation	Rating 7.4 8,905 reviews	Search United Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Montana to Idaho flights to just show those with flexible booking policies.

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

Once all potential Montana to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Idaho from Montana 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.