HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$99+ Cheap flights from Idaho to Montana

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BZN
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Montana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Montana

Keep the following information in mind while searching for Idaho to Montana flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Southwest)

One-way from

$99
(Southwest)

Popular in

July

Cheapest in

February

Average price

$239

Good round-trip deal

$107 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Bozeman Gallatin Field flights.
Search Deals
From Idaho to Montana
Search Deals
One-way flight from Idaho to Montana
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Idaho to Montana.
Search Deals

Find flight deals from Idaho to Montana

Cheapest flights from Idaho to Montana
Explore the most affordable flight options available from Idaho to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/74:45 pmBOI - BZN
1 stop6h 40mSouthwest
Wed 6/115:00 amBZN - BOI
1 stop4h 35mSouthwest
Deal found 3/31$197
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:30 amBOI - BZN
1 stop4h 14mHawaiian Airlines
Sat 4/2611:24 amBZN - BOI
1 stop4h 22mHawaiian Airlines
Deal found 4/1$212
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:50 pmBOI - BZN
1 stop4h 17mDelta
Sun 5/45:45 amBZN - BOI
1 stop4h 32mDelta
Deal found 3/31$217
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/215:59 pmBOI - MSO
1 stop6h 34mDelta
Wed 4/305:40 amMSO - BOI
1 stop4h 27mDelta
Deal found 3/31$228
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:27 pmGEG - BZN
1 stop10h 54mAlaska Airlines
Wed 6/411:18 amBZN - GEG
1 stop5h 18mAlaska Airlines
Deal found 3/30$238
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:30 amBOI - BZN
1 stop4h 14mAlaska Airlines
Wed 5/215:32 amBZN - BOI
2 stops6h 15mAlaska Airlines
Deal found 4/1$256
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:10 amBOI - FCA
1 stop4h 20mHawaiian Airlines
Wed 5/76:40 pmFCA - BOI
1 stop3h 59mHawaiian Airlines
Deal found 3/31$260
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/178:34 pmBOI - MSO
1 stop3h 32mAlaska Airlines
Sat 5/245:45 amMSO - BOI
1 stop3h 40mAlaska Airlines
Deal found 4/1$260
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/24:16 pmGEG - BZN
1 stop6h 35mHawaiian Airlines
Thu 6/53:59 pmBZN - GEG
1 stop6h 12mHawaiian Airlines
Deal found 4/1$264
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:40 pmBOI - FCA
1 stop4h 50mDelta
Thu 5/225:25 amFCA - BOI
1 stop4h 41mDelta
Deal found 3/31$271
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:00 amGEG - BZN
1 stop3h 49mDelta
Wed 6/41:06 pmBZN - GEG
2 stops10h 44mDelta
Deal found 3/30$284
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:03 amBOI - FCA
2 stops9h 27mAlaska Airlines
Wed 5/76:40 pmFCA - BOI
1 stop3h 59mAlaska Airlines
Deal found 3/31$297

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho to Montana 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, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2025.
Use the filters below to find and compare flights from Idaho to Montana that are best for you.

Fly from

Idaho

Fly to

Montana

Route

Depart

Return

Price

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Sat 6/7

4:45 pm-11:25 pm

1 stop6h 40m

Bozeman Gallatin Field

Wed 6/11

5:00 am-9:35 am

1 stop4h 35m

$197

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Wed 4/23

6:30 am-10:44 am

1 stop4h 14m

Bozeman Gallatin Field

Sat 4/26

11:24 am-3:46 pm

1 stop4h 22m

$212

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Thu 5/1

7:50 pm-12:07 am

1 stop4h 17m

Bozeman Gallatin Field

Sun 5/4

5:45 am-10:17 am

1 stop4h 32m

$217

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Mon 4/21

5:59 pm-12:33 am

1 stop6h 34m

Missoula Johnson-Bell Field

Wed 4/30

5:40 am-10:07 am

1 stop4h 27m

$228

SpokaneBozeman

GEG - BZN

GEGBZN

Spokane

Wed 5/21

12:27 pm-12:21 am

1 stop10h 54m

Bozeman Gallatin Field

Wed 6/4

11:18 am-3:36 pm

1 stop5h 18m

$238

BoiseBozeman

BOI - BZN

BOIBZN

Boise Air Term. Gowen Fld

Wed 5/14

6:30 am-10:44 am

1 stop4h 14m

Bozeman Gallatin Field

Wed 5/21

5:32 am-11:47 am

2 stops6h 15m

$256

BoiseKalispell

BOI - FCA

BOIFCA

Boise Air Term. Gowen Fld

Wed 4/30

11:10 am-3:30 pm

1 stop4h 20m

Kalispell Glacier Park

Wed 5/7

6:40 pm-10:39 pm

1 stop3h 59m

$260

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Sat 5/17

8:34 pm-12:06 am

1 stop3h 32m

Missoula Johnson-Bell Field

Sat 5/24

5:45 am-9:25 am

1 stop3h 40m

$260

SpokaneBozeman

GEG - BZN

GEGBZN

Spokane

Mon 6/2

4:16 pm-11:51 pm

1 stop6h 35m

Bozeman Gallatin Field

Thu 6/5

3:59 pm-9:11 pm

1 stop6h 12m

$264

BoiseKalispell

BOI - FCA

BOIFCA

Boise Air Term. Gowen Fld

Tue 5/20

7:40 pm-12:30 am

1 stop4h 50m

Kalispell Glacier Park

Thu 5/22

5:25 am-10:06 am

1 stop4h 41m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 48 results
1
2
3
...
5

Best time to book a flight from Idaho to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Montana

What is the cheapest month to book a flight from Idaho to Montana?

Currently, October is the cheapest month in which you can book a flight from Idaho to Montana (average of $371). Flying from Idaho to Montana in June is currently the most expensive (average of $520). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ID to MT?

Find hourly flight availability from Idaho to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Montana as you normally would.

Rainfall in Montana by month

Plan your trip to Montana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montana ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Montana when rainfall is around 0.4 in.

Temperature in Montana by month

Plan your trip to Montana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated April 1, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Idaho to Montana have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,277 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,345 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Idaho to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Idaho to Montana one-way?

    $99 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $109 and $132, respectively.

  • Can I find deals for flights from Idaho to Montana that include hotel bookings?

    Yes. In addition to deals on Idaho to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Montana.

  • Can I find deals for business class flights from Idaho to Montana?

    Yes. Cheapflights offers flight deals from Idaho to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Montana?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Montana (average of $371). Flying from Idaho to Montana in June is currently the most expensive (average of $520). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Montana

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
John F Kennedy Intl to Los Angeles flights
Newark to Orlando flights
Los Angeles to John F Kennedy Intl flights
LaGuardia to Orlando flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Seattle flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Las Vegas flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to LaGuardia flights
San Francisco to John F Kennedy Intl flights
LaGuardia to O'Hare Intl flights
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to Seattle flights
Newark to Seattle flights
LaGuardia to Atlanta flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to West Palm Beach flights
Dallas/Fort Worth to Las Vegas flights
Los Angeles to Honolulu flights
Newark to Los Angeles flights
Los Angeles to Newark flights
Newark to Tampa flights
O'Hare Intl to John F Kennedy Intl flights
LaGuardia to Los Angeles flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Las Vegas flights
Seattle to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Sky Harbor Intl flights
John F Kennedy Intl to Denver flights
San Francisco to Newark flights
LaGuardia to Las Vegas flights
Atlanta to LaGuardia flights
Los Angeles to Seattle flights
Los Angeles to LaGuardia flights
John F Kennedy Intl to San Francisco flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Orlando flights
Denver to Las Vegas flights
Newark to New Orleans flights
O'Hare Intl to Dallas/Fort Worth flights
John F Kennedy Intl to O'Hare Intl flights

Top 4 airlines flying from Idaho to Montana

Discover the top 4 airlines that operate flights from Idaho to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$147Average$437FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$161Average$446FlexibilityNo cancel feeOn-time63%
DeltaCheapest$166Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$444FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.