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$69+ Cheap flights from Montana to Idaho

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Montana to Idaho

Keep the following information in mind while searching for Montana to Idaho flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Delta)

One-way from

$69
(Southwest)

Popular in

June

Cheapest in

January

Average price

$146

Good round-trip deal

$253 or less

Good one-way deal

$202 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Boise Air Term. Gowen Fld flights.
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From Montana to Idaho
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One-way flight from Montana to Idaho
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Highest demand for flights based on searches. 29% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Montana to Idaho.
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Price to beat on a one-way flight from Montana to Idaho.
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Find flight deals from Montana to Idaho

Cheapest flights from Montana to Idaho
Explore the most affordable flight options available from Montana to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 4/15:45 amBZN - BOI
1 stop4h 30mDelta
Tue 4/15:59 pmBOI - BZN
1 stop6h 09mDelta
Deal found 2/20$127
This Delta deal was found by Cheapflights users on 2/20. 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 4/35:40 amMSO - BOI
1 stop4h 07mDelta
Thu 4/108:15 pmBOI - MSO
1 stop4h 12mDelta
Deal found 2/20$175
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 3/144:53 pmBZN - BOI
Nonstop1h 10mAlaska Airlines
Mon 3/172:08 pmBOI - BZN
Nonstop1h 05mAlaska Airlines
Deal found 2/20$193
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/58:00 amBZN - BOI
1 stop5h 52mHawaiian Airlines
Mon 4/71:03 pmBOI - BZN
Nonstop1h 08mHawaiian Airlines
Deal found 2/19$203
This Southwest deal was found by Cheapflights users on 2/20. 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.
Fri 4/182:10 pmBZN - BOI
1 stop9h 20mSouthwest
Sun 4/204:50 pmBOI - BZN
1 stop7h 20mSouthwest
Deal found 2/20$232
This Delta deal was found by Cheapflights users on 2/20. 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 4/85:45 amBZN - GEG
1 stop4h 25mDelta
Sat 4/125:15 pmGEG - BZN
1 stop4h 47mDelta
Deal found 2/20$241
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/216:38 pmMSO - BOI
1 stop4h 03mAlaska Airlines
Mon 4/286:30 amBOI - MSO
1 stop7h 28mAlaska Airlines
Deal found 2/19$246
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1710:11 amGTF - BOI
1 stop26h 21mMultiple Airlines
Tue 3/259:40 amBOI - GTF
1 stop5h 32mMultiple Airlines
Deal found 2/20$256
This Delta deal was found by Cheapflights users on 2/20. 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 4/95:20 amBIL - GEG
1 stop4h 50mDelta
Tue 4/155:05 pmGEG - BIL
1 stop6h 08mDelta
Deal found 2/20$279
This Delta deal was found by Cheapflights users on 2/20. 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 3/176:25 pmGTF - BOI
2 stops26h 01mDelta
Tue 3/255:59 pmBOI - GTF
1 stop4h 45mDelta
Deal found 2/20$280
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/172:45 pmGTF - BOI
1 stop5h 34mHawaiian Airlines
Tue 3/252:47 pmBOI - GTF
1 stop24h 25mHawaiian Airlines
Deal found 2/20$282
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 4/251:34 pmBIL - GEG
1 stop6h 05mAlaska Airlines
Tue 4/297:24 pmGEG - BIL
1 stop18h 43mAlaska Airlines
Deal found 2/20$302

Find flights from Montana to Idaho within your budget

Customize your flight search to find flights from Montana to Idaho 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 February 20, 2025.

Fly from

Montana

Fly to

Idaho

Route

Depart

Return

Price

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Tue 4/1

5:45 am-10:15 am

1 stop4h 30m

Boise Air Term. Gowen Fld

Tue 4/1

5:59 pm-12:08 am

1 stop6h 09m

$127

MissoulaBoise

MSO - BOI

MSOBOI

Missoula Johnson-Bell Field

Thu 4/3

5:40 am-9:47 am

1 stop4h 07m

Boise Air Term. Gowen Fld

Thu 4/10

8:15 pm-12:27 am

1 stop4h 12m

$175

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 3/14

4:53 pm-6:03 pm

Nonstop1h 10m

Boise Air Term. Gowen Fld

Mon 3/17

2:08 pm-3:13 pm

Nonstop1h 05m

$193

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Sat 4/5

8:00 am-1:52 pm

1 stop5h 52m

Boise Air Term. Gowen Fld

Mon 4/7

1:03 pm-2:11 pm

Nonstop1h 08m

$203

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 4/18

2:10 pm-11:30 pm

1 stop9h 20m

Boise Air Term. Gowen Fld

Sun 4/20

4:50 pm-12:10 am

1 stop7h 20m

$232

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

Tue 4/8

5:45 am-9:10 am

1 stop4h 25m

Spokane

Sat 4/12

5:15 pm-11:02 pm

1 stop4h 47m

$241

MissoulaBoise

MSO - BOI

MSOBOI

Missoula Johnson-Bell Field

Mon 4/21

6:38 pm-10:41 pm

1 stop4h 03m

Boise Air Term. Gowen Fld

Mon 4/28

6:30 am-1:58 pm

1 stop7h 28m

$246

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 3/17

10:11 am-12:32 pm

1 stop26h 21m

Boise Air Term. Gowen Fld

Tue 3/25

9:40 am-3:12 pm

1 stop5h 32m

$256

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 4/9

5:20 am-9:10 am

1 stop4h 50m

Spokane

Tue 4/15

5:05 pm-12:13 am

1 stop6h 08m

$279

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 3/17

6:25 pm-8:26 pm

2 stops26h 01m

Boise Air Term. Gowen Fld

Tue 3/25

5:59 pm-10:44 pm

1 stop4h 45m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 47 results
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Best time to book a flight from Montana to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Montana 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.

Travel insights for flights from Montana to Idaho

Get recent, data-driven insights about flights from Montana to Idaho including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Montana to Idaho (average of $314). Flying from Montana to Idaho in June is currently the most expensive (average of $436). 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 MT to ID?

Find hourly flight availability from Montana to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Montana to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated February 20, 2025.
To help decide which airline to fly from Montana to Idaho, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Montana to Idaho. 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 Montana to Idaho one-way?

    $69 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $89 and $139, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Idaho 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 Montana to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Montana to Idaho (average of $314). Flying from Montana to Idaho in June is currently the most expensive (average of $436). 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

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Alternative routes for Montana to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Montana to Idaho

Discover the top 3 airlines that operate flights from Montana to Idaho. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$106Average$443FlexibilityNo cancel feeOn-time75%
DeltaCheapest$116Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$331Average$656FlexibilityNo cancel feeOn-time69%
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