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$99+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOI
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(Delta)

One-way from

$99
(Delta)

Popular in

June

Cheapest in

January

Average price

$209

Good round-trip deal

$107 or less

Good one-way deal

$144 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. 32% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 17, 2025.

This Delta deal was found by Cheapflights users on 4/16. 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.
mié. 5/145:40 amBZN - BOI
1 stop4h 26mDelta
mié. 5/215:40 pmBOI - BZN
1 stop6h 24mDelta
Deal found 4/16$197
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
dom. 11/23:15 pmBZN - BOI
Nonstop1h 11mAlaska Airlines
dom. 11/95:30 amBOI - BZN
1 stop5h 18mAlaska Airlines
Deal found 4/16$203
This Hawaiian Airlines deal was found by Cheapflights users on 4/15. 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.
mié. 6/1811:16 amBZN - BOI
1 stop4h 54mHawaiian Airlines
mié. 7/96:25 amBOI - BZN
1 stop4h 11mHawaiian Airlines
Deal found 4/15$228
This Southwest deal was found by Cheapflights users on 4/15. 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.
mié. 6/184:15 pmBZN - BOI
2 stops8h 25mSouthwest
mié. 7/97:05 pmBOI - BZN
1 stop5h 40mSouthwest
Deal found 4/15$247
This Delta deal was found by Cheapflights users on 4/17. 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.
jue. 6/55:40 amBZN - GEG
1 stop4h 15mDelta
mié. 6/117:05 pmGEG - BZN
1 stop3h 56mDelta
Deal found 4/17$252
This Delta deal was found by Cheapflights users on 4/17. 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.
mié. 5/145:25 amFCA - BOI
1 stop6h 29mDelta
sáb. 5/1711:30 amBOI - FCA
1 stop5h 55mDelta
Deal found 4/17$261
This Delta deal was found by Cheapflights users on 4/16. 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.
jue. 5/295:45 amGTF - BOI
1 stop6h 09mDelta
mié. 6/411:30 amBOI - GTF
1 stop6h 06mDelta
Deal found 4/16$263
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
vie. 5/233:59 pmBZN - GEG
1 stop6h 12mAlaska Airlines
dom. 5/258:27 amGEG - BZN
1 stop5h 38mAlaska Airlines
Deal found 4/16$264
This Hawaiian Airlines deal was found by Cheapflights users on 4/17. 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.
vie. 5/236:39 pmMSO - BOI
1 stop4h 03mHawaiian Airlines
mar. 5/277:06 pmBOI - MSO
1 stop4h 30mHawaiian Airlines
Deal found 4/17$280
This Delta deal was found by Cheapflights users on 4/16. 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.
vie. 5/305:40 amMSO - BOI
1 stop4h 26mDelta
dom. 6/17:18 pmBOI - MSO
1 stop5h 03mDelta
Deal found 4/16$281
This Mytrip deal was found by Cheapflights users on 4/16. 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.
jue. 5/157:58 pmMSO - GEG
1 stop15h 23mMultiple Airlines
jue. 5/221:50 pmGEG - MSO
2 stops30h 35mMultiple Airlines
Deal found 4/16$283
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
sáb. 5/176:32 pmFCA - BOI
1 stop4h 12mAlaska Airlines
sáb. 5/245:39 pmBOI - FCA
2 stops19h 21mAlaska Airlines
Deal found 4/17$287

Cheapflights Fare Finder

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 abril 17, 2025.
Use the filters below to find and compare flights from Montana to Idaho that are best for you.

Fly from

Montana

Fly to

Idaho

Route

Depart

Return

Price

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

mié. 5/14

5:40 am-10:06 am

1 stop4h 26m

Boise Air Term. Gowen Fld

mié. 5/21

5:40 pm-12:04 am

1 stop6h 24m

$197

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

mié. 6/18

11:16 am-4:10 pm

1 stop4h 54m

Boise Air Term. Gowen Fld

mié. 7/9

6:25 am-10:36 am

1 stop4h 11m

$228

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

mié. 6/18

4:15 pm-12:40 am

2 stops8h 25m

Boise Air Term. Gowen Fld

mié. 7/9

7:05 pm-12:45 am

1 stop5h 40m

$247

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

jue. 6/5

5:40 am-8:55 am

1 stop4h 15m

Spokane

mié. 6/11

7:05 pm-12:01 am

1 stop3h 56m

$252

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

mar. 5/20

1:27 pm-6:04 pm

1 stop4h 37m

Boise Air Term. Gowen Fld

mar. 5/27

7:06 pm-6:38 pm

1 stop23h 32m

$255

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

mié. 5/14

5:25 am-11:54 am

1 stop6h 29m

Boise Air Term. Gowen Fld

sáb. 5/17

11:30 am-5:25 pm

1 stop5h 55m

$261

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

jue. 5/29

5:45 am-11:54 am

1 stop6h 09m

Boise Air Term. Gowen Fld

mié. 6/4

11:30 am-5:36 pm

1 stop6h 06m

$263

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

vie. 5/23

3:59 pm-9:11 pm

1 stop6h 12m

Spokane

dom. 5/25

8:27 am-3:05 pm

1 stop5h 38m

$264

MissoulaBoise

MSO - BOI

MSOBOI

Missoula Johnson-Bell Field

vie. 5/23

6:39 pm-10:42 pm

1 stop4h 03m

Boise Air Term. Gowen Fld

mar. 5/27

7:06 pm-11:36 pm

1 stop4h 30m

$280

MissoulaBoise

MSO - BOI

MSOBOI

Missoula Johnson-Bell Field

vie. 5/30

5:40 am-10:06 am

1 stop4h 26m

Boise Air Term. Gowen Fld

dom. 6/1

7:18 pm-12:21 am

1 stop5h 03m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 48 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.

Cheapflights Insights

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

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 $419). 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 abril 17, 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 abril 17, 2025.
To help decide which airline to fly from Montana to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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?

    $99 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Hawaiian Airlines and Allegiant Air, with prices starting from $116 and $148, 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 $419). 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$106Average$403FlexibilityNo cancel feeOn-time75%
DeltaCheapest$116Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$321Average$656FlexibilityNo cancel feeOn-time69%

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