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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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOI
abr. 5 — abr. 121
sáb. 4/5
sáb. 4/12
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 marzo 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Delta)

One-way from

$99
(Delta)

Popular in

June

Cheapest in

January

Average price

$193

Good round-trip deal

$147 or less

Good one-way deal

$170 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 ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 31, 2025.

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.
lun. 4/215:45 amBZN - BOI
1 stop4h 22mDelta
vie. 4/257:50 pmBOI - BZN
1 stop4h 17mDelta
Deal found 3/30$157
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/212:51 pmBZN - BOI
Nonstop1h 11mHawaiian Airlines
vie. 4/257:45 amBOI - BZN
1 stop6h 14mHawaiian Airlines
Deal found 3/30$242
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.
jue. 4/2411:24 amBZN - BOI
1 stop5h 31mAlaska Airlines
lun. 4/288:59 pmBOI - BZN
1 stop13h 45mAlaska Airlines
Deal found 3/31$251
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/307:33 pmBZN - GEG
1 stop5h 21mHawaiian Airlines
dom. 6/16:00 amGEG - BZN
1 stop3h 38mHawaiian Airlines
Deal found 3/30$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.
lun. 4/285:45 amBZN - GEG
1 stop4h 25mDelta
lun. 5/56:59 pmGEG - BZN
1 stop4h 08mDelta
Deal found 3/31$265
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/206:42 amMSO - BOI
1 stop4h 07mHawaiian Airlines
sáb. 4/267:45 amBOI - MSO
1 stop6h 13mHawaiian Airlines
Deal found 3/30$270
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/62:15 pmFCA - BOI
1 stop3h 46mHawaiian Airlines
vie. 5/91:00 pmBOI - FCA
1 stop5h 00mHawaiian Airlines
Deal found 3/30$270
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/291:15 pmBZN - BOI
2 stops9h 40mSouthwest
mar. 5/64:20 pmBOI - BZN
1 stop7h 05mSouthwest
Deal found 3/30$273
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.
lun. 5/125:25 amFCA - BOI
1 stop4h 41mDelta
vie. 5/1612:50 pmBOI - FCA
1 stop4h 35mDelta
Deal found 3/31$281
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.
vie. 5/95:45 amGTF - BOI
1 stop4h 21mDelta
sáb. 5/1011:30 amBOI - GTF
1 stop6h 06mDelta
Deal found 3/30$294
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.
mar. 5/66:40 pmFCA - BOI
1 stop3h 59mAlaska Airlines
vie. 5/93:30 pmBOI - FCA
2 stops22h 02mAlaska Airlines
Deal found 3/30$307
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.
dom. 4/277:29 pmHLN - BOI
1 stop4h 21mAlaska Airlines
mié. 4/302:41 pmBOI - HLN
1 stop4h 08mAlaska Airlines
Deal found 3/30$309

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 marzo 31, 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

lun. 4/21

5:45 am-10:07 am

1 stop4h 22m

Boise Air Term. Gowen Fld

vie. 4/25

7:50 pm-12:07 am

1 stop4h 17m

$157

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

lun. 4/21

2:51 pm-4:02 pm

Nonstop1h 11m

Boise Air Term. Gowen Fld

vie. 4/25

7:45 am-1:59 pm

1 stop6h 14m

$242

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

jue. 4/24

11:24 am-4:55 pm

1 stop5h 31m

Boise Air Term. Gowen Fld

lun. 4/28

8:59 pm-10:44 am

1 stop13h 45m

$251

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

vie. 5/30

7:33 pm-11:54 pm

1 stop5h 21m

Spokane

dom. 6/1

6:00 am-10:38 am

1 stop3h 38m

$264

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

lun. 4/28

5:45 am-9:10 am

1 stop4h 25m

Spokane

lun. 5/5

6:59 pm-12:07 am

1 stop4h 08m

$265

MissoulaBoise

MSO - BOI

MSOBOI

Missoula Johnson-Bell Field

dom. 4/20

6:42 am-10:49 am

1 stop4h 07m

Boise Air Term. Gowen Fld

sáb. 4/26

7:45 am-1:58 pm

1 stop6h 13m

$270

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

mar. 5/6

2:15 pm-6:01 pm

1 stop3h 46m

Boise Air Term. Gowen Fld

vie. 5/9

1:00 pm-6:00 pm

1 stop5h 00m

$270

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

mar. 4/29

1:15 pm-10:55 pm

2 stops9h 40m

Boise Air Term. Gowen Fld

mar. 5/6

4:20 pm-11:25 pm

1 stop7h 05m

$273

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

lun. 5/12

5:25 am-10:06 am

1 stop4h 41m

Boise Air Term. Gowen Fld

vie. 5/16

12:50 pm-5:25 pm

1 stop4h 35m

$281

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

vie. 5/9

5:45 am-10:06 am

1 stop4h 21m

Boise Air Term. Gowen Fld

sáb. 5/10

11:30 am-5:36 pm

1 stop6h 06m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 55 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 marzo 31, 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 marzo 31, 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
9,818 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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 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 Southwest and Alaska Airlines, with prices starting from $104 and $119, 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 marzo 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$106Average$412FlexibilityNo cancel feeOn-time75%
DeltaCheapest$116Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$321Average$656FlexibilityNo cancel feeOn-time69%
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