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$109+ Cheap flights from Montana to Boise (BOI)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOI
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Montana to Boise

Keep the following information in mind while searching for Montana to Boise flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$126
(Cheapflightsfares)

One-way from

$109
(Alaska Airlines)

Popular in

August

Cheapest in

January

Average price

$157

Good round-trip deal

$117 or less

Good one-way deal

$78 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 Boise Air Term. Gowen Fld
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One-way flight from Montana to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 35% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Montana to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Montana to Boise Air Term. Gowen Fld.
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Find flight deals from Montana to Boise

Cheapest flights from Montana to Boise
Explore the most affordable flight options available from Montana to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:44 pmBZN - BOI
Nonstop1h 15mAlaska Airlines
Mon 12/82:10 pmBOI - BZN
Nonstop1h 08mAlaska Airlines
Deal found 11/10$126
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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 12/51:44 pmBZN - BOI
Nonstop1h 15mAlaska Airlines
Sat 12/62:10 pmBOI - BZN
Nonstop1h 08mAlaska Airlines
Deal found 11/13$127
This Delta deal was found by Cheapflights users on 11/13. 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.
Fri 12/55:30 amBZN - BOI
1 stop4h 45mDelta
Sat 12/65:58 pmBOI - BZN
1 stop5h 09mDelta
Deal found 11/13$137
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:43 pmBZN - BOI
Nonstop1h 22mAlaska Airlines
Tue 12/232:08 pmBOI - BZN
Nonstop1h 09mAlaska Airlines
Deal found 11/11$156
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:43 pmBZN - BOI
Nonstop1h 22mAlaska Airlines
Mon 12/222:08 pmBOI - BZN
Nonstop1h 09mAlaska Airlines
Deal found 11/11$171
This Delta deal was found by Cheapflights users on 11/11. 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.
Sun 12/75:30 amBZN - BOI
1 stop4h 45mDelta
Fri 12/125:58 pmBOI - BZN
1 stop6h 20mDelta
Deal found 11/11$187
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Sun 12/71:44 pmBZN - BOI
Nonstop1h 15mAlaska Airlines
Fri 12/122:10 pmBOI - BZN
Nonstop1h 08mAlaska Airlines
Deal found 11/11$198
This Southwest deal was found by Cheapflights users on 11/13. 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 12/125:00 amBZN - BOI
1 stop5h 05mSouthwest
Mon 12/155:15 amBOI - BZN
1 stop4h 40mSouthwest
Deal found 11/13$223
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/182:16 pmFCA - BOI
1 stop8h 10mAlaska Airlines
Wed 12/246:08 amBOI - FCA
1 stop13h 22mAlaska Airlines
Deal found 11/11$235
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/95:30 amMSO - BOI
1 stop11h 35mAlaska Airlines
Tue 12/168:26 pmBOI - MSO
1 stop4h 00mAlaska Airlines
Deal found 11/11$253
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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 12/104:22 pmMSO - BOI
1 stop6h 34mAlaska Airlines
Wed 12/175:59 pmBOI - MSO
1 stop6h 27mAlaska Airlines
Deal found 11/12$258
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 12/106:29 amMSO - BOI
1 stop4h 05mAlaska Airlines
Sat 12/136:03 amBOI - MSO
1 stop6h 29mAlaska Airlines
Deal found 11/11$278

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Boise 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 November 13, 2025.
Use the filters below to find and compare flights from Montana to Boise that are best for you.

Fly from

Montana

Fly to

Boise

Route

Depart

Return

Price

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 12/5

1:44 pm-2:59 pm

Nonstop1h 15m

Boise Air Term. Gowen Fld

Sat 12/6

2:10 pm-3:18 pm

Nonstop1h 08m

$127

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Sat 12/6

5:30 am-10:15 am

1 stop4h 45m

Boise Air Term. Gowen Fld

Mon 12/8

5:58 pm-12:18 am

1 stop6h 20m

$137

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 1/16

1:46 pm-3:03 pm

Nonstop1h 17m

Boise Air Term. Gowen Fld

Mon 1/19

2:15 pm-3:23 pm

Nonstop1h 08m

$137

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 1/16

1:46 pm-3:03 pm

Nonstop1h 17m

Boise Air Term. Gowen Fld

Sun 1/18

9:10 am-1:06 pm

1 stop3h 56m

$147

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 12/19

1:43 pm-3:05 pm

Nonstop1h 22m

Boise Air Term. Gowen Fld

Mon 12/22

6:00 pm-11:59 pm

1 stop5h 59m

$147

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 2/20

1:48 pm-3:07 pm

Nonstop1h 19m

Boise Air Term. Gowen Fld

Mon 2/23

2:15 pm-3:22 pm

Nonstop1h 07m

$158

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 1/16

5:15 am-10:24 am

1 stop5h 09m

Boise Air Term. Gowen Fld

Mon 1/19

10:38 am-10:27 pm

1 stop11h 49m

$176

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 3/27

2:58 pm-4:02 pm

Nonstop1h 04m

Boise Air Term. Gowen Fld

Tue 3/31

1:10 pm-2:18 pm

Nonstop1h 08m

$178

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Thu 12/18

2:16 pm-10:26 pm

1 stop8h 10m

Boise Air Term. Gowen Fld

Wed 12/24

6:08 am-7:30 pm

1 stop13h 22m

$235

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 2/28

4:36 pm-9:15 pm

1 stop4h 39m

Boise Air Term. Gowen Fld

Tue 3/3

6:28 am-3:59 pm

1 stop9h 31m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 45 results
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Best time to book a flight from Montana to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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 Boise

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

Currently, January is the cheapest month in which you can book a flight from Montana to Boise (average of $102). Flying from Montana to Boise in September is currently the most expensive (average of $186). 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 BOI?

Find hourly flight availability from Montana to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

It’s typically best to fly out from Montana to Boise in the evening. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Montana to Boise

Explore weekly flight availability from Montana to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 13, 2025.

The most flights from USMT to BOI are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

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

  • What airport do you fly into for flights to Boise from Montana?

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld (BOI) is the airport most travelers will use when flying to Boise from Montana.

  • How popular is this Montana to Boise flight route?

    Flights from Montana to Boise Air Term. Gowen Fld have been viewed 1 times in the past calendar month.

  • How long is the flight from Montana to Boise?

    Departing from Montana to Boise will take you 1h 15m. There are 292 mi between Montana and Boise. This flight may include one or multiple stops.

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

    $109 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Allegiant Air, with prices starting from $120 and $299, respectively.

  • What are the most popular routes from Montana to Boise?

    While some choose either Kalispell Glacier Park - Boise Air Term. Gowen Fld or Missoula Johnson-Bell Field - Boise Air Term. Gowen Fld, Bozeman Gallatin Field - Boise Air Term. Gowen Fld is the most popular route from Montana to Boise.

  • What are the most reliable airlines from Montana to Boise?

    Consider Alaska Airlines (100%), Horizon Air (100%) or Hawaiian Airlines (100%) when booking your flight. These represent the most reliable airlines when flying from Montana to Boise.

  • What are the cheapest flights from Montana to Boise?

    On average you can expect to pay $161 for a flight from Montana to Boise. The cheapest flight overall is $78 while the most popular route, (Bozeman Gallatin Field - Boise Air Term. Gowen Fld) is currently priced at $137.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Montana to Boise (average of $102). Flying from Montana to Boise in September is currently the most expensive (average of $186). 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 4 airlines flying from Montana to Boise

Discover the top 4 airlines that operate flights from Montana to Boise. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$106Average$343FlexibilityNo cancel feeOn-time75%
DeltaCheapest$116Average$416FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$158Average$406FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$656FlexibilityNo cancel feeOn-time69%

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