Idaho

$129+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOI
Jul 28 — Aug 41
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Cheap 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 June 28, 2026.

This Delta deal was found by Cheapflights users on 6/23. 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 8/206:00 am
BZN
-
BOI
1 stop3h 48m
Delta
Sun 8/236:45 pm
BOI
-
BZN
1 stop5h 19m
Delta
Deal found 6/23$187
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 10/85:43 pm
BZN
-
BOI
Nonstop1h 12m
Alaska Airlines
Fri 10/97:37 pm
BOI
-
BZN
1 stop16h 24m
Alaska Airlines
Deal found 6/24$235
This Delta deal was found by Cheapflights users on 6/26. 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 7/245:15 am
BZN
-
BOI
1 stop4h 14m
Delta
Sun 7/266:00 am
BOI
-
BZN
1 stop5h 17m
Delta
Deal found 6/26$237
This Delta deal was found by Cheapflights users on 6/24. 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 7/237:30 pm
BZN
-
BOI
1 stop4h 35m
Delta
Mon 7/276:42 pm
BOI
-
BZN
1 stop5h 41m
Delta
Deal found 6/24$267
This Delta deal was found by Cheapflights users on 6/25. 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 7/145:15 am
BZN
-
BOI
1 stop4h 14m
Delta
Mon 7/206:42 pm
BOI
-
BZN
1 stop5h 41m
Delta
Deal found 6/25$272
This Delta deal was found by Cheapflights users on 6/23. 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 7/213:54 pm
BZN
-
GEG
1 stop6h 19m
Delta
Tue 7/284:30 pm
GEG
-
BZN
1 stop5h 19m
Delta
Deal found 6/23$287
This Southwest deal was found by Cheapflights users on 6/23. 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.
Thu 7/307:15 pm
BZN
-
BOI
1 stop6h 00m
Southwest
Sat 8/15:10 pm
BOI
-
BZN
1 stop4h 50m
Southwest
Deal found 6/23$287
This Delta deal was found by Cheapflights users on 6/23. 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 8/133:49 pm
BZN
-
GEG
1 stop4h 25m
Delta
Sat 8/225:40 pm
GEG
-
BZN
1 stop4h 02m
Delta
Deal found 6/23$295
This Delta deal was found by Cheapflights users on 6/25. 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 7/305:15 am
BZN
-
BOI
1 stop4h 14m
Delta
Fri 7/316:42 pm
BOI
-
BZN
1 stop5h 41m
Delta
Deal found 6/25$297
This Southwest deal was found by Cheapflights users on 6/23. 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.
Thu 8/205:05 pm
BZN
-
BOI
1 stop6h 30m
Southwest
Sun 8/236:30 am
BOI
-
BZN
2 stops8h 55m
Southwest
Deal found 6/23$302
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 10/273:35 pm
BZN
-
GEG
1 stop4h 14m
Alaska Airlines
Thu 10/298:21 am
GEG
-
BZN
1 stop4h 01m
Alaska Airlines
Deal found 6/24$321
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 11/74:41 pm
HLN
-
BOI
1 stop7h 10m
Alaska Airlines
Wed 11/1110:49 am
BOI
-
HLN
1 stop5h 15m
Alaska Airlines
Deal found 6/25$323

Find flight deals from Montana to Idaho

Keep the following information in mind while searching for Montana to Idaho flight deals. Data was last updated June 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Delta)

One-way from

$129
(Delta)

Popular in

June

Cheapest in

March

Average price

$551
Provider with most accurate pricing for Bozeman Gallatin Field-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Boise Air Term. Gowen Fld flights.
From Montana to Idaho
One-way flight from Montana to Idaho
Highest demand for flights based on searches. 31% potential increase in price ($121 potential increase over avg. RT price).
Cheapest flight prices on average. 11% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 28, 2026.
Use the filters below to find and compare flights from Montana to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Thu 8/20

6:00 am-9:48 am

1 stop3h 48m

Boise Air Term. Gowen Fld

Sun 8/23

6:45 pm-12:04 am

1 stop5h 19m

$187

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 7/31

5:15 am-9:29 am

1 stop4h 14m

Boise Air Term. Gowen Fld

Sat 8/1

5:15 pm-10:03 pm

1 stop4h 48m

$237

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Thu 7/23

7:30 pm-12:05 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Mon 7/27

6:42 pm-12:23 am

1 stop5h 41m

$267

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Thu 7/30

7:15 pm-1:15 am

1 stop6h 00m

Boise Air Term. Gowen Fld

Sat 8/1

5:10 pm-10:00 pm

1 stop4h 50m

$287

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

Tue 7/21

3:54 pm-9:13 pm

1 stop6h 19m

Spokane

Tue 7/28

4:30 pm-10:49 pm

1 stop5h 19m

$287

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

Tue 8/4

3:49 pm-9:16 pm

1 stop6h 27m

Spokane

Thu 8/6

5:40 pm-10:42 pm

1 stop4h 02m

$295

BozemanSpokane

BZN - GEG

BZNGEG

Bozeman Gallatin Field

Thu 8/13

3:49 pm-7:14 pm

1 stop4h 25m

Spokane

Sat 8/22

5:40 pm-10:42 pm

1 stop4h 02m

$295

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 9/18

7:20 am-2:15 pm

1 stop6h 55m

Boise Air Term. Gowen Fld

Sun 9/20

7:00 am-3:25 pm

1 stop8h 25m

$297

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Fri 8/14

2:30 pm-8:40 pm

1 stop6h 10m

Boise Air Term. Gowen Fld

Sun 8/16

7:00 am-3:25 pm

1 stop8h 25m

$297

BozemanBoise

BZN - BOI

BZNBOI

Bozeman Gallatin Field

Thu 7/23

7:15 pm-1:15 am

1 stop6h 00m

Boise Air Term. Gowen Fld

Mon 7/27

6:00 am-3:55 pm

2 stops9h 55m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $109). Flying from Montana to Idaho in July is currently the most expensive (average of $197). 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.

How much does it cost to fly round-trip from Montana to Idaho?

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 June 28, 2026.
Read through reviews of airlines operating flights from Montana to Idaho, such as Alaska Airlines,Southwest, andDelta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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.
  • How popular is this Montana to Idaho flight route?

  • How long is the flight from Montana to Idaho?

    Departing from Montana to Idaho will take you 3h 48m. There are 292 mi between Montana and Idaho. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $109). Flying from Montana to Idaho in July is currently the most expensive (average of $197). 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.

Top 4 airlines flying from Montana to Idaho

Discover the top 4 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 June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$117Average$329FlexibilityNo cancel feeOn-time75%
DeltaCheapest$132Average$432FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$148Average$394FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$387FlexibilityNo cancel feeOn-time63%

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