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Missoula

$136+ Cheap flights from Idaho to Missoula (MSO)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MSO
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Idaho to Missoula

Cheapest flights from Idaho to Missoula
Explore the most affordable flight options available from Idaho to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:58 amBOI - MSO
1 stop11h 44mAlaska Airlines
Wed 12/315:20 amMSO - BOI
1 stop3h 55mAlaska Airlines
Deal found 11/26$238
This Alaska Airlines deal was found by Cheapflights users on 11/25. 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.
Wed 12/316:00 pmBOI - MSO
1 stop5h 42mAlaska Airlines
Sat 1/36:00 amMSO - BOI
1 stop4h 07mAlaska Airlines
Deal found 11/25$295
This Alaska Airlines deal was found by Cheapflights users on 11/25. 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.
Thu 12/257:00 amGEG - MSO
1 stop3h 49mAlaska Airlines
Thu 12/254:21 pmMSO - GEG
1 stop9h 11mAlaska Airlines
Deal found 11/25$304
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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 12/236:08 amBOI - MSO
1 stop17h 34mAlaska Airlines
Tue 12/306:00 amMSO - BOI
1 stop17h 37mAlaska Airlines
Deal found 11/24$345
This KAYAK deal was found by Cheapflights users on 11/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:55 amBOI - MSO
1 stop6h 37mAlaska Airlines
Wed 12/176:29 amMSO - BOI
1 stop4h 05mAlaska Airlines
Deal found 11/24$367
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:59 pmBOI - MSO
1 stop6h 27mAlaska Airlines
Thu 12/184:21 pmMSO - BOI
1 stop6h 05mAlaska Airlines
Deal found 11/25$415
This Alaska Airlines deal was found by Cheapflights users on 11/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:55 amBOI - MSO
1 stop6h 37mAlaska Airlines
Sat 12/134:22 pmMSO - BOI
2 stops29h 36mAlaska Airlines
Deal found 11/23$512
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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 12/910:00 amGEG - MSO
1 stop4h 32mAlaska Airlines
Sat 12/134:22 pmMSO - GEG
1 stop6h 06mAlaska Airlines
Deal found 11/24$516
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:00 amBOI - MSO
1 stop5h 32mAlaska Airlines
Fri 12/124:22 pmMSO - BOI
1 stop5h 23mAlaska Airlines
Deal found 11/25$517
This Alaska Airlines deal was found by Cheapflights users on 11/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:25 pmGEG - MSO
2 stops26h 07mAlaska Airlines
Tue 12/94:22 pmMSO - GEG
1 stop3h 43mAlaska Airlines
Deal found 11/26$728
This United Airlines deal was found by Cheapflights users on 11/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:00 amGEG - MSO
2 stops13h 18mUnited Airlines
Tue 12/96:15 amMSO - GEG
2 stops13h 29mUnited Airlines
Deal found 11/26$1,204

Cheap flight deals from Idaho to Missoula

Keep the following information in mind while searching for Idaho to Missoula flight deals. Data was last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$218
(Hawaiian Airlines)

One-way from

$136
(Kiwi.com)

Popular in

September

Cheapest in

February

Average price

$359
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Missoula Johnson-Bell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Missoula Johnson-Bell Field flights.
Search Deals
From Idaho to Missoula Johnson-Bell Field
Search Deals
One-way flight from Idaho to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Missoula 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 26, 2025.
Use the filters below to find and compare flights from Idaho to Missoula that are best for you.

Fly from

Idaho

Fly to

Missoula

Route

Depart

Return

Price

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Sat 1/10

8:00 am-1:23 pm

1 stop4h 23m

Missoula Johnson-Bell Field

Sat 1/17

6:23 am-11:12 am

1 stop5h 49m

$199

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Sat 2/28

7:05 am-12:21 pm

1 stop4h 16m

Missoula Johnson-Bell Field

Tue 3/3

4:20 pm-7:49 pm

1 stop4h 29m

$218

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Wed 12/24

11:58 am-11:42 pm

1 stop11h 44m

Missoula Johnson-Bell Field

Wed 12/31

5:20 am-9:15 am

1 stop3h 55m

$238

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Sat 2/28

5:00 am-12:59 pm

1 stop6h 59m

Missoula Johnson-Bell Field

Tue 3/3

1:01 pm-6:46 pm

1 stop6h 45m

$262

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Fri 1/9

7:59 pm-1:23 pm

1 stop17h 24m

Missoula Johnson-Bell Field

Sat 1/17

6:23 am-12:51 pm

1 stop6h 28m

$263

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Sat 2/28

1:20 pm-11:25 pm

2 stops9h 05m

Missoula Johnson-Bell Field

Tue 3/3

1:16 pm-10:50 pm

2 stops10h 34m

$266

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Sat 1/10

5:45 am-1:23 pm

2 stops6h 38m

Missoula Johnson-Bell Field

Sat 1/17

4:20 pm-9:25 pm

1 stop6h 05m

$266

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Thu 1/22

7:59 pm-1:23 pm

1 stop17h 24m

Missoula Johnson-Bell Field

Sun 1/25

6:23 am-3:10 pm

1 stop8h 47m

$284

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Wed 12/31

6:00 pm-11:42 pm

1 stop5h 42m

Missoula Johnson-Bell Field

Sat 1/3

6:00 am-10:07 am

1 stop4h 07m

$295

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Thu 12/25

7:00 am-11:49 am

1 stop3h 49m

Missoula Johnson-Bell Field

Thu 12/25

4:21 pm-12:32 am

1 stop9h 11m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 19 results
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Best time to book a flight from Idaho to Missoula

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

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

Currently, March is the cheapest month in which you can book a flight from Idaho to Missoula (average of $173). Flying from Idaho to Missoula in September is currently the most expensive (average of $512). 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 ID to MSO?

Find hourly flight availability from Idaho to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Missoula in the evening. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Missoula. 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 Missoula from Idaho?

    Missoula Johnson-Bell Field (MSO) is the airport you will fly into if you book a flight from Idaho to Missoula. It is only a 5.5 mi journey from Johnson-Bell Field (MSO) to Missoula’s city center.

  • How long is the flight from Idaho to Missoula?

    A quick flight from Idaho to Missoula can take about 4h 23m. Hawaiian Airlines provides one of the quickest options available for as low as $199. There are 168 mi between Idaho and Missoula. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to Missoula one-way?

    One-way options have recently been found by users for as low as $136 on Allegiant Air. Other airlines that offer cheap prices include Alaska Airlines from $333 and Delta from $477 one-way.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Idaho to Missoula (average of $173). Flying from Idaho to Missoula in September is currently the most expensive (average of $512). 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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Top 2 airlines flying from Idaho to Missoula

Discover the top 2 airlines that operate flights from Idaho to Missoula. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$336FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$254Average$412FlexibilityNo cancel feeOn-time75%

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