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Missoula

$137+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MSO
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
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 October 22, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 11/125:51 amGEG - MSO
1 stop5h 28mAlaska Airlines
Fri 11/144:12 pmMSO - GEG
1 stop19h 43mAlaska Airlines
Deal found 10/20$194
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 11/132:20 pmBOI - MSO
1 stop9h 23mAlaska Airlines
Sat 11/156:32 amMSO - BOI
1 stop11h 30mAlaska Airlines
Deal found 10/20$242
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 11/171:20 pmGEG - MSO
1 stop25h 04mAlaska Airlines
Mon 11/246:02 amMSO - GEG
1 stop17h 42mAlaska Airlines
Deal found 10/20$245
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/207:35 amGEG - MSO
1 stop15h 08mAlaska Airlines
Thu 11/271:31 pmMSO - GEG
1 stop3h 28mAlaska Airlines
Deal found 10/21$253
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 11/114:20 pmBOI - MSO
2 stops7h 23mAlaska Airlines
Wed 11/126:32 amMSO - BOI
2 stops10h 39mAlaska Airlines
Deal found 10/20$273
This Delta deal was found by Cheapflights users on 10/20. 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 11/115:58 pmBOI - MSO
1 stop6h 21mDelta
Wed 11/125:25 amMSO - BOI
1 stop4h 47mDelta
Deal found 10/20$281
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/2011:43 amBOI - MSO
1 stop12h 00mAlaska Airlines
Sun 11/236:02 amMSO - BOI
1 stop9h 32mAlaska Airlines
Deal found 10/21$313
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/215:30 amGEG - MSO
1 stop17h 20mAlaska Airlines
Sun 11/235:30 amMSO - GEG
1 stop3h 43mAlaska Airlines
Deal found 10/21$333
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 12/2910:47 pmBOI - MSO
2 stops24h 55mAlaska Airlines
Sat 1/36:00 amMSO - BOI
1 stop17h 37mAlaska Airlines
Deal found 10/20$351
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 11/1910:04 amBOI - MSO
1 stop5h 20mAlaska Airlines
Wed 11/264:20 pmMSO - BOI
1 stop23h 14mAlaska Airlines
Deal found 10/20$398
This KAYAK deal was found by Cheapflights users on 10/19. 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 10/231:44 pmGEG - MSO
2 stops9h 15mAlaska Airlines
Sat 10/254:12 pmMSO - GEG
1 stop5h 01mAlaska Airlines
Deal found 10/19$863

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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$194
(Alaska Airlines)

One-way from

$137
(Alaska Airlines)

Popular in

September

Cheapest in

February

Average price

$781
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. 27% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 22, 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

Wed 11/12

5:51 am-12:19 pm

1 stop5h 28m

Missoula Johnson-Bell Field

Fri 11/14

4:12 pm-10:55 am

1 stop19h 43m

$194

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Fri 1/16

9:05 am-12:23 pm

1 stop26h 18m

Missoula Johnson-Bell Field

Mon 1/19

4:20 pm-3:03 pm

1 stop23h 43m

$242

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Thu 11/13

2:20 pm-11:43 pm

1 stop9h 23m

Missoula Johnson-Bell Field

Sat 11/15

6:32 am-6:02 pm

1 stop11h 30m

$242

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Mon 11/17

1:20 pm-3:24 pm

1 stop25h 04m

Missoula Johnson-Bell Field

Mon 11/24

6:02 am-10:44 pm

1 stop17h 42m

$245

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Thu 11/20

7:35 am-11:43 pm

1 stop15h 08m

Missoula Johnson-Bell Field

Thu 11/27

1:31 pm-3:59 pm

1 stop3h 28m

$253

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Sun 1/11

6:00 pm-11:46 pm

1 stop4h 46m

Missoula Johnson-Bell Field

Sun 1/18

6:23 am-12:44 pm

1 stop7h 21m

$262

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Tue 11/11

4:20 pm-11:43 pm

2 stops7h 23m

Missoula Johnson-Bell Field

Wed 11/12

6:32 am-5:11 pm

2 stops10h 39m

$273

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Tue 11/11

5:58 pm-12:19 am

1 stop6h 21m

Missoula Johnson-Bell Field

Wed 11/12

5:25 am-10:12 am

1 stop4h 47m

$281

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Sun 1/11

12:23 pm-10:03 am

2 stops20h 40m

Missoula Johnson-Bell Field

Sun 1/18

7:23 pm-9:58 am

1 stop15h 35m

$283

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Thu 11/20

11:43 am-11:43 pm

1 stop12h 00m

Missoula Johnson-Bell Field

Sun 11/23

6:02 am-3:34 pm

1 stop9h 32m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 23 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 October 22, 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.

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

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 5h 28m. Alaska Airlines provides one of the quickest options available for as low as $194. There are 168 mi between Idaho and Missoula. This flight may include one or multiple stops.

  • 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$240Average$447FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$274Average$408FlexibilityNo cancel feeOn-time75%

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