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Missoula

$178+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MSO
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/27. 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 amBOI - MSO
1 stop4h 46mAlaska Airlines
Sat 1/312:03 pmMSO - BOI
1 stop4h 19mAlaska Airlines
Deal found 12/27$512
This Alaska Airlines deal was found by Cheapflights users on 12/25. 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.
Tue 12/306:08 amBOI - MSO
1 stop5h 41mAlaska Airlines
Wed 1/74:20 pmMSO - BOI
2 stops29h 49mAlaska Airlines
Deal found 12/25$706
This Alaska Airlines deal was found by Cheapflights users on 12/25. 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.
Mon 12/293:45 pmBOI - MSO
1 stop7h 57mAlaska Airlines
Mon 1/54:21 pmMSO - BOI
1 stop4h 49mAlaska Airlines
Deal found 12/25$736
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 12/291:00 pmBOI - MSO
1 stop4h 35mDelta
Wed 12/315:20 amMSO - BOI
1 stop6h 42mDelta
Deal found 12/26$787
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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.
Mon 12/2910:47 amBOI - MSO
1 stop4h 46mAlaska Airlines
Wed 12/316:00 amMSO - BOI
2 stops14h 10mAlaska Airlines
Deal found 12/26$912
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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.
Sat 12/271:42 pmGEG - MSO
1 stop9h 00mAlaska Airlines
Sun 12/281:34 pmMSO - GEG
1 stop4h 23mAlaska Airlines
Deal found 12/26$1,028

Find flight deals from Idaho to Missoula

Keep the following information in mind while searching for Idaho to Missoula flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$218
(Alaska Airlines)

One-way from

$178
(Alaska Airlines)

Popular in

September

Cheapest in

February

Average price

$662
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Missoula Johnson-Bell Field flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Missoula Johnson-Bell Field flights.
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From Idaho to Missoula Johnson-Bell Field
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One-way flight from Idaho to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 28, 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 1/31

6:29 pm-11:55 pm

1 stop4h 26m

Missoula Johnson-Bell Field

Wed 2/4

6:23 am-11:12 am

1 stop5h 49m

$218

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Sat 1/24

11:35 am-3:31 pm

1 stop3h 56m

Missoula Johnson-Bell Field

Tue 1/27

4:20 pm-11:01 pm

1 stop6h 41m

$238

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Sat 1/24

11:35 am-3:31 pm

1 stop3h 56m

Missoula Johnson-Bell Field

Sat 1/31

2:03 pm-6:22 pm

1 stop4h 19m

$238

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Mon 2/2

5:55 pm-12:23 pm

1 stop18h 28m

Missoula Johnson-Bell Field

Sat 2/7

6:23 am-10:52 am

1 stop4h 29m

$264

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Mon 2/2

5:55 pm-12:23 pm

1 stop18h 28m

Missoula Johnson-Bell Field

Sun 2/8

6:23 am-3:10 pm

1 stop8h 47m

$275

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Mon 1/26

3:43 pm-12:23 pm

1 stop20h 40m

Missoula Johnson-Bell Field

Thu 2/5

6:23 am-12:51 pm

1 stop6h 28m

$275

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Thu 1/22

10:00 am-3:31 pm

1 stop5h 31m

Missoula Johnson-Bell Field

Sun 1/25

2:03 pm-12:51 pm

1 stop22h 48m

$285

SpokaneMissoula

GEG - MSO

GEGMSO

Spokane

Thu 3/19

5:00 am-12:31 pm

1 stop6h 31m

$178

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Thu 1/29

9:02 am-3:31 pm

1 stop6h 29m

$178

BoiseMissoula

BOI - MSO

BOIMSO

Boise Air Term. Gowen Fld

Thu 1/29

8:58 pm-12:23 pm

3 stops39h 25m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 11 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, May is the cheapest month in which you can book a flight from Idaho to Missoula (average of $214). Flying from Idaho to Missoula in September is currently the most expensive (average of $786). 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.

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 26m. Alaska Airlines provides one of the quickest options available for as low as $218. There are 168 mi between Idaho and Missoula.

  • 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, May is the cheapest month in which you can book a flight from Idaho to Missoula (average of $214). Flying from Idaho to Missoula in September is currently the most expensive (average of $786). 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$336FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$254Average$392FlexibilityNo cancel feeOn-time75%

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