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Missoula

$148+ Cheap flights from Missouri 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSO
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
1 adult, Economy
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Cheap flight deals from Missouri to Missoula

Cheapest flights from Missouri to Missoula
Explore the most affordable flight options available from Missouri to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 10/316:13 am
MCI
-
MSO
1 stop9h 37m
Alaska Airlines
Wed 11/41:55 pm
MSO
-
MCI
1 stop9h 04m
Alaska Airlines
Deal found 5/12$317
This Delta deal was found by Cheapflights users on 5/13. 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.
Sun 9/137:40 pm
MCI
-
MSO
1 stop5h 44m
Delta
Sat 9/195:45 am
MSO
-
MCI
1 stop4h 47m
Delta
Deal found 5/13$328
This Delta deal was found by Cheapflights users on 5/13. 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 6/57:40 pm
MCI
-
MSO
1 stop5h 42m
Delta
Thu 6/116:29 pm
MSO
-
MCI
1 stop4h 49m
Delta
Deal found 5/13$339
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:40 am
MCI
-
MSO
1 stop6h 54m
Delta
Thu 6/115:55 am
MSO
-
MCI
1 stop4h 54m
Delta
Deal found 5/10$343
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:26 pm
MCI
-
MSO
1 stop7h 12m
United Airlines
Sat 6/135:20 pm
MSO
-
MCI
1 stop5h 05m
United Airlines
Deal found 5/10$349
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:35 pm
STL
-
MSO
1 stop5h 12m
Delta
Sat 8/155:57 am
MSO
-
STL
1 stop7h 45m
Delta
Deal found 5/12$349
This Delta deal was found by Cheapflights users on 5/11. 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 8/98:48 am
STL
-
MSO
2 stops9h 59m
Delta
Sat 8/155:57 am
MSO
-
STL
2 stops10h 17m
Delta
Deal found 5/11$359
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
MCI
-
MSO
1 stop6h 32m
United Airlines
Sat 6/135:20 pm
MSO
-
MCI
1 stop5h 05m
United Airlines
Deal found 5/10$360
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/265:45 pm
MCI
-
MSO
1 stop6h 55m
Delta
Sat 5/301:14 pm
MSO
-
MCI
1 stop6h 47m
Delta
Deal found 5/11$369
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:52 pm
STL
-
MSO
1 stop5h 42m
United Airlines
Thu 6/115:20 pm
MSO
-
STL
1 stop5h 37m
United Airlines
Deal found 5/11$374
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 8/46:51 am
MCI
-
MSO
1 stop6h 42m
Delta
Tue 8/116:27 pm
MSO
-
MCI
1 stop4h 36m
Delta
Deal found 5/11$378
This Delta deal was found by Cheapflights users on 5/11. 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.
Mon 6/85:36 pm
STL
-
MSO
2 stops7h 52m
Delta
Thu 6/115:31 am
MSO
-
STL
1 stop7h 05m
Delta
Deal found 5/11$379

Find flight deals from Missouri to Missoula

Keep the following information in mind while searching for Missouri to Missoula flight deals. Data was last updated May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Alaska Airlines)

One-way from

$148
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$448
Provider with most accurate pricing for Lambert-St Louis-Missoula Johnson-Bell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Missoula Johnson-Bell Field flights.
Search Deals
From Missouri to Missoula Johnson-Bell Field
Search Deals
One-way flight from Missouri to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 May 14, 2026.
Use the filters below to find and compare flights from Missouri to Missoula that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityMissoula

MCI - MSO

MCIMSO

Kansas City

Sun 9/13

7:40 pm-12:24 am

1 stop5h 44m

Missoula Johnson-Bell Field

Sat 9/19

5:45 am-11:32 am

1 stop4h 47m

$328

Kansas CityMissoula

MCI - MSO

MCIMSO

Kansas City

Wed 8/12

6:01 pm-11:47 pm

1 stop6h 46m

Missoula Johnson-Bell Field

Mon 8/17

6:27 pm-12:03 am

1 stop4h 36m

$328

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Tue 9/8

4:40 pm-9:26 pm

1 stop5h 46m

Missoula Johnson-Bell Field

Wed 9/16

10:30 am-4:31 pm

1 stop5h 01m

$349

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Mon 8/10

5:42 pm-11:52 pm

1 stop7h 10m

Missoula Johnson-Bell Field

Sat 8/15

7:13 am-1:34 pm

1 stop5h 21m

$349

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Wed 8/5

8:48 am-2:43 pm

1 stop6h 55m

Missoula Johnson-Bell Field

Tue 8/11

5:30 am-1:34 pm

1 stop7h 04m

$349

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Thu 9/24

6:59 pm-12:24 am

1 stop6h 25m

Missoula Johnson-Bell Field

Sun 9/27

5:45 am-11:30 am

1 stop4h 45m

$349

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Tue 9/8

5:30 pm-11:47 pm

1 stop7h 17m

Missoula Johnson-Bell Field

Wed 9/16

12:50 pm-11:37 pm

2 stops9h 47m

$354

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Sun 8/9

5:42 pm-11:52 pm

1 stop7h 10m

Missoula Johnson-Bell Field

Sat 8/15

5:57 am-5:14 pm

2 stops10h 17m

$354

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Tue 8/11

8:48 am-5:47 pm

2 stops9h 59m

Missoula Johnson-Bell Field

Tue 8/18

5:30 am-4:17 pm

2 stops9h 47m

$359

St. LouisMissoula

STL - MSO

STLMSO

Lambert-St Louis

Sun 8/2

8:48 am-5:45 pm

2 stops9h 57m

Missoula Johnson-Bell Field

Wed 8/12

6:27 pm-12:41 am

1 stop5h 14m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 49 resultsSorted by cheapest first
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Best time to book a flight from Missouri to Missoula

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

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

Currently, June is the cheapest month in which you can book a flight from Missouri to Missoula (average of $179). Flying from Missouri to Missoula in December is currently the most expensive (average of $559). 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 Missouri to Missoula?

Related info for your journey

Find useful and relevant information for your journey from Missouri 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 Missouri?

    If you book a flight to Missoula from Missouri, you will be flying to Johnson-Bell Field, which is the city’s only airport. Missoula Johnson-Bell Field (MSO) is located 5.5 mi from the center of Missoula.

  • How long is the flight from Missouri to Missoula?

    For as low as $328, Delta can have you in Missoula from Missouri in 5h 44m. There are 1105 mi between Missouri and Missoula. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Missouri to Missoula are United Airlines ($145), Delta ($158), and American Airlines ($174).

  • What are the most popular routes from Missouri to Missoula?

    The most popular flight routes from Missouri to Missoula are Lambert-St Louis - Missoula Johnson-Bell Field, Kansas City - Missoula Johnson-Bell Field and Springfield-Branson - Missoula Johnson-Bell Field.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Missouri to Missoula (average of $179). Flying from Missouri to Missoula in December is currently the most expensive (average of $559). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Missouri to Missoula

Discover the top 4 airlines that operate flights from Missouri 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 May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$257Average$474FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$270Average$461FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$290Average$330FlexibilityNo cancel feeOn-time75%

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