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$269+ Cheap flights from St. Louis to Missoula (STL - MSO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSO
jul. 30 — ago. 61
From?
To?
mar. 7/30
mar. 8/6
1 adult, Economy
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The best prices from Lambert-St Louis to Missoula Johnson-Bell Field are usually found in February or March, booked 88 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from St. Louis to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 25, 2024.

Popular in

October

Cheapest in

February

Average price

$645

Round-trip from

$269
(Expedia)
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 35% potential price drop
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Average for round-trip flights in July 2024
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From Lambert-St Louis to Missoula Johnson-Bell Field
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What is the cheapest day to fly round-trip from St. Louis to Missoula?

Monday is generally a great day to depart. Flying on this day could help you save up to 33%.

How far in advance should I book a flight from St. Louis to Missoula?

Find a great deal and save up to 114% by booking at least 23 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Missoula within the next two weeks, with the cheapest ticket starting at $615.

What is the cheapest month to fly from St. Louis to Missoula?

The best pricing can be found in the month of February. Prices to Missoula from St. Louis average $506. You can even find prices in February for less than $506, as users have found deals to Missoula from as low as $314. The month of October appears to be one of the more expensive times to travel to Missoula from St. Louis. Flying in the targeted month can save you up to 30%.

What is the cheapest time of day to fly from STL to MSO?

One of the essential ways to save on airfare from St. Louis to Missoula is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 66% on airfare.

Cheap St. Louis to Missoula flights in July & August 2024

Find cheap flight options from St. Louis to Missoula specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on julio 25, 2024.
Scroll through some of the best deals on flights from St. Louis to Missoula in 2024. Check back in a little while for more flight options.
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/412:58 pmSTL - MSO
1 stop25h 04mFrontier
vie. 8/93:13 pmMSO - STL
1 stop17h 12mFrontier
Deal found 7/25$330
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/207:00 amSTL - MSO
1 stop7h 47mAmerican Airlines
vie. 8/301:31 pmMSO - STL
1 stop8h 17mAmerican Airlines
Deal found 7/24$348
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/217:00 amSTL - MSO
1 stop7h 47mAmerican Airlines
mié. 8/281:31 pmMSO - STL
1 stop8h 17mAmerican Airlines
Deal found 7/24$479
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/206:34 amSTL - MSO
2 stops15h 51mUnited Airlines
vie. 8/302:33 pmMSO - STL
1 stop5h 55mUnited Airlines
Deal found 7/24$487
This Delta deal was found by Cheapflights users on 7/25. 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.
jue. 8/226:30 pmSTL - MSO
1 stop6h 57mDelta
dom. 8/255:33 amMSO - STL
1 stop7h 07mDelta
Deal found 7/25$503
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/206:34 amSTL - MSO
2 stops15h 51mUnited Airlines
vie. 8/305:05 pmMSO - STL
2 stops20h 48mUnited Airlines
Deal found 7/24$505
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/86:30 amSTL - MSO
1 stop6h 25mUnited Airlines
jue. 8/152:29 pmMSO - STL
1 stop6h 42mUnited Airlines
Deal found 7/25$508
This Delta deal was found by Cheapflights users on 7/25. 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.
jue. 8/223:28 pmSTL - MSO
2 stops9h 59mDelta
dom. 8/255:33 amMSO - STL
1 stop7h 07mDelta
Deal found 7/25$563
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/86:30 amSTL - MSO
2 stops9h 57mUnited Airlines
jue. 8/152:29 pmMSO - STL
1 stop6h 42mUnited Airlines
Deal found 7/25$566

St. Louis to Missoula 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Missoula in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.
Scroll through some of the best deals on flights from St. Louis to Missoula in 2024. Check back in a little while for more flight options.
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/412:58 pmSTL - MSO
1 stop25h 04mFrontier
vie. 8/93:13 pmMSO - STL
1 stop17h 12mFrontier
Deal found 7/25$330
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/207:00 amSTL - MSO
1 stop7h 47mAmerican Airlines
vie. 8/301:31 pmMSO - STL
1 stop8h 17mAmerican Airlines
Deal found 7/24$348
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/217:00 amSTL - MSO
1 stop7h 47mAmerican Airlines
mié. 8/281:31 pmMSO - STL
1 stop8h 17mAmerican Airlines
Deal found 7/24$479
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/206:34 amSTL - MSO
2 stops15h 51mUnited Airlines
vie. 8/302:33 pmMSO - STL
1 stop5h 55mUnited Airlines
Deal found 7/24$487
This Delta deal was found by Cheapflights users on 7/25. 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.
jue. 8/226:30 pmSTL - MSO
1 stop6h 57mDelta
dom. 8/255:33 amMSO - STL
1 stop7h 07mDelta
Deal found 7/25$503
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/206:34 amSTL - MSO
2 stops15h 51mUnited Airlines
vie. 8/305:05 pmMSO - STL
2 stops20h 48mUnited Airlines
Deal found 7/24$505
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/86:30 amSTL - MSO
1 stop6h 25mUnited Airlines
jue. 8/152:29 pmMSO - STL
1 stop6h 42mUnited Airlines
Deal found 7/25$508
This Delta deal was found by Cheapflights users on 7/25. 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.
jue. 8/223:28 pmSTL - MSO
2 stops9h 59mDelta
dom. 8/255:33 amMSO - STL
1 stop7h 07mDelta
Deal found 7/25$563
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/86:30 amSTL - MSO
2 stops9h 57mUnited Airlines
jue. 8/152:29 pmMSO - STL
1 stop6h 42mUnited Airlines
Deal found 7/25$566

St. Louis to Missoula flights leaving soon

Find last-minute flight options from St. Louis to Missoula for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.
Check out these flights departing soon from St. Louis to Missoula. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/412:58 pmSTL - MSO
1 stop25h 04mFrontier
vie. 8/93:13 pmMSO - STL
1 stop17h 12mFrontier
Deal found 7/25$330
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/48:55 amSTL - MSO
1 stop8h 25mUnited Airlines
mié. 8/76:20 amMSO - STL
1 stop14h 51mUnited Airlines
Deal found 7/25$660
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/44:36 pmSTL - MSO
1 stop5h 47mUnited Airlines
mié. 8/75:25 pmMSO - STL
2 stops17h 52mUnited Airlines
Deal found 7/25$675
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/46:19 pmSTL - MSO
3 stops22h 10mMultiple Airlines
vie. 8/910:09 pmMSO - STL
3 stops31h 51mMultiple Airlines
Deal found 7/25$680
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/46:30 amSTL - MSO
1 stop6h 25mUnited Airlines
vie. 8/96:20 amMSO - STL
2 stops15h 11mUnited Airlines
Deal found 7/25$699
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/45:03 pmSTL - MSO
2 stops17h 44mUnited Airlines
mié. 8/75:25 pmMSO - STL
2 stops17h 52mUnited Airlines
Deal found 7/25$715
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/45:03 pmSTL - MSO
2 stops17h 44mUnited Airlines
vie. 8/96:20 amMSO - STL
2 stops15h 11mUnited Airlines
Deal found 7/25$740

Find flights from St. Louis to Missoula within your budget

Customize your flight search to find flights from St. Louis 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 2,752,877 searches. Data last updated julio 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$269 - $466

Route

Depart

Return

Price

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

lun. 9/23

1 stop7h 51m

Missoula Johnson-Bell Field

lun. 9/30

1 stop5h 04m

$269

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

mar. 8/20

1 stop7h 47m

Missoula Johnson-Bell Field

vie. 8/30

1 stop8h 17m

$348

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

lun. 9/23

2 stops10h 32m

Missoula Johnson-Bell Field

mar. 10/1

1 stop5h 16m

$353

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

lun. 9/23

1 stop16h 17m

Missoula Johnson-Bell Field

vie. 9/27

1 stop8h 18m

$368

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

lun. 9/23

2 stops11h 11m

Missoula Johnson-Bell Field

lun. 9/30

1 stop5h 16m

$373

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

lun. 9/23

2 stops9h 58m

Missoula Johnson-Bell Field

dom. 9/29

2 stops9h 20m

$378

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

lun. 9/23

1 stop7h 51m

Missoula Johnson-Bell Field

dom. 9/29

1 stop6h 26m

$388

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

mar. 8/13

1 stop18h 11m

Missoula Johnson-Bell Field

mar. 8/20

1 stop5h 28m

$462

Lambert-St LouisMissoula Johnson-Bell Field

STL - MSO

STLMSO

Lambert-St Louis

vie. 8/16

3 stops23h 23m

Missoula Johnson-Bell Field

lun. 8/19

3 stops23h 26m

$466

Flights are sorted by cheapest first

Deals found on 7/24

How far ahead should I book a flight from St. Louis to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Missoula. Price data was last updated on July 25, 2024.
The best time to book flights from St. Louis to Missoula is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from St. Louis to Missoula?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Missoula. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Missoula flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from St. Louis 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.

Temperature and rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average temperature and rainfall totals by month.

MSO

Temperature

24.8 - 68 °F

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated julio 25, 2024.
See what other customers who have flown with United Airlines, American Airlines and Delta from St. Louis to Missoula have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Missoula for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Missoula for under $300. The cheapest flight booked recently is on Multiple Airlines for just $269, but on average you can expect to pay $433.

  • Are there last-minute flights available from St. Louis to Missoula for under $400?

    There are currently 7+ open flights from St. Louis to Missoula within the next 7 days for less than $400.

  • What are the cheapest airlines flying from St. Louis to Missoula round-trip?

    Cheapflights users have booked flights from St. Louis to Missoula round-trip from $348. Other airlines that can offer you cheap pricing are Delta, from $353, and Alaska Airlines, from $368. These flights start at 31% lower than the current average price 3 months from now.

  • What does STL to MSO mean?

    Lambert-St Louis Airport is STL and Missoula Johnson-Bell Field Airport is MSO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from St. Louis to Missoula that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Missoula flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Missoula with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Missoula flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Missoula that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Missoula?

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

  • Can I find deals for business class flights from St. Louis to Missoula?

    Yes. Cheapflights offers flight deals from St. Louis 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.

  • Can I find deals for flights from St. Louis to Missoula that allow pets onboard?

    Many airlines flying from St. Louis to Missoula offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Missoula?

    Yes, you can often find last-minute deals on St. Louis to Missoula flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Missoula flight deals updated?

    The St. Louis to Missoula flight deals you see on this page were last updated on 7/25.

  • What are the most popular airlines that fly from St. Louis to Missoula?

    American Airlines, Delta and United Airlines are the most popular airlines when flying from St. Louis to Missoula.

  • What is the cheapest month to book a flight from St. Louis to Missoula?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Missoula (average of $405). Flying from St. Louis to Missoula in April is currently the most expensive (average of $519). 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 3 airlines flying from St. Louis to Missoula

Discover the top 3 airlines that operate flights from St. Louis 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 2,752,877 searches. Data last updated julio 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$467FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$352Average$597FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$373Average$633FlexibilityNo cancel feeOn-time69%
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