$163 Cheap flights from Lambert-St. Louis Intl. to Missoula Intl. (STL to MSO)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Missoula Intl.

Amazing STL to MSO Flight Deals

The cheapest flights to Missoula Intl. found within the past 7 days were $393 round trip and $163 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Jan 13 - Fri, Jan 31
STL
St. Louis
MSO
Missoula
$393 Roundtrip, found 2 days ago
$393
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Jan 13 from St. Louis to Missoula, returning Fri, Jan 31, priced at $393 found 2 days ago
Thu, Feb 20 - Sun, Feb 23
STL
St. Louis
MSO
Missoula
$405 Roundtrip, found 5 days ago
$405
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Feb 20 from St. Louis to Missoula, returning Sun, Feb 23, priced at $405 found 5 days ago
Sat, Jan 4 - Sat, Jan 11
STL
St. Louis
MSO
Missoula
$425 Roundtrip, found 2 days ago
$425
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jan 4 from St. Louis to Missoula, returning Sat, Jan 11, priced at $425 found 2 days ago
Fri, Jan 3 - Sat, Jan 11
STL
St. Louis
MSO
Missoula
$430 Roundtrip, found 2 days ago
$430
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 3 from St. Louis to Missoula, returning Sat, Jan 11, priced at $430 found 2 days ago
Fri, Apr 18 - Sun, Apr 20
STL
St. Louis
MSO
Missoula
$442 Roundtrip, found 15 hours ago
$442
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Fri, Apr 18 from St. Louis to Missoula, returning Sun, Apr 20, priced at $442 found 15 hours ago
Tue, May 6 - Tue, May 13
STL
St. Louis
MSO
Missoula
$453 Roundtrip, found 4 days ago
$453
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, May 6 from St. Louis to Missoula, returning Tue, May 13, priced at $453 found 4 days ago
Sun, Jan 5 - Sat, Jan 11
STL
St. Louis
MSO
Missoula
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Jan 5 from St. Louis to Missoula, returning Sat, Jan 11, priced at $461 found 2 days ago
Thu, Apr 3 - Sun, Apr 6
STL
St. Louis
MSO
Missoula
$473 Roundtrip, found 3 days ago
$473
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Apr 3 from St. Louis to Missoula, returning Sun, Apr 6, priced at $473 found 3 days ago
Tue, May 6 - Tue, May 13
STL
St. Louis
MSO
Missoula
$482 Roundtrip, found 4 days ago
$482
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, May 6 from St. Louis to Missoula, returning Tue, May 13, priced at $482 found 4 days ago
Wed, Jan 22 - Tue, Jan 28
STL
St. Louis
MSO
Missoula
$483 Roundtrip, found 2 hours ago
$483
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Jan 22 from St. Louis to Missoula, returning Tue, Jan 28, priced at $483 found 2 hours ago

Frequently asked questions

Can I catch a flight from Lambert Field to Missoula Intl. Airport (MSO) right now?
Make sure you go to our Covid-19 Travel Advisor to learn if there are any present travel advice reports and quarantine requirements in place in Missoula Intl. Airport when flying in from STL.
Are there direct flights from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport?
Unfortunately, there aren’t any direct flights from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport. However, we can direct you to airlines advertising flights with just one stopover. Try American Airlines, United Airlines or Delta.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Missoula Intl. Airport (MSO), please visit our Customer Service Portal.
How long is the flight from STL to Missoula Intl. Airport?
The flight between Lambert-St. Louis Intl. Airport (STL) and Missoula Intl. Airport is around 5 hours and 1 minute. Make your trip more enjoyable by downloading a few episodes on your laptop or tablet and enjoying them with your seat fully reclined.
What is the flight distance from Lambert-St. Louis Intl. Airport (STL) to Missoula Intl. Airport (MSO)?
Between Lambert Field and Missoula Intl. Airport (MSO), the flight distance is roughly 1,300 mi. So, fasten your seat belt and settle in. You’ve got some important choices to make — watch an in-flight movie, finish your novel or get some beauty sleep?
What airlines fly from STL to Missoula Intl. Airport?
There are currently no airlines offering a direct flight between Lambert-St. Louis Intl. Airport (STL) and Missoula Intl. Airport (MSO). Save time and avoid unnecessary layovers by researching the quickest routes in advance.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Delta, United Airlines or Alaska Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Missoula Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$393

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Missoula International Airport.


Origin:
STL - Lambert-St. Louis International Airport
Destination:
MSO - Missoula International Airport
Distance:
1,597.00 miles


Discover our best flights from St. Louis STL to Missoula MSO. 

With 19 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Missoula MSO at the right price  

Airfares to Missoula MSO from St. Louis STL currently cost between $393 and $483. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Missoula MSO 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Missoula MSO on Travelocity starting at $163. Prices and availability subject to change. Additional terms may apply. 

 

Get to Missoula MSO from St. Louis STL quicker with direct flights. 

Get to Missoula faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to MSO from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Missoula MSO

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to MSO from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Missoula MSO today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from St. Louis STL to Missoula MSO. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Missoula MSO from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to MSO from STL have this option.  

 

Travel with confidence when you book flights to Missoula MSO from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.