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Uncover the best deals on St Louis to Missoula flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - MSO Flights
Useful information for finding best airline tickets from Lambert St Louis International to Missoula International on your next trip.
Cheapest Round Trip Flight
$355
Alaska Airlines
• 2 stops
• 32h 11m
Sep 18 – Sep 21
The cheapest round trip flight from St Louis to Missoula (STL-MSO-STL) is currently $355
Fastest Flight
8h 58m
The fastest nonstop flight from St Louis to Missoula (STL-MSO) takes 8h 58m
Top Airlines Flying from St Louis to Missoula
Latest Flight Deals from St Louis (STL) to Missoula (MSO)
Compare and book low fare round-trip air tickets from St Louis to Missoula. Ideal for travelers with confirmed return itineraries.
Sep 18 - Sep 21, Economy
St Louis → Missoula
32h 11m
6:08 PM - 12:39 PM • 2 stops
St Louis → Missoula
14h 14m
2:05 PM - 11:59 PM • 1 stop
Alaska Airlines
Sep 18 - Sep 21, Economy
St Louis → Missoula
15h 48m
6:29 AM - 3:17 PM • 1 stop
St Louis → Missoula
15h 10m
7:00 AM - 5:10 PM • 2 stops
Alaska Airlines
Sep 18 - Sep 21, Economy
St Louis → Missoula
12h 22m
8:42 AM - 3:24 PM • 1 stop
St Louis → Missoula
7h 38m
2:40 PM - 8:38 PM • 1 stop
United Airlines
Sep 18 - Sep 21, Economy
St Louis → Missoula
8h 58m
9:00 AM - 1:38 PM • 1 stop
St Louis → Missoula
7h 38m
2:40 PM - 8:38 PM • 1 stop
United Airlines
Sep 18 - Sep 21, Economy
St Louis → Missoula
10h 34m
7:21 AM - 12:55 PM • 1 stop
St Louis → Missoula
16h 40m
1:27 PM - 12:27 AM • 2 stops
American Airlines
FAQs on St Louis to Missoula Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to MSO?
The most popular airline flying from St Louis to Missoula are
Can I fly from STL to MSO non-stop?
NO
Which airlines fly nonstop between St Louis and Missoula?
The non-stop flights between St Louis and Missoula are .
What’s the earliest departure time from STL to MSO Airport?
The earliest flight leaves STL at 5:43 am and lands in MSO - Missoula International
What are the airports in Missoula?
MSO
Can I make changes to my St Louis to Missoula flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to MSO?
Read the fare rules of the St Louis to Missoula air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Missoula?
operate flights between St Louis and Missoula
How long does a flight from St Louis to Missoula take?
It takes approximately 3 hour to fly non-stop from STL to MSO, which is 1323.53 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Missoula (MSO) ?
In the past couple of days, the cheapest tickets to MSO from STL were found on AS : USD 355
Do I need a passport to fly between STL and MSO?
No
What’s the latest departure time from STL to MSO ?
The last flight leaves STL at 6:08 pm
St Louis (STL) to Missoula (MSO): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Missoula International , Missoula, US |
| Distance | 1324 miles |
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