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Find the lowest MSO airfares by comparing hundreds of airlines and agencies.
Good to Know: Flights to MSO
Useful information for finding cheap flights to Missoula International and booking your next trip
Cheapest Round Trip Flight
$338
Alaska Airlines
• 1 stop
• 15h 48m
Sep 18 – Sep 21
The cheapest round trip flight from St Louis to Missoula (STL-MSO-STL) is currently $338
Cheapest One way Flight
$557
Delta Airlines
• 1 stop
• 9h 19m
Aug 28
The cheapest one way flight from Fresno to Missoula (FAT-MSO) is currently $557
Fastest Flight
7h 28m
The fastest nonstop flight from Fresno to Missoula (FAT-MSO) takes 7h 28m
Top Airlines Flying to Missoula International (MSO)
Best Flight Deals to Missoula
Identify the most efficient round-trip flights to Missoula. We present options balancing cost and convenience for your return journey.
Sep 18 - Sep 21, Economy
St Louis → Missoula
15h 48m
6:29 AM - 3:17 PM • 1 stop
St Louis → Missoula
10h 43m
4:16 PM - 11:59 PM • 1 stop
Alaska Airlines
Sep 18 - Sep 21, Economy
St Louis → Missoula
14h 2m
3:19 PM - 11:01 PM • 1 stop
St Louis → Missoula
14h 14m
2:05 PM - 11:59 PM • 1 stop
Alaska Airlines
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
11h 50m
6:29 AM - 12:39 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
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
For travel requiring no set return, access available one-way flights to Missoula (MSO). These options support extended stays or open-ended plans.
Need to travel to Missoula soon? View current last-minute flight options to MSO for spontaneous or pressing plans.
FAQs on Flights to Missoula (MSO)
Which airlines fly to Missoula?
Airlines flying the most to Missoula (MSO)
What is the cheapest flight to MSO Airport?
In the past couple of days, the cheapest tickets to MSO were found on AS : USD 1166
What are the most popular origin to Missoula (MSO)?
Travelers frequently travel from Fresno, St Louis to Missoula (MSO)
Airport Information: Missoula International (MSO)
- IATA Code
- MSO
- Name
- Missoula International
- City
- Missoula
- Country
- US
- Latitude
- 46.91630172729492
- Longitude
- -114.09100341796875
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