About Missoula International Airport
Missoula International Airport (MSO) serves Missoula and western Montana.
In our search over 29 November to 6 December 2026, Allegiant Air flies direct from Las Vegas and Phoenix Mesa, and one stop is available from Minneapolis, Seattle, Portland and Denver. The fares below are dated.
Taxis, ride-hailing and rental cars connect the airport with downtown in about 10 minutes.
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Cheap Flights to Missoula International Airport
Lowest one-way fares to Missoula from popular departure cities
*All above fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions.
Cheapest Routes to Missoula International Airport
Lowest one-way fares we found for 29 November to 6 December 2026 on direct and one-stop itineraries booked on a single ticket. Fares change often, so check your own dates.
| From | Airline | Stops | Duration | Date | Fare from |
|---|---|---|---|---|---|
| Las Vegas (LAS) | Allegiant Air | Direct | 2h 24m | 4 Dec | $50 |
| Phoenix Mesa (AZA) | Allegiant Air | Direct | 2h 43m | 3 Dec | $71 |
| Minneapolis (MSP) | Alaska Airlines | 1 stop | 9h 40m | 4 Dec | $108 |
| Seattle (SEA) | Alaska Airlines | 1 stop | 3h 38m | 5 Dec | $138 |
| Portland (PDX) | Alaska Airlines | 1 stop | 3h 53m | 5 Dec | $138 |
| Denver (DEN) | Alaska Airlines | 1 stop | 5h 43m | 3 Dec | $157 |
Airlines Flying to Missoula International Airport
Carriers that showed up in our search for this airport
Allegiant Air
Allegiant Air flights to Missoula International Airport appeared in our search from 2 cities, with one-way fares starting at $50 for 29 November to 6 December 2026.
Routes: Las Vegas (LAS), Phoenix Mesa (AZA)
Alaska Airlines
Alaska Airlines flights to Missoula International Airport appeared in our search from 4 cities, with one-way fares starting at $108 for 29 November to 6 December 2026.
Routes: Minneapolis (MSP), Seattle (SEA), Portland (PDX), Denver (DEN)
Things to Do Near Missoula International Airport
Highlights around Missoula
University of Montana
Grizzlies football.
Clark Fork River
Kayaking.
Glacier National Park
About 2.5 hours away.
Lolo Peak
Mountain trails.
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Frequently Asked Questions
Everything you need to know about flying to Missoula International Airport
Which airport serves Missoula?
Missoula International Airport (MSO) serves Missoula, United States. It is about 5 km northwest of Missoula, Montana.
Are there direct flights to Missoula?
Yes. In our search over 29 November to 6 December 2026 we found direct flights from Las Vegas (Allegiant Air), Phoenix Mesa (Allegiant Air). Availability varies by date.
What is the cheapest way to fly to Missoula?
The lowest fare we found was US$50 one-way, direct from Las Vegas on Allegiant Air, on 4 Dec 2026. Fares change often, so compare dates.
Do I need a visa to visit United States?
Citizens of many countries can enter the United States visa-free through the Visa Waiver Program with an approved ESTA; others need a visa. Check the rules for your passport before you travel.
What currency is used in Missoula?
The United States uses the US dollar (USD).
