$51 Flights from Phoenix (PHXA) to Missoula (MSO)

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Flight deals from Phoenix to Missoula Airport

Looking for a cheap last-minute deal or the best round-trip flight from Phoenix to Missoula Airport? If you want to travel next month, round-trip fares start from $154. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Phoenix to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Missoula flights are currently cheapest in June.

Direct flights from Phoenix to Missoula

Phoenix to Missoula: Alternative routes

Compare routes from Phoenix to Missoula below. You may find an airport to fly into that's cheaper, faster, or easier than Missoula.

Phoenix to Missoula: Flight information

The things to know before you go.
Cheapest flight found$51
Cheapest month to flyJune
Average flight time2 hrs, 28 mins
Most popular airlineAllegiant Air
Average flights per week12

Finding cheap flights from Phoenix to Missoula: Frequently asked questions

The best price we found for a round-trip flight from Phoenix to Missoula is $109. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 28 minutes is the average flight time from Phoenix to Missoula.
Allegiant Air flies direct from Phoenix to Missoula.
There are 4 flights per week flying from Phoenix to Missoula, as of April 2026.
The cheapest month to fly from Phoenix to Missoula is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Missoula Airport on Saturday, June 20, 2026.
Yes – the average flight time is 2 hours and 28 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Missoula but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Missoula is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Missoula is Allegiant Air.

Flying from Phoenix to Missoula International Airport (MSO): What you need to know

  • Start planning your trip by checking out where you'll catch your flight from Phoenix to Missoula International Airport (MSO). Explore your options for setting off from Phoenix Sky Harbor International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA), the city's main airports.

  • Missoula International Airport is located in Missoula. The city operates on the UTC-6 timezone and is one hour ahead of Phoenix.

  • Arrive at the airport on time so you don't miss your flight from Phoenix to MSO. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Peak travel periods mean busier airports, so plan to arrive even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stick to your schedule.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

  • SCF is about 20 miles from central Phoenix. If you're catching a cab, driving or ride-sharing from the center, it'll take you 35 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the trip time to be around 1 hour 55 minutes.

  • Looking for a convenient hotel close to Phoenix Scottsdale Municipal Airport? If you've booked an early flight from Phoenix to Missoula International Airport, these accommodation options will have you sleeping moments from your departure lounge:

Phoenix Sky Harbor International Airport (PHX)

  • Using public transport, you can travel from central Phoenix to PHX in around 35 minutes. The airport is roughly 5 miles away, and getting there by car takes approximately 10 minutes.

  • Want to enjoy an extra night away before catching your Phoenix to MSO flight? Relax in a hotel near Phoenix Sky Harbor International Airport before your vacation officially starts. These stays are calling your name:

  • Phoenix Sky Harbor International Airport has a solid reputation for punctual service. 82.57% of flights taking off from here meet their scheduled arrival times without fail.

  • PHX is located at 3400 Sky Harbor Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • Enjoy a hassle-free trip from start to finish from Phoenix-Mesa Gateway Airport (AZA). Direct flights from Phoenix to Missoula International Airport are available from here.

  • Get ready to jet away with Allegiant Air. It offers direct Phoenix to MSO plane tickets from AZA.

  • Allegiant Air is the most frequently chosen airline for flights from AZA to MSO.

  • Allegiant Air ranks as the top on-time carrier on this route, with 80.0% of its services landing on schedule.

  • Is around AZA 35 miles from central Phoenix. The drive from the city center to the airport takes roughly 40 minutes.

  • Rest a little longer, move a little slower, and still make your Phoenix to Missoula International Airport flight with plenty of time to spare. These accommodation options near Phoenix-Mesa Gateway Airport make departure day effortless if you're flying out first thing:

  • Airports have an on-time performance rating that measures how often flights touch down within the expected time frame. At AZA, that rate is 78.65%.

  • The address of Phoenix-Mesa Gateway Airport is 6033 S. Sossaman Rd..

About Missoula International Airport (MSO)

Getting from Missoula International Airport (MSO) to central Missoula

  • Missoula International Airport is around 7 miles from central Missoula. It takes around 10 minutes or so to drive to the city.

  • It'll take around 35 minutes when traveling by public transport.

How to find the cheapest flights from Phoenix to Missoula International Airport (MSO)

  • The lowest price we've found for a one-way ticket from Phoenix to Missoula International Airport is $51. For a return flight on this route, the best price is $109. Depending on the availability and when you book, these fares can change.

  • Get your hands on cheap flights from Phoenix to MSO by booking two months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • July is when you're most likely to find a good deal on a Phoenix to Missoula International Airport ticket. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • You don't need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a new deal shows up on plane tickets from Phoenix to MSO.

  • Uncover a great deal on a flight from Phoenix to Missoula International Airport with the help of the filters. Pick your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Phoenix to Missoula International Airport (MSO)

  • Think about the kind of experience you want when deciding your trip dates. February is the quietest month to visit Missoula. July is when most people book flights from Phoenix to Missoula International Airport (MSO), which may be perfect if you're after more excitement.

  • The warmest month in Missoula is July, with temperatures ranging between 46ºF and 91ºF. Book your Phoenix to MSO plane ticket then if you enjoy this type of weather.

  • If you like cooler conditions, look for a cheap ticket from Phoenix to Missoula International Airport in December when temperatures are between 5ºF and 37ºF.

More about Missoula

Explore more of the United States

  • You've seen Missoula, now it's time to discover other corners of the United States. Journey around 160 miles west to Spokane to check off its leading sights. From Spokane Falls (Upper Falls) to Riverside State Park and Riverside State Park - Equestrian Campground and Day-Use, your itinerary will be busy.

  • If you're interested in discovering another major stop in the United States, consider Spokane Valley, about 160 miles west of Missoula. Nodland Cellars, Bead Lake Loop and Appleway Trail are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.