C$71 Cheap Flights from Phoenix (PHXA) to Missoula (MSO)

Compare Phoenix to Missoula flight deals

Find the cheapest month or even day of the year to fly to Missoula

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Flight deals from Phoenix to Missoula

Looking for a cheap last-minute deal or the best return flight from Phoenix to Missoula Airport? If you want to travel next month, return fares start from C$215. Find the lowest prices on one-way and return 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 April.

Which airlines fly 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 foundC$71
Cheapest month to flyJune
Average flight time2 hrs, 28 mins
Most popular airlineAllegiant Air
Average flights per week3

Finding cheap flights from Phoenix to Missoula: Frequently asked questions

The best price we found for a return flight from Phoenix to Missoula is C$164. 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.
As of April 2026, there are 3 flights per week flying from Phoenix to Missoula.
The cheapest month to fly from Phoenix to Missoula is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Missoula Airport on Thursday, April 30, 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

  • All great adventures start at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore your options for booking a flight from Phoenix to Missoula International Airport (MSO) taking off from either of these.

  • Jump on a direct flight from Phoenix to Missoula International Airport and you'll be in the air for around 2 hours 36 minutes.

  • The timezone in Missoula is UTC-6, which is 1 hour ahead of Phoenix. Missoula International Airport is located in Missoula.

  • With 2 direct weekly flights between the two airports, Phoenix Sky Harbour International Airport (PHX) to Missoula International Airport (MSO) is the busiest route. Frontier Airlines operates the earliest flight at 06:00. If you prefer to get more out of your day before flying, the latest departure from PHX to MSO is with Allegiant Air at 15:50.

  • Get to 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.

  • Going away during a peak time like July? High seasons (like summer, Christmas and New Year) can add another hour at security. Be extra safe and arrive up to four hours before international flights and two hours before domestic departures.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • Phoenix Sky Harbour International Airport (PHX) offers an easy route to your destination. Nonstop flights from Phoenix to Missoula International Airport (MSO) operate out of this terminal.

  • You can lock in a direct flight from Phoenix to Missoula International Airport with Frontier Airlines. This leading airline operates services from PHX.

  • From central Phoenix, PHX is approximately 8 kilometres away. Visit the official airport website or use navigation apps to find the best way to get there.

  • Want a hassle-free start to your vacation? Stay near Phoenix Sky Harbour International Airport. Whether you're taking an early flight from Phoenix to Missoula International Airport or just don't like being rushed, these hotels are ideal:

About Missoula International Airport (MSO)

Getting from Missoula International Airport (MSO) to central Missoula

  • Missoula International Airport is approximately 11 kilometres from the centre of Missoula. With your own car rental or if you're catching a cab, the drive is about 11 minutes.

  • It'll take around 35 minutes to get there using public transport.

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

  • C$71 is the lowest price we've found for a one-way ticket from Phoenix to Missoula International Airport. Return flights start from C$164. Prices are subject to change based on availability and may vary at the time of booking.

  • We suggest booking as early as possible to secure flight tickets from Phoenix to MSO. You're more likely to land a great deal and have a wider selection of departure times and travel dates.

  • Take advantage of the 'Whole month' tool and compare the prices of tickets from Phoenix to Missoula International Airport across the entire month. We've highlighted the lowest fares in green, so you can quickly pick a flight your budget will love.

  • Sign into your online account or use the app to set up a Price Alert. We'll notify you straight away if the price has dropped. It's easy to do, and it'll save you time searching for a cheap ticket from Phoenix to MSO every day.

  • Use the filters to tailor your flights from Phoenix to Missoula International Airport. Simply select your ideal arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest' to get the best deals.

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

  • February is the quietest time to travel to Missoula. Alternatively, join the crowds and visit in July. This is the busiest month for flights from Phoenix to Missoula International Airport, but the best time to go is up to you.

  • Think about the kind of weather that'll suit your plans for Missoula. July is known as the warmest month. Book your flights from Phoenix to MSO sometime then and you can expect temperatures of between 8ºC and 33ºC.

  • Look for cheap flights from Phoenix to Missoula International Airport in December if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -15ºC and 3ºC on average.

More about Missoula

Complete your Missoula trip with a car rental

  • Hop behind the wheel of one of our car rentals in Missoula and see the sights on your own terms. Easily compare rates from trusted rental companies in one place after booking your hotel and cheap flights from Phoenix to Missoula International Airport.

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