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Cheap Flights from Phoenix-Mesa Gateway (AZA) to Missoula (MSO)

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Compare Phoenix-Mesa Gateway to Missoula flight deals

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Flight deals from Phoenix-Mesa Gateway to Missoula

Looking for a cheap last-minute deal or the best return flight from Phoenix-Mesa Gateway to Missoula? Find the lowest prices on one-way and return tickets right here.
Missoula.£96 per passenger.Departing Tue, 14 Oct, returning Thu, 23 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Tue, 14 Oct, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 23 Oct, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £96, select.
Tue, 14 OctAZA - MSO with Allegiant Air
Direct
Thu, 23 OctMSO - AZA with Allegiant Air
Direct
from £96
Missoula.£96 per passenger.Departing Thu, 31 Jul, returning Thu, 7 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 31 Jul, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 7 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £96, select.
Thu, 31 JulAZA - MSO with Allegiant Air
Direct
Thu, 7 AugMSO - AZA with Allegiant Air
Direct
from £96
Missoula.£96 per passenger.Departing Sun, 3 Aug, returning Thu, 7 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 3 Aug, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 7 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £96, select.
Sun, 3 AugAZA - MSO with Allegiant Air
Direct
Thu, 7 AugMSO - AZA with Allegiant Air
Direct
from £96
Missoula.£100 per passenger.Departing Sat, 5 Jul, returning Thu, 24 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 5 Jul, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 24 Jul, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £100, select.
Sat, 5 JulAZA - MSO with Allegiant Air
Direct
Thu, 24 JulMSO - AZA with Allegiant Air
Direct
from £100
Missoula.£108 per passenger.Departing Sun, 14 Sep, returning Thu, 2 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 14 Sep, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 2 Oct, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £108, select.
Sun, 14 SepAZA - MSO with Allegiant Air
Direct
Thu, 2 OctMSO - AZA with Allegiant Air
Direct
from £108
Missoula.£127 per passenger.Departing Thu, 12 Jun, returning Tue, 1 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 12 Jun, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Tue, 1 Jul, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £127, select.
Thu, 12 JunAZA - MSO with Allegiant Air
Direct
Tue, 1 JulMSO - AZA with Allegiant Air
Direct
from £127
Missoula.£127 per passenger.Departing Thu, 12 Jun, returning Thu, 26 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 12 Jun, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 26 Jun, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £127, select.
Thu, 12 JunAZA - MSO with Allegiant Air
Direct
Thu, 26 JunMSO - AZA with Allegiant Air
Direct
from £127
Missoula.£240 per passenger.Departing Thu, 29 May, returning Thu, 5 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 29 May, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 5 Jun, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From £240, select.
Thu, 29 MayAZA - MSO with Allegiant Air
Direct
Thu, 5 JunMSO - AZA with Allegiant Air
Direct
from £240
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Phoenix-Mesa Gateway to Missoula found in the last 4 days, and are subject to change and availability.

Find the cheapest month to fly from Phoenix-Mesa Gateway to Missoula

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix-Mesa Gateway to Missoula flights are currently cheapest in August.
May
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Jun
from £127
Jul
from £100
Aug
from £96
Sep
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Oct
from £96
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Direct flights from Phoenix-Mesa Gateway to Missoula

Phoenix-Mesa Gateway to Missoula: Alternative routes

Compare routes from Phoenix-Mesa Gateway 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£96
Cheapest month to flyJuly
Average flight time2 hrs, 33 mins
Most popular airlineAllegiant Air
Average flights per week5

Finding cheap flights from Phoenix-Mesa Gateway to Missoula: Frequently asked questions

The best price we found for a return flight from Phoenix-Mesa Gateway to Missoula is £96. 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 33 minutes is the average flight time from Phoenix-Mesa Gateway to Missoula.
Allegiant Air flies direct from Phoenix-Mesa Gateway to Missoula.
As of May 2025, there are 5 flights per week flying from Phoenix-Mesa Gateway to Missoula.
The cheapest month to fly from Phoenix-Mesa Gateway to Missoula is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix-Mesa Gateway Airport to Missoula Airport on Thursday, 31 July 2025.
Yes – the average flight time is 2 hours and 33 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.
Currently, Allegiant Air offers the cheapest flight tickets to Missoula.

Travelling from Phoenix-Mesa Gateway Airport (AZA) to Missoula International Airport (MSO): what you need to know

  • The average duration of a direct flight from Phoenix-Mesa Gateway Airport to Missoula International Airport is 2 hours 35 minutes.

  • Get to the airport on time so you don't miss your AZA to MSO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • You can expect bigger queues in popular months like December. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a smart move.

  • Allegiant Air has direct flights from Phoenix-Mesa Gateway Airport to Missoula International Airport. Book with this popular airline, then get ready to tick off the sights in Missoula — and maybe even more of United States if you have time.

  • Allegiant Air tops the list for bookings on this route.

  • Allegiant Air is a leader in on-time performance for AZA to MSO flights, with 80.0% of services landing as scheduled.

  • Break up your flight or take a detour to a new city with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Phoenix-Mesa Gateway Airport to Missoula International Airport. Many passengers pass through Minneapolis-St. Paul International Airport on this route.

How to find the cheapest flights from Phoenix-Mesa Gateway Airport (AZA) to Missoula International Airport (MSO)

  • The cheapest price we've found for a one-way Phoenix-Mesa Gateway Airport to Missoula International Airport flight is £41. A round-trip plane ticket is currently £96. Depending on the availability when you book, these fares may change.

  • Score cheap tickets from AZA to MSO by booking eight months ahead. According to our research, that's the sweet spot for bagging a bargain.

  • Organise your trip for July. That's the cheapest month for flights from Phoenix-Mesa Gateway Airport to Missoula International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the lowest price across each month.

  • Cut down on the time spent looking for cheap flights from AZA to MSO by creating a Price Alert. We'll send you an email or notification through the app when a new low fare is offered.

  • Discover the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Phoenix-Mesa Gateway Airport to Missoula International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Phoenix-Mesa Gateway Airport (AZA)

  • AZA is located at 6033 S. Sossaman Rd..

  • When it comes to Phoenix-Mesa Gateway Airport's on-time performance, 78.65% of flights arrive within the scheduled timeframe.

  • Phoenix-Mesa Gateway Airport is around 35 miles from central Phoenix. If you're driving, ride-sharing or catching a cab from the centre, it'll take 40 minutes or so to arrive, depending on the traffic.

  • Catching an early flight from Phoenix-Mesa Gateway Airport to Missoula International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by picking one of these stays near AZA:

    • Four Points by Sheraton at Phoenix Mesa Gateway Airport

    • Legacy Inn & Suites

    • Courtyard Phoenix Mesa Gateway Airport

Arriving at Missoula International Airport (MSO)

  • If you're coming in on a late Phoenix-Mesa Gateway Airport to Missoula International Airport flight, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and snoozing not long after at one of these hotels near MSO:

    • Best Western Plus Grant Creek Inn

    • Staybridge Suites Missoula

    • Quality Inn & Suites

  • Grab a Missoula International Airport rental car and explore Missoula and beyond with your own wheels. Budget, Dollar and Hertz are top outlets to choose from here.

  • To get the lowest possible price, reserve your ride from Missoula International Airport at least a couple of weeks ahead. Prices typically go up closer to the day of travel.

Getting from Missoula International Airport (MSO) to central Missoula

  • MSO is located at 5225 Highway 10 West.

  • Missoula International Airport is approximately 7 miles from the centre of Missoula. The drive time takes around 10 minutes.

  • When travelling by public transport, expect a journey time of around 35 minutes.

When to fly to Missoula International Airport (MSO)

  • July is the most popular month for flights from Phoenix-Mesa Gateway Airport to Missoula International Airport. For a quieter experience, travel to Missoula in February.

  • When reserving your flight from Phoenix-Mesa Gateway Airport to Missoula International Airport, think about the kind of weather you like. July is the warmest month in Missoula, with temperatures ranging from 8ºC (46ºF) to 33ºC (91ºF).

  • December has average temperatures of between -15ºC (5ºF) and 3ºC (37ºF). Search for cheap tickets from AZA to MSO sometime then if you like cooler conditions.

Explore more of United States

  • Missoula is easy to fall in love with, but there are so many other parts of United States just waiting to be explored. Around 170 miles west of Missoula, a trip to Spokane will keep your itinerary packed. Don't miss top attractions like Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

  • Boise is another favourite destination in United States and is around 250 miles south-west of Missoula. No journey is complete without a visit to Idaho State Capitol Building, Old Idaho Penitentiary and Zoo Boise.

Plan the rest of your trip from Phoenix to Missoula

  • Car hire from Missoula
  • Hotels in Missoula

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

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