Skyscanner home

Cheap flight tickets from Missoula to Phoenix-Mesa Gateway

Compare Missoula to Phoenix-Mesa Gateway flight deals

Find the cheapest month or even day of the year to fly to Phoenix-Mesa Gateway

Book the best Phoenix-Mesa Gateway fare with no extra fees

Flight deals from Missoula to Phoenix-Mesa Gateway

Looking for a cheap last-minute deal or the best return flight from Missoula to Phoenix-Mesa Gateway? Find the lowest prices on one-way and return tickets right here.
Phoenix.RM514 per passenger.Departing Sat, 11 Apr, returning Thu, 23 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sat, 11 Apr, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 23 Apr, arriving in Missoula.Price includes taxes and charges.From RM514, select.
Phoenix.RM675 per passenger.Departing Sun, 7 Jun, returning Sat, 20 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 7 Jun, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 20 Jun, arriving in Missoula.Price includes taxes and charges.From RM675, select.
Phoenix.RM687 per passenger.Departing Sun, 26 Apr, returning Thu, 14 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 26 Apr, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 14 May, arriving in Missoula.Price includes taxes and charges.From RM687, select.
Phoenix.RM715 per passenger.Departing Sun, 10 May, returning Thu, 28 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 10 May, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 28 May, arriving in Missoula.Price includes taxes and charges.From RM715, select.
Phoenix.RM715 per passenger.Departing Tue, 24 Mar, returning Thu, 2 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Tue, 24 Mar, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 2 Apr, arriving in Missoula.Price includes taxes and charges.From RM715, select.
Phoenix.RM719 per passenger.Departing Sun, 8 Mar, returning Sat, 14 Mar.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 8 Mar, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 14 Mar, arriving in Missoula.Price includes taxes and charges.From RM719, select.
Phoenix.RM789 per passenger.Departing Tue, 17 Feb, returning Thu, 19 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Tue, 17 Feb, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 19 Feb, arriving in Missoula.Price includes taxes and charges.From RM789, select.
Phoenix.RM814 per passenger.Departing Sun, 22 Feb, returning Sat, 14 Mar.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 22 Feb, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 14 Mar, arriving in Missoula.Price includes taxes and charges.From RM814, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Missoula to Phoenix-Mesa Gateway flights are currently cheapest in April.
Feb
from RM789
Mar
from RM719
Apr
from RM514
May
from RM715
Jun
from RM675
Jul
Find prices
Aug
Find prices
Sep
Find prices
Oct
Find prices
Nov
Find prices
Dec
Find prices
Jan
Find prices

Direct flights from Missoula to Phoenix-Mesa Gateway

Missoula to Phoenix-Mesa Gateway: Alternative routes

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

Phoenix Sky Harbor

6km from central Phoenix
Closest
from RM831
Search flights

Phoenix Scottsdale Municipal

24km from central Phoenix
Search flights

Phoenix-Deer Valley

27km from central Phoenix
Search flights

Phoenix-Mesa Gateway

42km from central Phoenix
Cheapest
from RM513
Search flights

Missoula to Phoenix: Flight information

The things to know before you go.
Cheapest flight foundRM514
Cheapest month to flyApril
Average flight time2 hrs, 38 mins
Most popular airlineAllegiant Air
Average flights per week3

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

The best price we found for a return flight from Missoula to Phoenix-Mesa Gateway is RM514. 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 38 minutes is the average flight time from Missoula to Phoenix-Mesa Gateway.
Allegiant Air flies direct from Missoula to Phoenix-Mesa Gateway.
As of February 2026, there are 3 flights per week flying from Missoula to Phoenix-Mesa Gateway.
The cheapest month to fly from Missoula to Phoenix-Mesa Gateway is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Missoula Airport to Phoenix-Mesa Gateway Airport on Saturday, 11 April 2026.
Yes – the average flight time is 2 hours and 38 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 Phoenix-Mesa Gateway 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 Phoenix 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 Phoenix-Mesa Gateway.

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

  • Jump on a direct flight from Missoula International Airport to Phoenix-Mesa Gateway Airport and you'll be travelling for an average of 2 hours 30 minutes.

  • The timezone in Phoenix is UTC-7, which is one hour behind Missoula.

  • Give yourself enough time to make your MSO to AZA flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience bigger queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • Jetting into Phoenix (and then discovering more of United States!) is easy with Allegiant Air. This popular carrier has direct flights from Missoula International Airport to Phoenix-Mesa Gateway Airport.

  • The airline with the highest number of bookings on this route is Allegiant Air.

  • With 70.59% of services landing on schedule, Allegiant Air is the most punctual carrier operating MSO to AZA flights.

  • If you'd like to check out a new city along the way, consider a flight with a stopover. To see your options for tickets from Missoula International Airport to Phoenix-Mesa Gateway Airport, uncheck 'Direct flights only.' Minneapolis-St. Paul International Airport is a popular stop between MSO and AZA.

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

  • At the moment, RM241 is the lowest price we've found for a one-way Missoula International Airport to Phoenix-Mesa Gateway Airport flight. The best price for a return ticket is RM514. Remember that fares could change due to availability at the time of booking.

  • Book seven months before flying. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from MSO to AZA.

  • June is the cheapest month for flights from Missoula International Airport to Phoenix-Mesa Gateway Airport. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • You won't have to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you the moment there's a new deal on cheap flights from MSO to AZA.

  • Choose your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Missoula International Airport to Phoenix-Mesa Gateway Airport.

Handy information about Missoula International Airport (MSO)

  • MSO is located at 5225 Highway 10 West.

  • Missoula International Airport maintains a strong on-time performance, so you're less likely to experience disruptions. Departures from MSO land on schedule 82.29% of the time.

  • Missoula International Airport is around 11 kilometres from central Missoula. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • The journey on public transport takes about 35 minutes.

  • Booked an early flight from Missoula International Airport to Phoenix-Mesa Gateway Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these stays near MSO:

Arriving at Phoenix-Mesa Gateway Airport (AZA)

Getting from Phoenix-Mesa Gateway Airport (AZA) to central Phoenix

  • The street address for AZA is 6033 S. Sossaman Rd..

  • Phoenix-Mesa Gateway Airport is approximately 56 kilometres from central Phoenix. The drive time takes around 40 minutes.

When to fly to Phoenix-Mesa Gateway Airport (AZA)

  • December is the busiest month for flights from Missoula International Airport to Phoenix-Mesa Gateway Airport. To steer clear of the crowds, visit Phoenix in April.

  • The warmest month in Phoenix is July, with the temperature ranging between 26ºC (79ºF) and 44ºC (111ºF). Lock in your flights from Missoula International Airport to Phoenix-Mesa Gateway Airport in this month if you like this kind of weather.

  • January sees average temperatures of between 4ºC (39ºF) and 20ºC (68ºF). Look for cheap tickets from MSO to AZA sometime around then if you'd rather travel in cooler conditions.

Explore more of United States

  • Phoenix is always a good idea, but there are so many other parts of United States waiting to be explored. Around 483 kilometres west of Phoenix, a visit to San Diego will keep your itinerary packed. Start with attractions like San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

  • Las Vegas is another must-experience destination in United States and is around 418 kilometres north-west of Phoenix. No trip is complete without dropping by Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience.

Plan the rest of your trip from Missoula to Phoenix

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