Cheap Flights from Missoula to Phoenix-Mesa Gateway from $172

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Flight deals from Missoula to Phoenix-Mesa Gateway

Looking for a cheap last-minute deal or the best return flight from Missoula Airport to Phoenix-Mesa Gateway Airport? If you want to travel next month, return fares start from $321. Find the lowest prices on one-way and return tickets right here.

Phoenix.$172 per passenger.Departing Sun, 15 Nov, returning Thu, 3 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 15 Nov, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 3 Dec, arriving in Missoula.Price includes taxes and charges.From $172, select.

Phoenix.$172 per passenger.Departing Sun, 15 Nov, returning Thu, 19 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 15 Nov, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 19 Nov, arriving in Missoula.Price includes taxes and charges.From $172, select.

Phoenix.$185 per passenger.Departing Tue, 27 Oct, returning Sun, 15 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Tue, 27 Oct, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 15 Nov, arriving in Missoula.Price includes taxes and charges.From $185, select.

Phoenix.$197 per passenger.Departing Tue, 27 Oct, returning Thu, 29 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Tue, 27 Oct, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 29 Oct, arriving in Missoula.Price includes taxes and charges.From $197, select.

Phoenix.$264 per passenger.Departing Thu, 10 Dec, returning Tue, 29 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 10 Dec, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Tue, 29 Dec, arriving in Missoula.Price includes taxes and charges.From $264, select.

Phoenix.$287 per passenger.Departing Sun, 7 Feb, returning Thu, 18 Feb.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 7 Feb, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 18 Feb, arriving in Missoula.Price includes taxes and charges.From $287, select.

Phoenix.$294 per passenger.Departing Thu, 14 Jan, returning Sun, 17 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 14 Jan, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 17 Jan, arriving in Missoula.Price includes taxes and charges.From $294, select.

Phoenix.$307 per passenger.Departing Thu, 24 Sep, returning Sun, 4 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 24 Sep, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 4 Oct, arriving in Missoula.Price includes taxes and charges.From $307, select.

Phoenix.$321 per passenger.Departing Sun, 6 Sep, returning Tue, 8 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Sun, 6 Sep, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Tue, 8 Sep, arriving in Missoula.Price includes taxes and charges.From $321, select.

Phoenix.$345 per passenger.Departing Thu, 27 Aug, returning Sun, 6 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 27 Aug, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 6 Sep, arriving in Missoula.Price includes taxes and charges.From $345, select.

Phoenix.$369 per passenger.Departing Wed, 30 Dec, returning Sun, 17 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Wed, 30 Dec, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 17 Jan, arriving in Missoula.Price includes taxes and charges.From $369, select.

Phoenix.$445 per passenger.Departing Thu, 27 Aug, returning Sun, 30 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 27 Aug, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 30 Aug, arriving in Missoula.Price includes taxes and charges.From $445, select.

Phoenix.$532 per passenger.Departing Thu, 22 Apr, returning Sun, 25 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Missoula on Thu, 22 Apr, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 25 Apr, arriving in Missoula.Price includes taxes and charges.From $532, 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 November.

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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.

Missoula to Phoenix: Flight information

The things to know before you go.

Cheapest flight found	$172
Cheapest month to fly	November
Average flight time	2 hrs, 39 mins
Most popular airline	Allegiant Air
Average flights per week	3

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

How much are return flights from Missoula to Phoenix-Mesa Gateway?

The best price we found for a return flight from Missoula to Phoenix-Mesa Gateway is $172. 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.

How long does it take to fly from Missoula to Phoenix-Mesa Gateway?

2 hours and 39 minutes is the average flight time from Missoula to Phoenix-Mesa Gateway.

Which airlines fly direct from Missoula to Phoenix-Mesa Gateway?

Allegiant Air flies direct from Missoula to Phoenix-Mesa Gateway.

How many flights are there a week from Missoula to Phoenix-Mesa Gateway?

As of August 2026, there are 3 flights per week flying from Missoula to Phoenix-Mesa Gateway.

When is the cheapest time to fly from Missoula to Phoenix-Mesa Gateway?

The cheapest month to fly from Missoula to Phoenix-Mesa Gateway is usually November.

Which upcoming date is cheapest to fly from Missoula Airport to Phoenix-Mesa Gateway Airport on?

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 Sunday, 15 November 2026.

Can I get a direct flight from Missoula Airport to Phoenix-Mesa Gateway Airport?

Yes – the average flight time is 2 hours and 39 minutes.

How can I find the best flight deal to Phoenix-Mesa Gateway?

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.

When is the best time to book flights to Phoenix?

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.

Which is the cheapest airline to fly from Missoula Airport to Phoenix-Mesa Gateway with?

Currently, Allegiant Air offers the cheapest flight tickets to Phoenix-Mesa Gateway.

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

Book a direct flight from Missoula Airport to Phoenix-Mesa Gateway Airport and you'll be travelling for an average of 2 hours 35 minutes.
Missoula and Phoenix are in the UTC-7 timezone. This means you won't need to account for any time differences.
Your MSO to AZA flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
You'll likely experience longer lines in popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you ample time for security and boarding.
Allegiant Air is your gateway to exploring Phoenix (and perhaps some other exciting parts of the United States!). Check out the direct flights from Missoula Airport to Phoenix-Mesa Gateway Airport offered by this popular airline.
Allegiant Air is the airline most travellers choose to fly with on this route.
Allegiant Air is the most punctual carrier offering MSO to AZA flights, with 70.49% of its services arriving as scheduled.
Opt for a stopover if you'd love to break up your flight. Just deselect 'Direct flights only' to look at all your options for tickets from Missoula Airport to Phoenix-Mesa Gateway Airport. Minneapolis St Paul Airport is a popular stopover on the MSO to AZA route.

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

$86 is currently the lowest price for a one-way Missoula Airport to Phoenix-Mesa Gateway Airport flight. Return flights start at $172. These fares can change depending on availability.
Score cheap tickets from MSO to AZA by booking at least one month ahead. Based on our research, that's the sweet spot for finding the biggest deals.
Plan your trip for June. That's the cheapest month for flights from Missoula Airport to Phoenix-Mesa Gateway Airport. If you're flexible on when you fly, try out the 'Whole month' tool to see the lowest airfare across each month.
Save time searching for cheap flights from MSO to AZA by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare pops up.
Tailor your flights with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Missoula Airport to Phoenix-Mesa Gateway Airport.

Handy information about Missoula Airport (MSO)

The address for MSO is 5225 Highway 10 West.
83% of flights leaving Missoula Airport reach their destination on time. Given its impressive on-time stats, you're unlikely to be delayed when setting off from MSO.
Missoula Airport is around 11 kilometres from central Missoula. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.
The trip when using public transport takes about 30 minutes.
Need a convenient hotel near MSO? If you've booked an early flight from Missoula Airport to Phoenix-Mesa Gateway Airport, these stays will put you moments from your check-in counter:

Arriving at Phoenix-Mesa Gateway Airport (AZA)

Consider staying in a hotel close to AZA if you're on a late Missoula Airport to Phoenix-Mesa Gateway Airport flight. Choose one of these accommodation options and make your arrival easier:
Hit the road running by picking up a Phoenix-Mesa Gateway Airport rental car. Grab a set of wheels from Dollar, Alamo or Budget and experience the lesser-explored corners of Phoenix and beyond.
Reserving your ride from Phoenix-Mesa Gateway Airport around two weeks in advance can help you secure the lowest rate.

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

AZA is located at 6033 S. Sossaman Rd..
Phoenix-Mesa Gateway Airport to central Phoenix has a drive time of about 30 minutes. It's approximately 32 kilometres away.
Getting to the centre on public transport typically takes 1 hour 15 minutes.

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

It's time to pick your trip dates for your flight from Missoula Airport to Phoenix-Mesa Gateway Airport. April is the busiest month to head to Phoenix. If you want a more relaxed vibe, go in November.
Lock in your flight from Missoula Airport to Phoenix-Mesa Gateway Airport for July if you'd like to visit Phoenix during its warmest month. Expect temperatures of between 27ºC and 45ºC.
Look for cheap tickets from MSO to AZA in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 4ºC and 21ºC on average.

Explore more of the United States

You've seen Phoenix, now it's time to explore other parts of the United States. Journey about 483 kilometres west to San Diego to tick off its top sights. From San Diego Zoo to San Diego Balboa Park and USS Midway Museum, there's plenty to keep you busy.
If you're looking to explore another great destination in the United States, head for Las Vegas, roughly 418 kilometres north-west of Phoenix. Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio are the start of reasons to visit.