Cheap Flights from Phoenix to Missoula from $193

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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 $302. Find the lowest prices on one-way and return tickets right here.

Missoula.$193 per passenger.Departing Sun, 26 Jul, returning Thu, 13 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 26 Jul, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 13 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $193, select.

Missoula.$193 per passenger.Departing Sun, 9 Aug, returning Thu, 13 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 9 Aug, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 13 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $193, select.

Missoula.$207 per passenger.Departing Tue, 13 Oct, returning Sun, 25 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Tue, 13 Oct, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Sun, 25 Oct, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $207, select.

Missoula.$216 per passenger.Departing Sun, 6 Sep, returning Thu, 10 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 6 Sep, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 10 Sep, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $216, select.

Missoula.$219 per passenger.Departing Sun, 30 Aug, returning Thu, 10 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 30 Aug, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 10 Sep, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $219, select.

Missoula.$252 per passenger.Departing Sat, 20 Jun, returning Sat, 4 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 20 Jun, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Sat, 4 Jul, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $252, select.

Missoula.$254 per passenger.Departing Thu, 22 Oct, returning Sun, 8 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 22 Oct, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Sun, 8 Nov, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $254, select.

Missoula.$278 per passenger.Departing Thu, 12 Nov, returning Sun, 15 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 12 Nov, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Sun, 15 Nov, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $278, select.

Missoula.$300 per passenger.Departing Sun, 13 Sep, returning Thu, 1 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 13 Sep, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 1 Oct, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $300, select.

Missoula.$302 per passenger.Departing Sun, 5 Jul, returning Tue, 21 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 5 Jul, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Tue, 21 Jul, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $302, select.

Missoula.$311 per passenger.Departing Sat, 20 Jun, returning Tue, 23 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 20 Jun, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Tue, 23 Jun, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $311, select.

Missoula.$379 per passenger.Departing Sun, 10 Jan, returning Thu, 21 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 10 Jan, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 21 Jan, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $379, select.

Missoula.$518 per passenger.Departing Sun, 13 Dec, returning Thu, 24 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 13 Dec, arriving in Missoula.Inbound direct flight with Allegiant Air departs from Missoula on Thu, 24 Dec, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $518, select.

Missoula.$688 per passenger.Departing Fri, 21 Aug, returning Sun, 11 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Fri, 21 Aug, arriving in Missoula.Inbound indirect flight with Delta, departs from Missoula on Sun, 11 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $688, select.

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 August.

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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.

Missoula

8km from central Missoula

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from $193

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Phoenix to Missoula: Flight information

The things to know before you go.

Cheapest flight found	$193
Cheapest month to fly	August
Average flight time	2 hrs, 35 mins
Most popular airline	Allegiant Air
Average flights per week	3

Finding cheap flights from Phoenix to Missoula: Frequently asked questions

How much are return flights from Phoenix to Missoula?

The best price we found for a return flight from Phoenix to Missoula is $193. 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 Phoenix to Missoula?

2 hours and 35 minutes is the average flight time from Phoenix to Missoula.

Which airlines fly direct from Phoenix to Missoula?

Allegiant Air flies direct from Phoenix to Missoula.

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

As of June 2026, there are 3 flights per week flying from Phoenix to Missoula.

When is the cheapest time to fly from Phoenix to Missoula?

The cheapest month to fly from Phoenix to Missoula is usually August.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Missoula Airport on Sunday, 9 August 2026.

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

Yes – the average flight time is 2 hours and 35 minutes.

How can I find the best flight deal to Missoula?

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.

When is the best time to book flights to Missoula?

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.

Which is the cheapest airline to fly from Phoenix to Missoula with?

The cheapest airline that flies to Missoula is Allegiant Air .

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

Your boarding pass to adventure starts at Phoenix's main airport, Phoenix-Mesa Gateway Airport (AZA). Check out your options for reserving a flight from Phoenix to Missoula Montana Airport (MSO) departing from this terminal.
Missoula Montana Airport is located in Missoula. The city's timezone is UTC-7 — the same as Phoenix.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to board your flight from Phoenix to MSO.
March is a peak travel month. If you're heading away then or around a major holiday like Christmas, turn up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

PHX is around 5 kilometres from central Phoenix. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 10 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 25 minutes.
Catching an early flight from Phoenix to Missoula Montana Airport? Avoid the mad dash to the terminal (and enjoy a few extra z's) by picking one of these hotels close to Phoenix Sky Harbour International Airport:
Phoenix Sky Harbour International Airport gets high marks for on-time performance. 80% of flights that take off from PHX reach their destination without delay.
You'll find PHX at 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

Consider beginning your travels from Phoenix-Mesa Gateway Airport (AZA). You can book a direct Phoenix to Missoula Montana Airport (MSO) plane ticket from this hub.
Get on your direct flight from Phoenix to MSO with Allegiant Air. This is one of the top airlines that operates this route out of AZA.
Allegiant Air is the top choice for travellers flying from AZA to MSO.
Fly with Allegiant Air if you prioritize punctuality. Its flights between Phoenix-Mesa Gateway Airport and Missoula Montana Airport arrive as scheduled 83.87% of the time.
You can reach AZA from central Phoenix in approximately 30 minutes by car (depending on traffic). The journey by public transport will take roughly 1 hour 15 minutes to cover the 32 kilometres or so.
Flying out early in the morning? You might like to check in to one of these hotels near Phoenix-Mesa Gateway Airport the day before your Phoenix to MSO flight:
Flights from Phoenix-Mesa Gateway Airport are known for their punctuality, with 82% of them landing within the expected time frame.
The address for AZA is 6033 S. Sossaman Rd..

About Missoula Montana Airport (MSO)

The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Phoenix to Missoula Montana Airport. Get comfy at one of these accommodation options near MSO instead:
MSO is located at 5225 Highway 10 West.

Getting from Missoula Montana Airport (MSO) to central Missoula

Missoula Montana Airport is roughly 8 kilometres from central Missoula. How long it takes to get there by car hire or taxi depends on the time of day. Do a little research before your trip.
Travelling by public transport will take you around 30 minutes.

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

The cheapest price we've found for a one-way ticket from Phoenix to Missoula Montana Airport is $88. For a return flight on this route, the best price is $193. Depending on the availability and when you book, these fares could change.
Book two months before you want to travel. Research into pricing trends suggests this is the ideal window for finding cheap flights from Phoenix to MSO.
July is when you're most likely to land a bargain on a Phoenix to Missoula Montana Airport ticket. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.
Spend less time searching for cheap plane tickets from Phoenix to MSO by creating a Price Alert. We'll send you an email or push notification on the app when prices go down.
Uncover a great deal on a flight from Phoenix to Missoula Montana Airport with the help of the filters. Pick your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

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

December is the quietest month for flights from Phoenix to Missoula Montana Airport (MSO), while July is the most popular. Figure out the best time to go to Missoula based on whether you like a bustling atmosphere or a more laid-back vibe.
The warmest month in Missoula is July, with temperatures ranging between 8ºC and 33ºC. Book your Phoenix to MSO plane ticket then if this is the type of weather you enjoy.
Look for cheap tickets from Phoenix to Missoula Montana Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -16ºC and 2ºC.

More about Missoula

After booking your flight from Phoenix to Missoula Montana Airport, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Missoula:
You'll find loads of exciting things to do in Missoula when you're ready to get out and sightsee. Start exploring at Mt Jumbo followed by Lolo Natioal Forest and Missoula Art Museum.

Explore more of the United States

Missoula has plenty going for it, but there are so many other parts of the United States just waiting to be explored. About 257 kilometres west of Missoula, a visit to Spokane will keep your itinerary busy. Start with popular sights like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.
Spokane Valley is another well-known destination in the United States and is around 257 kilometres west of Missoula. No journey is complete without seeing Appleway Trail, Splash Down Waterpark and Honour Point Military and Aerospace Museum.