Cheap Flights from Great Falls International to Phoenix

Return selected

origin

Enter the city you're flying from, or choose from the options below

Include nearby airports

selected

destination

. Enter your destination, or choose from the options below

Include nearby airports

selected

Travellers and cabin class, 1 Adult, Economy

Compare Great Falls International to Phoenix flight deals

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

Book the best Phoenix fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Great Falls International to Phoenix

Looking for a cheap last-minute deal or the best return flight from Great Falls International Airport to Phoenix? If you want to travel next month, return fares start from $219. Find the lowest prices on one-way and return tickets right here.

Phoenix.$163 per passenger.Departing Thu, 10 Dec, returning Thu, 7 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Thu, 10 Dec, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 7 Jan, arriving in Great Falls International.Price includes taxes and charges.From $163, select.

Phoenix.$189 per passenger.Departing Sun, 1 Nov, returning Thu, 12 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Sun, 1 Nov, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 12 Nov, arriving in Great Falls International.Price includes taxes and charges.From $189, select.

Phoenix.$219 per passenger.Departing Sun, 18 Oct, returning Sun, 25 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Sun, 18 Oct, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 25 Oct, arriving in Great Falls International.Price includes taxes and charges.From $219, select.

Phoenix.$219 per passenger.Departing Sun, 18 Oct, returning Sun, 1 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Sun, 18 Oct, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 1 Nov, arriving in Great Falls International.Price includes taxes and charges.From $219, select.

Phoenix.$227 per passenger.Departing Thu, 14 Jan, returning Thu, 21 Jan.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Thu, 14 Jan, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 21 Jan, arriving in Great Falls International.Price includes taxes and charges.From $227, select.

Phoenix.$239 per passenger.Departing Thu, 3 Dec, returning Sun, 6 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Thu, 3 Dec, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 6 Dec, arriving in Great Falls International.Price includes taxes and charges.From $239, select.

Phoenix.$267 per passenger.Departing Mon, 30 Nov, returning Sun, 6 Dec.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Mon, 30 Nov, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 6 Dec, arriving in Great Falls International.Price includes taxes and charges.From $267, select.

Phoenix.$445 per passenger.Departing Thu, 11 Mar, returning Thu, 18 Mar.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Great Falls International on Thu, 11 Mar, arriving in Phoenix-Mesa Gateway.Inbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 18 Mar, arriving in Great Falls International.Price includes taxes and charges.From $445, select.

Phoenix.$863 per passenger.Departing Mon, 25 Jan, returning Mon, 1 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Great Falls International on Mon, 25 Jan, arriving in Phoenix Sky Harbor.Inbound indirect flight with Delta, departs from Phoenix Sky Harbor on Mon, 1 Feb, arriving in Great Falls International.Price includes taxes and charges.From $863, select.

Phoenix.$1,510 per passenger.Departing Wed, 30 Sep, returning Sat, 3 Oct.Return flight with United.Outbound indirect flight with United, departs from Great Falls International on Wed, 30 Sep, arriving in Phoenix Sky Harbor.Inbound indirect flight with United, departs from Phoenix Sky Harbor on Sat, 3 Oct, arriving in Great Falls International.Price includes taxes and charges.From $1,510, select.

Find the cheapest month to fly from Great Falls International to Phoenix

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Great Falls International to Phoenix flights are currently cheapest in November.

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Direct flights from Great Falls International to Phoenix

Alternative Great Falls International to Phoenix routes

Looking for the cheapest, fastest or easiest route from Great Falls International to Phoenix? You could fly into the following airports instead.

Great Falls to Phoenix: Flight information

The things to know before you go.

Cheapest flight found	$163
Cheapest month to fly	December
Average flight time	2 hrs, 37 mins
Most popular airline	Allegiant Air
Average flights per week	3

Finding cheap flights from Great Falls International to Phoenix: Frequently asked questions

How many airports are there in Phoenix?

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.

How much are return flights from Great Falls International to Phoenix?

The best price we found for a return flight from Great Falls International to Phoenix is $163. 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 Great Falls International to Phoenix?

2 hours and 37 minutes is the average flight time from Great Falls International to Phoenix.

Which airlines fly direct from Great Falls International to Phoenix?

Allegiant Air flies direct from Great Falls International to Phoenix.

How many flights are there a week from Great Falls International to Phoenix?

As of September 2026, there are 3 flights per week flying from Great Falls International to Phoenix.

When is the cheapest time to fly from Great Falls International to Phoenix?

The cheapest month to fly from Great Falls International to Phoenix is usually December.

Which is the cheapest airport to fly into in Phoenix?

If you're flying from Great Falls International Airport, the cheapest airport near Phoenix is Phoenix-Mesa Gateway – which is 41.9 km away from the centre of Phoenix. We've found flights into this airport from $163.

Which upcoming date is cheapest to fly from Great Falls International Airport to Phoenix on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Great Falls International Airport to Phoenix on Thursday, 10 December 2026.

Can I get a direct flight from Great Falls International Airport to Phoenix?

Yes – the average flight time is 2 hours and 37 minutes.

How can I get the best flight deal from Great Falls International Airport to Phoenix?

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 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.

What’s the weather like in Phoenix?

In September, the average temperature is usually around 32°C. July is typically the warmest month in Phoenix, when it usually averages around 42°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 6°C. The rainiest month is August.

Which is the cheapest airline to fly from Great Falls International Airport to Phoenix with?

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

Travelling from Great Falls International Airport (GTF) to Phoenix: what you need to know

Great Falls (the location of Great Falls International Airport) and Phoenix are in the same timezone — UTC-7.
To avoid missing your GTF to Phoenix flight, leave enough time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.
Flying during a peak time like July? Public holidays and other popular seasons can mean longer lines at security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.
You can book a direct Great Falls International Airport to Phoenix ticket. Begin your journey at GTF and land at Phoenix-Mesa Gateway Airport (AZA).
Keep an eye out for offers from Allegiant Air. This carrier operates direct flights from Great Falls International Airport to Phoenix.
GTF is around 5 kilometres from central Great Falls. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 10 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 25 minutes.
Want a relaxed start to your trip? Stay near GTF. Whether you're catching an early flight from Great Falls International Airport to Phoenix or just don't want to be rushed, these hotels are just the thing:
Great Falls International Airport has a strong on-time performance, so flight disruptions are less likely. Departures from GTF land at their destination as scheduled 85% of the time.
GTF's address is 2800 Terminal Drive.

How to find the cheapest flights from Great Falls International Airport (GTF) to Phoenix

$77 is the lowest price we've found for a one-way Great Falls International Airport to Phoenix flight. A return plane ticket right now is $163. Depending on the availability and when you book, these fares can change.
Booking early is often the key to locking in a cheap flight from GTF to Phoenix. Flight prices rise as demand increases, so the nearer your departure date, the more you'll likely spend on your ticket.
If you have flexibility with your travel dates, make the most of the 'Whole month' tool. It'll give you the cheapest price across each month when searching for a Great Falls International Airport to Phoenix ticket.
Never miss a deal on cheap flights from GTF to Phoenix by setting up a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.
Find an affordable flight from Great Falls International Airport to Phoenix with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

Phoenix Sky Harbour International Airport (PHX) is around 5 kilometres from central Phoenix. If you're getting a taxi or a ride-share, the drive takes about 10 minutes.
It'll take around 25 minutes if you're using public transport.
Consider staying in a hotel close to PHX if you have a late flight from Great Falls International Airport to Phoenix. Select one of these options and make your arrival easier:
For the lowest price, reserve your vehicle from Phoenix Sky Harbour International Airport around one week in advance of your flight from GTF to Phoenix.
The street address for PHX is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

Phoenix-Mesa Gateway Airport (AZA) is about 32 kilometres from the centre of Phoenix. Once you've hopped off your flight from Great Falls International Airport to Phoenix, it'll take you around 30 minutes to reach the heart of the city in a taxi or ride-share.
You can expect the journey to take about 1 hour 15 minutes on public transport.
You'll find some great places to rest your head close to AZA. Kick back and get cosy after your GTF to Phoenix flight at one of these well-located options:
Get exactly what you want. Booking your ride from AZA two weeks ahead of time often means better deals and a wider range of vehicles.
You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

Best time to go to Phoenix

It's time to choose your trip dates for your flight from Great Falls International Airport to Phoenix. March is the busiest month to visit Phoenix. If you want a quieter vibe, go in October.
When booking your Great Falls International Airport to Phoenix plane ticket, think about the type of weather you enjoy. July is the warmest month in Phoenix, with temperatures ranging from 27ºC to 45ºC.
If you like cooler conditions, search for a cheap ticket from GTF to Phoenix in January when temperatures average between 4ºC and 21ºC.

More about Phoenix

Start your Phoenix trip off on the right foot by choosing the ideal place to stay. After booking your flight from Great Falls International Airport to Phoenix, browse our selection of hotels including:
All great holidays should include some sightseeing. Yayoi Kusama Fireflies Infinity Mirror Room, Camelback Mountain and Heard Museum are essential stops on your Phoenix itinerary.

Explore more of the United States

San Diego is just one of the many places in the United States waiting to be discovered once you've taken in the sights of Phoenix. Around 483 kilometres away to the west, its best attractions include San Diego Zoo, San Diego Balboa Park and USS Midway Museum.
Around 418 kilometres northwest of Phoenix, Las Vegas is another favourite stop in the United States. No visit is complete without checking out Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio.