Cheap Flights from Great Falls International to Phoenix

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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 Rs24,489. Find the lowest prices on one-way and return tickets right here.

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 July.

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 foundRs12,248
Cheapest month to flyJuly
Average flight time2 hrs, 35 mins
Most popular airlineAllegiant Air
Average flights per week3

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

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.
The best price we found for a return flight from Great Falls International to Phoenix is Rs24,489. 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 35 minutes is the average flight time from Great Falls International to Phoenix.
Allegiant Air flies direct from Great Falls International to Phoenix.
As of June 2026, there are no flights flying from Great Falls International to Phoenix.
The cheapest month to fly from Great Falls International to Phoenix is usually July.
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 Rs24,489.
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, 16 July 2026.
Yes – the average flight time is 2 hours and 35 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 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.
In June, the average temperature is usually around 30°C. July is typically the warmest month in Phoenix, when it usually averages around 40°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 4°C. The rainiest month is August.
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

  • Rs12,248 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 Rs24,489. 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

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.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.