Flight tickets from Phoenix to Great Falls International

Compare Phoenix to Great Falls International flight deals

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Flight deals from Phoenix to Great Falls International Airport

Looking for a cheap last-minute deal or the best return flight from Phoenix to Great Falls International Airport? If you want to travel next month, return fares start from ₹ 14,014. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Phoenix to Great Falls International

Phoenix to Great Falls International: Alternative routes

Compare routes from Phoenix to Great Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Great Falls International.

Phoenix to Great Falls: Flight information

The things to know before you go.
Cheapest flight found₹ 4,910
Cheapest month to flyMay
Average flight time2 hrs, 30 mins
Most popular airlineAllegiant Air
Average flights per week3

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

The best price we found for a return flight from Phoenix to Great Falls International is ₹ 11,412. 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 30 minutes is the average flight time from Phoenix to Great Falls International.
Allegiant Air flies direct from Phoenix to Great Falls International.
As of March 2026, there are 3 flights per week flying from Phoenix to Great Falls International.
The cheapest month to fly from Phoenix to Great Falls International is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Great Falls International Airport on Thursday, 21 May 2026.
Yes – the average flight time is 2 hours and 30 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 Great Falls International 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 Great Falls is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Great Falls International is Allegiant Air .

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

  • Your trip gets off the ground at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore the options for booking a flight from Phoenix to Great Falls International Airport (GTF) leaving from either of these bases.

  • The timezone in Great Falls is UTC-6, which is one hour ahead of Phoenix. Great Falls International Airport is located in Great Falls.

  • To ensure you catch your flight from Phoenix to GTF, allow plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Peak travel periods mean busier airports, so aim to get there even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stick to your schedule.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

Phoenix Sky Harbour International Airport (PHX)

  • You can arrive at PHX from central Phoenix in about 10 minutes by car (depending on traffic). The ride on public transport takes roughly 35 minutes to cover the 8 kilometres or so.

  • Get a head start on your holiday with an extra night away from home. Before your Phoenix to GTF flight, kick back in one of these hotels near Phoenix Sky Harbour International Airport:

  • Phoenix Sky Harbour International Airport has a track record for punctuality. 82.57% of flights leaving here make it to their final destination as planned.

  • You'll find PHX at 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • Board once and be on your way from Phoenix-Mesa Gateway Airport (AZA). Direct flights from Phoenix to Great Falls International Airport are available from here.

  • Allegiant Air is one reputable carrier that offers direct Phoenix to GTF flight tickets from AZA.

  • Allegiant Air is the airline with the highest number of bookings for flights from AZA to GTF.

  • Allegiant Air is the most punctual carrier on this route, with 66.67% of its services arriving as planned.

  • On your way to AZA from the centre of Phoenix? The airport is located around 56 kilometres away, and getting there takes about 40 minutes by car.

  • Make catching an early Phoenix to Great Falls International Airport flight one of the easiest parts of your trip. Book a room at one of these accommodation options close to Phoenix-Mesa Gateway Airport and get to the check-in counter with plenty of time to spare:

  • Airports have an on-time performance rating that monitors how often flights get to their destinations when they should. At AZA, that rate is 78.65%.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About Great Falls International Airport (GTF)

Getting from Great Falls International Airport (GTF) to central Great Falls

  • Great Falls International Airport to the centre of Great Falls is around 5 kilometres. If you're renting a car or taking a cab, do some research to make your trip as easy as possible. Journey times will vary depending on traffic conditions and the time of day.

  • When travelling on public transport, expect a journey time of about 4 hours.

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

  • The lowest price we've found for a one-way ticket from Phoenix to Great Falls International Airport is ₹ 4,910. For a return flight on this route, the best price is ₹ 11,412. Depending on when you want to go and the availability, these fares may change.

  • Booking early is often the key to scoring a cheap flight from Phoenix to GTF. Flight prices rise as demand increases, so the closer you get to departure, the more it could cost you.

  • Affordable Phoenix to Great Falls International Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' search function to compare fares across every month and then fly out on the cheapest day.

  • Snapping up a cheap flight ticket from Phoenix to GTF is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when the price has dropped.

  • Save money on your flight from Phoenix to Great Falls International Airport by using the search filters. Choose your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Phoenix to Great Falls International Airport (GTF)

  • February is the quietest month for flights from Phoenix to Great Falls International Airport (GTF), while October is the busiest. Work out the best time to go to Great Falls based on whether you like a lively atmosphere or a more laid-back vibe.

  • When booking your Phoenix to GTF flight ticket, consider the weather you're most comfortable in. July is the warmest month in Great Falls, with temperatures ranging from 11ºC to 33ºC.

  • Search for cheap tickets from Phoenix to Great Falls International Airport in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -21ºC and 8ºC.

More about Great Falls

  • Start your Great Falls trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Phoenix to Great Falls International Airport, browse our range of hotels including:

  • There are so many things to do and see in this city, it can be tricky to work out where to start. Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and St. Ann Cathedral are leading attractions which should be on every Great Falls itinerary.

Explore more of the United States

  • Billings is just one of the many places in the United States waiting to be discovered after you've experienced Great Falls. Around 290 kilometres away to the south-east, popular attractions include Museum of Women's History, St. Patrick's Co-Cathedral and Yellowstone Art Museum.

  • Missoula is another favourite destination in the United States and is around 209 kilometres west of Great Falls. No journey is complete without visiting Mt Jumbo Trailhead, Mt Jumbo and Street Art.

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