Skyscanner home

Cheap Flights from Phoenix (PHXA) to Great Falls (GTF)

Return selected
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 Phoenix to Great Falls International flight deals

      Find the cheapest month or even day of the year to fly to Great Falls International

      Book the best Great Falls International fare with no extra fees

      Flight deals from Phoenix to Great Falls International

      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 $133. Find the lowest prices on one-way and return tickets right here.
      Great Falls.$133 per passenger.Departing Sun, 2 Aug, returning Sun, 16 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 2 Aug, arriving in Great Falls International.Inbound direct flight with Allegiant Air departs from Great Falls International on Sun, 16 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $133, select.
      Great Falls.$140 per passenger.Departing Thu, 8 Oct, returning Thu, 22 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 8 Oct, arriving in Great Falls International.Inbound direct flight with Allegiant Air departs from Great Falls International on Thu, 22 Oct, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $140, select.
      Great Falls.$162 per passenger.Departing Sun, 8 Nov, returning Thu, 19 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 8 Nov, arriving in Great Falls International.Inbound direct flight with Allegiant Air departs from Great Falls International on Thu, 19 Nov, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $162, select.
      Great Falls.$169 per passenger.Departing Thu, 30 Jul, returning Sun, 16 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Thu, 30 Jul, arriving in Great Falls International.Inbound direct flight with Allegiant Air departs from Great Falls International on Sun, 16 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $169, select.
      Great Falls.$199 per passenger.Departing Sun, 19 Jul, returning Thu, 30 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 19 Jul, arriving in Great Falls International.Inbound direct flight with Allegiant Air departs from Great Falls International on Thu, 30 Jul, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $199, select.
      Great Falls.$216 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 Great Falls International.Inbound direct flight with Allegiant Air departs from Great Falls International on Thu, 21 Jan, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $216, select.
      Great Falls.$240 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 Great Falls International.Inbound direct flight with Allegiant Air departs from Great Falls International on Thu, 24 Dec, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $240, select.
      Great Falls.$645 per passenger.Departing Tue, 15 Sep, returning Sat, 19 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Tue, 15 Sep, arriving in Great Falls International.Inbound indirect flight with Delta, departs from Great Falls International on Sat, 19 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $645, select.

      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 August.
      Jul
      from $199
      Aug
      from $133
      Sep
      from $645
      Oct
      from $140
      Nov
      from $162
      Dec
      from $240
      Jan
      from $216
      Feb
      Find prices
      Mar
      Find prices
      Apr
      Find prices
      May
      Find prices
      Jun
      Find prices

      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.

      Great Falls International

      5km from central Great Falls
      ClosestCheapest
      from $133
      Search flights

      Phoenix to Great Falls: Flight information

      The things to know before you go.
      Cheapest flight found$133
      Cheapest month to flyAugust
      Average flight time2 hrs, 39 mins
      Most popular airlineAllegiant Air
      Average flights per week9

      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 $133. 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 39 minutes is the average flight time from Phoenix to Great Falls International.
      Allegiant Air flies direct from Phoenix to Great Falls International.
      As of July 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 August.
      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 Sunday, 2 August 2026.
      Yes – the average flight time is 2 hours and 39 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

      • Phoenix's main airport is Phoenix-Mesa Gateway Airport (AZA). Explore your options for departing from here when reserving your flights from Phoenix to Great Falls International Airport (GTF).

      • Great Falls (where Great Falls International Airport is located) and Phoenix share the UTC-7 timezone. Easily coordinate travel plans without worrying about time differences.

      • Your flight from Phoenix to GTF won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • If you're going away during a peak month like March, head to the airport even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Security lines will be longer during peak periods like Thanksgiving and spring break.

      Airports in Phoenix

      Phoenix Sky Harbour International Airport (PHX)

      • Travelling from central Phoenix to PHX takes around 25 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic.

      • In search of a convenient hotel near Phoenix Sky Harbour International Airport? If you've booked an early flight from Phoenix to Great Falls International Airport, these stays will have you sleeping a quick hop from check-in:

      • 80% of flights departing from Phoenix Sky Harbour International Airport reach their destination on time. With its dependable on-time performance, you're unlikely to be delayed when jetting out of PHX.

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

      Phoenix-Mesa Gateway Airport (AZA)

      • You can book a direct Phoenix to Great Falls International Airport (GTF) plane ticket with departures from Phoenix-Mesa Gateway Airport (AZA). Work out whether leaving from AZA works best for your plans.

      • Allegiant Air offers direct flights from Phoenix to GTF departing from AZA. Book your favourite seat and get to your destination without any detours.

      • On the AZA to GTF route, Allegiant Air is the go-to airline for most travellers.

      • With 78.38% of its services arriving as scheduled, Allegiant Air is the top on-time carrier flying between Phoenix-Mesa Gateway Airport and Great Falls International Airport.

      • AZA is around 32 kilometres from central Phoenix. It takes 30 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 1 hour 15 minutes.

      • Got an early start? Think about checking in to one of these accommodation options near Phoenix-Mesa Gateway Airport the day before your Phoenix to GTF flight:

      • Phoenix-Mesa Gateway Airport has earned its reputation for punctuality. 82% of flights leaving here meet their scheduled arrival times without fail.

      • The street address for AZA is 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 is around 8 kilometres from central Great Falls. It takes around 10 minutes or so to get to the city by car.

      • If you're using public transport, expect a journey of about 25 minutes.

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

      • $63 is the lowest price for a one-way ticket from Phoenix to Great Falls International Airport. A return flight starts from $133. These fares can change based on demand.

      • To find cheap flights from Phoenix to GTF, book in advance. Airlines tend to offer lower prices when tickets are first released.

      • Affordable Phoenix to Great Falls International Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' tool to compare fares throughout the month and then pick the cheapest day.

      • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you the moment a better deal comes up on plane tickets from Phoenix to GTF.

      • Tailor your flights using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Phoenix to Great Falls International Airport.

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

      • It's time to work out when to book your flight from Phoenix to Great Falls International Airport (GTF). July is when most people travel to Great Falls. If you like your getaways a little more chill, go in December.

      • The warmest month in Great Falls is July, with temperatures ranging between 11ºC (52ºF) and 33ºC (91ºF). Lock in your Phoenix to GTF plane ticket then if that's your definition of good weather.

      • Look for cheap tickets from Phoenix to Great Falls International Airport in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -21ºC (-6ºF) and 8ºC (46ºF).

      More about Great Falls

      • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Great Falls right here. Browse these hotels after you've booked your flight from Phoenix to Great Falls International Airport:

      • There are so many things to do and see in this city, it can be hard to figure out where to begin. Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and St. Ann Cathedral are top sights which should feature on any well-planned Great Falls itinerary.

      Explore more of the United States

      • Great Falls will leave a lasting impression, but there are so many other parts of the United States you'll want to see. Around 290 kilometres southeast of Great Falls, a visit to Billings will keep you busy. Don't miss top attractions like Museum of Women's History, Yellowstone Art Museum and The Rimrocks.

      • Around 209 kilometres west of Great Falls, Missoula is another favourite stop in the United States. Experience the best of this destination with a visit to Mt Jumbo, Lolo Natioal Forest and Missoula Art Museum.

      Plan smart, explore more

      Where should Australians travel this year?

      What are the cheapest days and weeks to fly?

      5 best premium economy airlines worth paying for

      How to search for multi-city flights with Skyscanner

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