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Cheap flights from Great Falls to Phoenix Sky Harbor Intl Airport from C$ 228

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Great Falls to Sky Harbor Intl

Enter your travel dates to find the best prices.

Cheapest flights from Great Falls to Sky Harbor Intl
Explore the most affordable flight options available from Great Falls to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Tue 5/56:15 p.m.
GTF
-
PHX
1 stop6h 44m
Alaska Airlines
Fri 8/54:00 p.m.
PHX
-
GTF
1 stop24h 35m
Alaska Airlines
Deal found 1/4C$ 500
Tue 21/45:06 p.m.
GTF
-
PHX
1 stop6h 45m
Alaska Airlines
Tue 28/46:00 a.m.
PHX
-
GTF
1 stop10h 35m
Alaska Airlines
Deal found 29/3C$ 513
Wed 29/46:15 p.m.
GTF
-
PHX
1 stop6h 44m
Alaska Airlines
Sun 3/55:00 a.m.
PHX
-
GTF
1 stop11h 35m
Alaska Airlines
Deal found 30/3C$ 540
Wed 12/81:10 p.m.
GTF
-
PHX
1 stop6h 16m
Delta
Sun 16/86:00 a.m.
PHX
-
GTF
1 stop5h 23m
Delta
Deal found 31/3C$ 542
Sat 12/124:55 p.m.
GTF
-
PHX
1 stop6h 06m
Alaska Airlines
Wed 16/128:05 a.m.
PHX
-
GTF
1 stop8h 08m
Alaska Airlines
Deal found 30/3C$ 563
Wed 12/86:15 a.m.
GTF
-
PHX
1 stop5h 18m
United Airlines
Sun 16/81:31 p.m.
PHX
-
GTF
1 stop6h 57m
United Airlines
Deal found 31/3C$ 570
Fri 13/114:55 p.m.
GTF
-
PHX
1 stop8h 01m
Alaska Airlines
Fri 20/118:05 a.m.
PHX
-
GTF
1 stop8h 08m
Alaska Airlines
Deal found 31/3C$ 581
Thu 21/56:19 p.m.
GTF
-
PHX
1 stop6h 10m
Delta
Sun 24/55:16 p.m.
PHX
-
GTF
1 stop4h 10m
Delta
Deal found 30/3C$ 583

Find flight deals from Great Falls to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 April 2026.

Round-trip from

C$ 500

One-way from

C$ 228

Popular in

December

Cheapest in

September

Average price

C$ 551
Alaska Airlines
  • Alaska Airlines
  • 5/5-8/5
  • 2 total stops
  • 31h 19m total
  • Great Falls to Phoenix
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 15/5
  • 1 total stop
  • 6h 07m total
  • Great Falls to Phoenix
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 277 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 2 April 2026.
Use the filters below to find and compare flights from Great Falls to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 29/4

6:15 p.m.-11:59 p.m.

1 stop6h 44m

Phoenix Sky Harbor Intl

Sun 3/5

5:00 a.m.-5:35 p.m.

1 stop11h 35m

C$ 540
Quickest round-trip

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 18/6

1:22 p.m.-6:09 p.m.

1 stop5h 47m

Phoenix Sky Harbor Intl

Fri 26/6

5:07 p.m.-10:40 p.m.

1 stop4h 33m

C$ 542

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 21/5

6:19 p.m.-11:29 p.m.

1 stop6h 10m

Phoenix Sky Harbor Intl

Sun 24/5

5:16 p.m.-10:26 p.m.

1 stop4h 10m

C$ 583

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 21/5

6:19 p.m.-11:29 p.m.

1 stop6h 10m

Phoenix Sky Harbor Intl

Thu 28/5

6:05 a.m.-12:27 p.m.

1 stop5h 22m

C$ 583

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 5/5

6:15 p.m.-11:59 p.m.

1 stop6h 44m

Phoenix Sky Harbor Intl

Fri 8/5

1:58 p.m.-5:35 p.m.

2 stops26h 37m

C$ 600

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 3/5

6:15 p.m.-11:59 p.m.

1 stop6h 44m

Phoenix Sky Harbor Intl

Mon 11/5

5:00 a.m.-5:35 p.m.

1 stop11h 35m

C$ 656

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 14/5

6:19 p.m.-11:29 p.m.

1 stop6h 10m

Phoenix Sky Harbor Intl

Thu 21/5

9:33 a.m.-5:39 p.m.

1 stop7h 06m

C$ 683

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 22/4

6:15 a.m.-9:59 p.m.

2 stops16h 44m

Phoenix Sky Harbor Intl

Mon 27/4

3:30 p.m.-9:17 p.m.

1 stop4h 47m

C$ 708
Cheapest one-way
Quickest one-way

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 15/5

6:52 p.m.-11:59 p.m.

1 stop6h 07m

C$ 228

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 1/5

6:15 p.m.-11:59 p.m.

1 stop6h 44m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Best time to book a flight from Great Falls to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Great Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Phoenix Sky Harbor Intl Airport

What is the cheapest month to book a flight from Great Falls to Phoenix Sky Harbor Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of C$ 151). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in January is currently the most expensive (average of C$ 717). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Great Falls to Phoenix Sky Harbor Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Great Falls to Phoenix Sky Harbor Intl?

    Located just 5.7 km from the city centre, Great Falls is the airport most travellers will use when flying to Phoenix Sky Harbor Intl from Great Falls. Booking flights from Great Falls (GTF) to Phoenix Sky Harbor Intl should be relatively easy as there are 0 daily outbound flights to Phoenix Sky Harbor Intl from 0 different airlines.

  • How long is the flight from Great Falls to Phoenix Sky Harbor Intl Airport?

    There are many flights that can get you from Great Falls to Phoenix Sky Harbor Intl Airport in 5h 47m. Fly via Alaska Airlines or Delta to get the fastest option. Great Falls and Phoenix Sky Harbor Intl Airport are separated by a distance of 1561 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Great Falls to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Great Falls to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Sky Harbor Intl.

  • Can I find deals for business class flights from Great Falls to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Great Falls to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Great Falls to Phoenix Sky Harbor Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of C$ 151). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in January is currently the most expensive (average of C$ 717). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Chandler
Peoria
Wickenburg
Goodyear
Litchfield Park
Fountain Hills

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Can Cheapflights find flights from Great Falls to Sky Harbor Intl with no change fees?

Need flexible booking options for your flight to Sky Harbor Intl from Great Falls? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Great Falls to Sky Harbor Intl become cheaper?

Yes, Cheapflights offers price alerts on Great Falls to Sky Harbor Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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