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Cheap flights from Great Falls to Phoenix Sky Harbor Intl Airport from C$ 306

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
5 Jul — 12 Jul1
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 5 June 2026.

Wed 12/85:09 p.m.
GTF
-
PHX
1 stop6h 44m
Alaska Airlines
Tue 18/82:37 p.m.
PHX
-
GTF
1 stop25h 01m
Alaska Airlines
Deal found 1/6C$ 530
Mon 28/96:21 p.m.
GTF
-
PHX
1 stop6h 15m
Delta
Sat 3/105:11 p.m.
PHX
-
GTF
1 stop4h 31m
Delta
Deal found 1/6C$ 532
Sat 8/85:09 p.m.
GTF
-
PHX
1 stop7h 40m
Alaska Airlines
Fri 14/87:20 a.m.
PHX
-
GTF
1 stop8h 09m
Alaska Airlines
Deal found 2/6C$ 556
Fri 7/86:22 p.m.
GTF
-
PHX
1 stop6h 50m
Delta
Wed 12/812:15 p.m.
PHX
-
GTF
2 stops9h 23m
Delta
Deal found 2/6C$ 564
Tue 20/106:15 a.m.
GTF
-
PHX
1 stop5h 33m
United Airlines
Wed 28/104:34 p.m.
PHX
-
GTF
1 stop4h 56m
United Airlines
Deal found 5/6C$ 567
Mon 19/102:37 p.m.
GTF
-
PHX
1 stop5h 55m
United Airlines
Sat 24/103:30 p.m.
PHX
-
GTF
1 stop4h 52m
United Airlines
Deal found 5/6C$ 570
Tue 11/81:08 p.m.
GTF
-
PHX
2 stops10h 52m
Delta
Wed 12/812:15 p.m.
PHX
-
GTF
2 stops9h 23m
Delta
Deal found 2/6C$ 571
Tue 1/95:18 p.m.
GTF
-
PHX
1 stop18h 06m
Alaska Airlines
Tue 8/99:22 a.m.
PHX
-
GTF
1 stop6h 17m
Alaska Airlines
Deal found 3/6C$ 585
Tue 6/105:15 p.m.
GTF
-
PHX
1 stop24h 22m
Alaska Airlines
Sat 10/106:00 a.m.
PHX
-
GTF
1 stop9h 35m
Alaska Airlines
Deal found 4/6C$ 587
Fri 7/85:09 p.m.
GTF
-
PHX
1 stop7h 40m
Alaska Airlines
Tue 18/811:23 a.m.
PHX
-
GTF
1 stop28h 15m
Alaska Airlines
Deal found 2/6C$ 592

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 5 June 2026.

Round-trip from

C$ 530

One-way from

C$ 306

Popular in

May

Cheapest in

September

Average price

C$ 706
Alaska Airlines
  • Alaska Airlines
  • 12/8-18/8
  • 2 total stops
  • 31h 45m total
  • Great Falls to Phoenix
Search Deals
Delta
  • Delta
  • 2/7
  • 1 total stop
  • 4h 49m total
  • Great Falls to Phoenix
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (C$ 550 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 20% potential price decrease (C$ 190 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 5 June 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

Fri 13/11

6:20 p.m.-12:42 a.m.

1 stop6h 22m

Phoenix Sky Harbor Intl

Tue 17/11

6:20 p.m.-10:53 p.m.

1 stop4h 33m

C$ 532
Quickest round-trip

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 12/8

6:22 p.m.-11:41 p.m.

1 stop6h 19m

Phoenix Sky Harbor Intl

Sun 16/8

5:10 p.m.-10:38 p.m.

1 stop4h 28m

C$ 556

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 18/9

6:21 p.m.-11:36 p.m.

1 stop6h 15m

Phoenix Sky Harbor Intl

Mon 21/9

6:00 a.m.-5:41 p.m.

2 stops10h 41m

C$ 564

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 1/9

1:08 p.m.-9:01 p.m.

2 stops8h 53m

Phoenix Sky Harbor Intl

Tue 8/9

6:00 a.m.-5:39 p.m.

2 stops10h 39m

C$ 602

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 1/7

6:25 p.m.-10:14 p.m.

1 stop4h 49m

Phoenix Sky Harbor Intl

Wed 8/7

9:45 a.m.-5:42 p.m.

1 stop6h 57m

C$ 612

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 16/7

5:40 a.m.-8:44 a.m.

1 stop4h 04m

Phoenix Sky Harbor Intl

Sun 19/7

9:45 a.m.-5:42 p.m.

1 stop6h 57m

C$ 612

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sat 24/10

6:20 p.m.-11:42 p.m.

1 stop6h 22m

Phoenix Sky Harbor Intl

Sun 25/10

6:00 a.m.-12:27 p.m.

1 stop5h 27m

C$ 626

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 25/10

1:10 p.m.-9:52 p.m.

2 stops9h 42m

Phoenix Sky Harbor Intl

Mon 26/10

5:20 p.m.-10:53 p.m.

1 stop4h 33m

C$ 634

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 6/10

5:30 a.m.-11:28 a.m.

2 stops6h 58m

Phoenix Sky Harbor Intl

Sat 10/10

6:00 a.m.-5:43 p.m.

2 stops10h 43m

C$ 641

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 7/7

1:17 p.m.-6:07 p.m.

1 stop5h 50m

Phoenix Sky Harbor Intl

Tue 28/7

9:45 a.m.-5:42 p.m.

1 stop6h 57m

C$ 656

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of C$ 488). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of C$ 2,277). 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 6h 22m. Fly via Delta to get the fastest option. Great Falls and Phoenix Sky Harbor Intl Airport are separated by a distance of 1561 km.

  • 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, September is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of C$ 488). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of C$ 2,277). 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
Wickenburg
Goodyear
Litchfield Park
Fountain Hills

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Why should you use Cheapflights to find cheap flight tickets from Great Falls to Sky Harbor Intl?

Cheapflights simply makes it quick and affordable to book flights from Great Falls to Sky Harbor Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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