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Cheap flights from Great Falls to Phoenix Sky Harbor Intl Airport from C$ 287

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
25 Aug — 1 Sep1
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 26 July 2026.

Tue 10/114:57 p.m.
GTF
-
PHX
1 stop20h 59m
Alaska Airlines
Tue 17/111:49 p.m.
PHX
-
GTF
1 stop26h 28m
Alaska Airlines
Deal found 21/7C$ 538
Wed 26/85:18 p.m.
GTF
-
PHX
1 stop5h 42m
Alaska Airlines
Tue 1/92:29 p.m.
PHX
-
GTF
1 stop25h 09m
Alaska Airlines
Deal found 25/7C$ 545
Thu 27/86:15 a.m.
GTF
-
PHX
1 stop7h 13m
United Airlines
Wed 2/96:00 a.m.
PHX
-
GTF
1 stop6h 29m
United Airlines
Deal found 23/7C$ 578
Thu 13/86:15 a.m.
GTF
-
PHX
1 stop5h 22m
United Airlines
Sun 16/83:19 p.m.
PHX
-
GTF
1 stop4h 53m
United Airlines
Deal found 22/7C$ 581
Wed 23/95:19 p.m.
GTF
-
PHX
1 stop5h 41m
Alaska Airlines
Sun 27/94:13 p.m.
PHX
-
GTF
1 stop23h 26m
Alaska Airlines
Deal found 22/7C$ 588

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 26 July 2026.

Round-trip from

C$ 538

One-way from

C$ 287

Popular in

May

Cheapest in

July

Average price

C$ 176
Alaska Airlines
  • Alaska Airlines
  • 10/11-17/11
  • 2 total stops
  • 47h 27m total
  • Great Falls to Phoenix
Search Deals
United Airlines
  • United Airlines
  • 22/8
  • 1 total stop
  • 7h 13m total
  • Great Falls to Phoenix
Search Deals
Highest demand for flights based on searches. 37% potential increase in price (C$ 650 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 22% potential price decrease (C$ 199 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 26 July 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 26/8

5:18 p.m.-10:24 a.m.

1 stop18h 06m

Phoenix Sky Harbor Intl

Tue 1/9

12:13 p.m.-4:38 p.m.

2 stops27h 25m

C$ 572

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 23/9

5:19 p.m.-10:00 p.m.

1 stop5h 41m

Phoenix Sky Harbor Intl

Sun 27/9

4:13 p.m.-4:39 p.m.

1 stop23h 26m

C$ 588
Quickest round-trip

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 19/8

6:15 a.m.-12:28 p.m.

1 stop7h 13m

Phoenix Sky Harbor Intl

Sun 23/8

3:19 p.m.-9:12 p.m.

1 stop4h 53m

C$ 637

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 6/1

4:55 p.m.-12:56 a.m.

1 stop8h 01m

Phoenix Sky Harbor Intl

Sat 9/1

8:05 a.m.-4:13 p.m.

1 stop8h 08m

C$ 651

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 8/12

4:55 p.m.-11:01 p.m.

1 stop6h 06m

Phoenix Sky Harbor Intl

Fri 11/12

7:05 a.m.-4:13 p.m.

1 stop9h 08m

C$ 651

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 22/10

5:15 p.m.-6:42 p.m.

2 stops26h 27m

Phoenix Sky Harbor Intl

Thu 29/10

3:42 p.m.-4:35 p.m.

2 stops23h 53m

C$ 657
Cheapest one-way
Quickest one-way

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 8/9

6:15 a.m.-10:37 a.m.

1 stop5h 22m

C$ 287

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sat 24/10

6:15 a.m.-12:27 p.m.

1 stop7h 12m

C$ 287

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 6/9

2:25 p.m.-8:24 p.m.

1 stop6h 59m

C$ 290

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 4/9

5:18 p.m.-11:38 p.m.

1 stop7h 20m

C$ 326

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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, July is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of C$ 176). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of C$ 2,308). 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?

Airfare is typical for this route at the moment.

Great Falls to Phoenix Sky Harbor Intl Airport flights typically cost between C$ 407 and C$ 791 in November.
The cheapest round-trip price found within the last 5 days was C$ 538 on Alaska Airlines (10 Nov-17 Nov).

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 18h 06m. Fly via Alaska Airlines 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, July is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of C$ 176). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of C$ 2,308). 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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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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