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Cheap flights from Great Falls to Phoenix Sky Harbor Intl Airport from C$ 180

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
14 Mar — 21 Mar1
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 12 February 2026.

Fri 10/42:30 p.m.
GTF
-
PHX
1 stop6h 49m
United Airlines
Wed 15/43:30 p.m.
PHX
-
GTF
1 stop4h 47m
United Airlines
Deal found 11/2C$ 398
Fri 10/46:22 p.m.
GTF
-
PHX
1 stop6h 17m
Delta
Wed 15/46:05 a.m.
PHX
-
GTF
1 stop5h 22m
Delta
Deal found 12/2C$ 404
Fri 27/35:06 p.m.
GTF
-
PHX
1 stop5h 45m
Alaska Airlines
Sat 4/47:20 a.m.
PHX
-
GTF
1 stop8h 06m
Alaska Airlines
Deal found 10/2C$ 447
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 12/2C$ 453
Wed 12/85:30 a.m.
GTF
-
PHX
1 stop4h 22m
Delta
Sun 16/86:00 a.m.
PHX
-
GTF
1 stop5h 23m
Delta
Deal found 10/2C$ 461
Thu 7/56:15 p.m.
GTF
-
PHX
1 stop6h 44m
Alaska Airlines
Wed 13/56:00 a.m.
PHX
-
GTF
1 stop11h 12m
Alaska Airlines
Deal found 9/2C$ 462
Tue 18/81:10 p.m.
GTF
-
PHX
2 stops9h 42m
Delta
Thu 20/86:00 a.m.
PHX
-
GTF
2 stops10h 39m
Delta
Deal found 11/2C$ 476
Thu 9/46:22 p.m.
GTF
-
PHX
1 stop6h 17m
Delta
Tue 14/49:35 a.m.
PHX
-
GTF
1 stop7h 05m
Delta
Deal found 10/2C$ 477
Wed 8/42:30 p.m.
GTF
-
PHX
1 stop5h 15m
United Airlines
Fri 10/43:30 p.m.
PHX
-
GTF
1 stop4h 47m
United Airlines
Deal found 10/2C$ 493

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 12 February 2026.

Round-trip from

C$ 398

One-way from

C$ 180

Popular in

December

Cheapest in

April

Average price

C$ 656
United Airlines
  • United Airlines
  • 10/4-15/4
  • 2 total stops
  • 11h 36m total
  • Great Falls to Phoenix
Search Deals
Delta
  • Delta
  • 4/3
  • 1 total stop
  • 6h 22m total
  • Great Falls to Phoenix
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 279 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 February 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 12 February 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

Great Falls

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 10/4

1:05 p.m.-6:28 p.m.

1 stop6h 23m

Phoenix Sky Harbor Intl

Wed 15/4

12:10 p.m.-10:29 p.m.

2 stops9h 19m

C$ 419

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 27/3

5:06 p.m.-9:51 p.m.

1 stop5h 45m

Phoenix Sky Harbor Intl

Thu 2/4

7:20 a.m.-4:26 p.m.

1 stop8h 06m

C$ 447

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 13/3

6:22 p.m.-11:39 p.m.

1 stop6h 17m

Phoenix Sky Harbor Intl

Fri 27/3

6:00 a.m.-12:24 p.m.

1 stop5h 24m

C$ 447

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 27/3

5:06 p.m.-9:51 p.m.

1 stop5h 45m

Phoenix Sky Harbor Intl

Sat 4/4

7:20 a.m.-4:26 p.m.

1 stop8h 06m

C$ 447

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$ 453

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 7/5

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

1 stop6h 44m

Phoenix Sky Harbor Intl

Wed 13/5

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

1 stop11h 12m

C$ 462

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 9/4

6:22 p.m.-11:39 p.m.

1 stop6h 17m

Phoenix Sky Harbor Intl

Tue 14/4

9:35 a.m.-5:40 p.m.

1 stop7h 05m

C$ 477

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 8/4

2:30 p.m.-8:19 p.m.

1 stop6h 49m

Phoenix Sky Harbor Intl

Fri 10/4

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

1 stop4h 47m

C$ 493

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 13/3

4:57 p.m.-11:01 p.m.

1 stop7h 04m

Phoenix Sky Harbor Intl

Thu 19/3

8:20 a.m.-4:26 p.m.

1 stop7h 06m

C$ 495

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 16/4

5:06 p.m.-10:51 p.m.

1 stop6h 45m

Phoenix Sky Harbor Intl

Mon 20/4

8:40 p.m.-4:26 p.m.

2 stops18h 46m

C$ 523

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 19 results
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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$ 148). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in January is currently the most expensive (average of C$ 699). 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 45m. Fly via Delta or Alaska Airlines 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$ 148). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in January is currently the most expensive (average of C$ 699). 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
Wickenburg
Peoria
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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