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Cheap flights from Great Falls to Phoenix Sky Harbor Intl Airport from C$ 239

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
4 Aug — 11 Aug1
1 adult

Cheap 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 30 July 2025.

Round-trip from

C$ 386

One-way from

C$ 239

Popular in

June

Cheapest in

April

Average price

C$ 578
Delta
  • Delta
  • 16/9-20/9
  • 2 total stops
  • 10h 33m total
  • Great Falls to Phoenix
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Hawaiian Airlines
  • Hawaiian Airlines
  • 12/9
  • 1 total stop
  • 8h 26m total
  • Great Falls to Phoenix
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Highest demand for flights based on searches. 10% potential increase in price (C$ 86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Great Falls to Sky Harbor Intl

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 30 July 2025.

Tue 16/96:11 p.m.GTF - PHX
1 stop6h 25mDelta
Sat 20/95:20 p.m.PHX - GTF
1 stop4h 08mDelta
Deal found 30/7C$ 386
Mon 6/106:15 p.m.GTF - PHX
1 stop6h 25mHawaiian Airlines
Thu 9/109:00 a.m.PHX - GTF
1 stop7h 35mHawaiian Airlines
Deal found 29/7C$ 491
Tue 16/94:29 p.m.GTF - PHX
2 stops27h 48mAlaska Airlines
Sat 20/94:30 p.m.PHX - GTF
2 stops22h 19mAlaska Airlines
Deal found 30/7C$ 516
Thu 11/97:00 a.m.GTF - PHX
1 stop6h 28mUnited Airlines
Sun 14/96:05 a.m.PHX - GTF
1 stop6h 32mUnited Airlines
Deal found 28/7C$ 582

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 30 July 2025.
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

Tue 16/9

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

1 stop6h 25m

Phoenix Sky Harbor Intl

Sat 20/9

5:20 p.m.-10:28 p.m.

1 stop4h 08m

C$ 386

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 6/10

6:15 p.m.-11:40 p.m.

1 stop6h 25m

Phoenix Sky Harbor Intl

Thu 9/10

9:00 a.m.-5:35 p.m.

1 stop7h 35m

C$ 491

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 16/9

4:29 p.m.-7:17 p.m.

2 stops27h 48m

Phoenix Sky Harbor Intl

Sat 20/9

4:30 p.m.-3:49 p.m.

2 stops22h 19m

C$ 516

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 11/9

7:00 a.m.-12:28 p.m.

1 stop6h 28m

Phoenix Sky Harbor Intl

Sun 14/9

6:05 a.m.-1:37 p.m.

1 stop6h 32m

C$ 582

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 12/9

4:29 p.m.-11:55 p.m.

1 stop8h 26m

C$ 239

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 12/9

4:29 p.m.-3:30 p.m.

2 stops24h 01m

C$ 321

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 12/9

7:00 a.m.-5:41 p.m.

3 stops11h 41m

C$ 1,226

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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$ 247). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of C$ 316). 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.

What is the cheapest time of day to fly from GTF to PHX?

Find hourly flight availability from Great Falls to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

When flying from Great Falls to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 2% versus a flight in the morning.

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

What’s the top layover airport for flights from Great Falls to Phoenix Sky Harbor Intl Airport?

Share of one-stop round-trip flights from Great Falls to Phoenix Sky Harbor Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 62% of one-stop itineraries from Great Falls to Phoenix Sky Harbor Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Great Falls to Phoenix Sky Harbor Intl Airport?

Average round-trip fare for 1-stop flights from Great Falls to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of C$ 723.

What’s the fastest layover option from Great Falls to Phoenix Sky Harbor Intl Airport?

Shortest average travel time for 1-stop one-way flights from Great Falls to Phoenix Sky Harbor Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 32m.

Which airport typically offers the quickest layover for flights from Great Falls to Phoenix Sky Harbor Intl Airport?

Average layover duration for 1-stop one-way flights from Great Falls to Phoenix Sky Harbor Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 26m.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated 30 July 2025.
Check out reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Great Falls to Phoenix Sky Harbor Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines flying from Great Falls to Phoenix Sky Harbor Intl Airport round-trip?

    Cheapflights users have booked flights from Great Falls to Phoenix Sky Harbor Intl Airport round-trip from C$ 386. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from C$ 491, and Alaska Airlines, from C$ 516. Delta is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Great Falls to Phoenix Sky Harbor Intl Airport one-way?

    One-way options have recently been found by users for as low as C$ 239 on Hawaiian Airlines. Other airlines that offer cheap prices include Alaska Airlines from C$ 321 and United Airlines from C$ 1,226 one-way.

  • 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$ 247). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of C$ 316). 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
Litchfield Park
Peoria
Fountain Hills

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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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