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Cheap flights from Great Falls to Phoenix Sky Harbor Intl Airport from C$ 260

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
17 oct. — 24 oct.1
1 adult
1 adult, Economy

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 17 septiembre 2025.

Round-trip from

C$ 492

One-way from

C$ 260

Popular in

August

Cheapest in

April

Average price

C$ 483
Delta
  • Delta
  • 29/10-10/11
  • 2 total stops
  • 9h 51m total
  • Great Falls to Phoenix
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Delta
  • Delta
  • 15/1
  • 1 total stop
  • 5h 39m total
  • Great Falls to Phoenix
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 28 potential savings vs. average RT price).
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Average for round-trip flights in September 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 17 septiembre 2025.

mié. 29/101:08 p.m.GTF - PHX
1 stop4h 02mDelta
lun. 10/116:22 p.m.PHX - GTF
1 stop4h 22mDelta
Deal found 17/9C$ 492
mié. 19/111:12 p.m.GTF - PHX
1 stop5h 49mDelta
mar. 25/116:22 p.m.PHX - GTF
1 stop4h 22mDelta
Deal found 16/9C$ 525
mié. 8/106:15 p.m.GTF - PHX
2 stops29h 24mAlaska Airlines
jue. 16/108:00 a.m.PHX - GTF
1 stop8h 35mAlaska Airlines
Deal found 17/9C$ 554
lun. 29/126:19 p.m.GTF - PHX
1 stop6h 21mDelta
vie. 2/111:03 a.m.PHX - GTF
1 stop6h 36mDelta
Deal found 15/9C$ 581

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 17 septiembre 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

mié. 29/10

6:09 p.m.-10:38 p.m.

1 stop5h 29m

Phoenix Sky Harbor Intl

lun. 10/11

6:22 p.m.-10:44 p.m.

1 stop4h 22m

C$ 492

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

jue. 26/2

4:00 p.m.-10:11 p.m.

1 stop6h 11m

Phoenix Sky Harbor Intl

lun. 2/3

10:45 a.m.-3:20 p.m.

1 stop28h 35m

C$ 509

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

mié. 19/11

1:12 p.m.-7:01 p.m.

1 stop5h 49m

Phoenix Sky Harbor Intl

mar. 25/11

6:22 p.m.-10:44 p.m.

1 stop4h 22m

C$ 525

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

mié. 8/10

6:15 p.m.-10:39 p.m.

2 stops29h 24m

Phoenix Sky Harbor Intl

jue. 16/10

8:00 a.m.-5:35 p.m.

1 stop8h 35m

C$ 554

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

jue. 26/2

4:00 p.m.-11:56 p.m.

1 stop7h 56m

Phoenix Sky Harbor Intl

dom. 1/3

11:40 a.m.-3:20 p.m.

2 stops27h 40m

C$ 575

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

jue. 15/1

6:15 p.m.-11:54 p.m.

1 stop5h 39m

C$ 260

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

mié. 15/10

6:15 p.m.-10:39 p.m.

2 stops29h 24m

C$ 268

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

sáb. 1/11

2:30 p.m.-6:49 p.m.

1 stop5h 19m

C$ 281

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

sáb. 27/9

5:40 a.m.-8:25 a.m.

1 stop3h 45m

C$ 582

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

sáb. 1/11

6:50 p.m.-10:47 p.m.

3 stops28h 57m

C$ 662

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 11 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, 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 17 septiembre 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.

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 29m. 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.

  • 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$ 260 on Delta. Other airlines that offer cheap prices include Alaska Airlines from C$ 268 and United Airlines from C$ 281 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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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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