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Sky Harbor Intl

$148+ Cheap flights from Great Falls (GTF) to Sky Harbor Intl (PHX)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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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 October 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Kiwi.com)

One-way from

$148
(Trip.com)

Popular in

August

Cheapest in

April

Average price

$387
Provider with most accurate pricing for Great Falls-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Great Falls-Phoenix Sky Harbor Intl flights.
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From Great Falls to Phoenix Sky Harbor Intl
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One-way flight from Great Falls to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:22 pmGTF - PHX
1 stop25h 02mMultiple Airlines
Mon 11/107:01 amPHX - GTF
1 stop14h 30mMultiple Airlines
Deal found 10/5$234
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:08 pmGTF - PHX
2 stops10h 13mDelta
Mon 11/108:00 amPHX - GTF
2 stops9h 30mDelta
Deal found 10/5$283
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:22 pmGTF - PHX
1 stop25h 02mMultiple Airlines
Mon 12/110:11 pmPHX - GTF
2 stops36h 11mMultiple Airlines
Deal found 10/4$290
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:35 pmGTF - PHX
1 stop27h 16mAlaska Airlines
Sun 12/76:00 amPHX - GTF
1 stop12h 55mAlaska Airlines
Deal found 10/4$327
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:30 amGTF - PHX
2 stops10h 14mDelta
Mon 11/248:00 amPHX - GTF
2 stops9h 30mDelta
Deal found 10/6$333
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:56 amGTF - PHX
1 stop21h 23mMultiple Airlines
Mon 12/110:11 pmPHX - GTF
2 stops36h 11mMultiple Airlines
Deal found 10/4$338
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:08 pmGTF - PHX
1 stop4h 02mDelta
Mon 11/106:27 pmPHX - GTF
1 stop4h 03mDelta
Deal found 10/6$358
This Trip.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:50 pmGTF - PHX
1 stop5h 37mHawaiian Airlines
Mon 11/246:00 amPHX - GTF
1 stop13h 02mHawaiian Airlines
Deal found 10/6$361

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 2,558,603 searches. Data last updated October 6, 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

Mon 11/3

9:22 pm-10:24 pm

1 stop25h 02m

Phoenix Sky Harbor Intl

Mon 11/10

7:01 am-9:31 pm

1 stop14h 30m

$234

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 11/3

1:08 pm-11:21 pm

2 stops10h 13m

Phoenix Sky Harbor Intl

Mon 11/10

8:00 am-5:30 pm

2 stops9h 30m

$283

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 12/2

7:35 pm-10:51 pm

1 stop27h 16m

Phoenix Sky Harbor Intl

Sun 12/7

6:00 am-6:55 pm

1 stop12h 55m

$327

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 10/29

6:09 pm-10:38 pm

1 stop5h 29m

Phoenix Sky Harbor Intl

Mon 11/10

6:27 pm-10:30 pm

1 stop4h 03m

$358

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 11/20

1:12 pm-11:47 pm

2 stops10h 35m

Phoenix Sky Harbor Intl

Thu 11/27

7:15 am-12:32 pm

2 stops29h 17m

$371

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 11/19

6:10 pm-12:36 am

1 stop6h 26m

Phoenix Sky Harbor Intl

Thu 11/27

1:12 pm-12:32 pm

2 stops23h 20m

$379

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 11/18

6:50 pm-12:43 pm

1 stop17h 53m

$148

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 11/18

5:30 am-3:44 pm

2 stops10h 14m

$152

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 11/18

6:50 pm-10:28 am

3 stops39h 38m

$283

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 10/12

6:15 pm-11:40 pm

1 stop6h 25m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 14 results
1
2

Compare providers for flights from Great Falls to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Sky Harbor Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Great Falls-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $116). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $440). 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 October 6, 2025.

It’s typically best to fly out from Great Falls to Phoenix Sky Harbor Intl Airport in the evening. Doing so could potentially save you 69% on the flight price compared to flying in the morning, which is usually more expensive.

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

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 October 6, 2025.
Read through reviews of airlines operating flights from Great Falls to Phoenix Sky Harbor Intl Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,957 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Great Falls (GTF) is the airport you will fly out of if you book a flight from Great Falls to Phoenix Sky Harbor Intl. You should not have trouble finding flights to Phoenix Sky Harbor Intl from Great Falls; the airport handles an average of 0 outbound flights to Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Great Falls airport to Phoenix Sky Harbor Intl. It is only a 3.5 mi journey to Great Falls (GTF) from Great Falls’s city center.

  • How long is the flight from Great Falls to Phoenix Sky Harbor Intl Airport?

    Airlines like Delta and Alaska Airlines fly from Great Falls to Phoenix Sky Harbor Intl Airport in about 10h 13m. The time it takes to get you to your destination can typically vary by up to 17h 03m. The distance between Great Falls and Phoenix Sky Harbor Intl Airport is about 970 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Great Falls to Phoenix Sky Harbor Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $197 on this airline. An additional option worth looking into is United Airlines, starting at $320. Delta is 51% 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?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $148. Delta flights start at $152 while deals on Alaska Airlines start at $423 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, March is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of $116). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $440). 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

Traveling 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
Payson
Chandler
Casa Grande
Globe
Goodyear
Camp Verde
Glendale
Buckeye
Peoria
Surprise
Paradise Valley
Avondale
Guadalupe

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Top 2 airlines flying from Great Falls to Sky Harbor Intl

Discover the top 2 airlines that operate flights from Great Falls to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$197Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$320Average$421FlexibilityNo cancel feeOn-time69%

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