HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$137+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Great Falls to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/2210:25 pmGTF - PHX
1 stop10h 23mMultiple Airlines
Sun 12/2810:26 pmPHX - GTF
1 stop23h 14mMultiple Airlines
Deal found 11/19$294
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/181:12 pmGTF - PHX
2 stops10h 39mDelta
Thu 12/2512:25 pmPHX - GTF
2 stops10h 05mDelta
Deal found 11/19$354
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Thu 12/411:17 amGTF - PHX
1 stop7h 14mMultiple Airlines
Mon 12/810:26 pmPHX - GTF
2 stops36h 01mMultiple Airlines
Deal found 11/18$370
This Delta deal was found by Cheapflights users on 11/19. 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 12/221:11 pmGTF - PHX
1 stop5h 46mDelta
Wed 12/2412:25 pmPHX - GTF
2 stops10h 05mDelta
Deal found 11/19$430
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:35 pmGTF - PHX
1 stop5h 18mUnited Airlines
Thu 12/2512:59 pmPHX - GTF
1 stop9h 47mUnited Airlines
Deal found 11/19$461
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/236:18 pmGTF - PHX
1 stop6h 28mDelta
Sun 12/286:35 amPHX - GTF
1 stop5h 56mDelta
Deal found 11/19$497
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:35 pmGTF - PHX
1 stop5h 18mUnited Airlines
Tue 12/306:45 amPHX - GTF
1 stop6h 54mUnited Airlines
Deal found 11/20$500
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:35 pmGTF - PHX
1 stop6h 41mUnited Airlines
Fri 12/198:10 amPHX - GTF
1 stop5h 29mUnited Airlines
Deal found 11/19$503

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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$262
(lol.travel)

One-way from

$137
(Trip.com)

Popular in

August

Cheapest in

April

Average price

$497
Provider with most accurate pricing for Great Falls-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Phoenix Sky Harbor Intl flights.
Search Deals
From Great Falls to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Great Falls to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 2,558,603 searches. Data last updated November 20, 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

Sat 1/10

5:59 pm-7:48 pm

1 stop25h 49m

Phoenix Sky Harbor Intl

Fri 1/16

1:16 pm-5:19 pm

1 stop28h 03m

$262

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 1/12

5:59 pm-11:59 pm

1 stop6h 00m

Phoenix Sky Harbor Intl

Thu 1/15

7:00 am-5:19 pm

1 stop10h 19m

$292

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 12/22

10:25 pm-8:48 am

1 stop10h 23m

Phoenix Sky Harbor Intl

Sun 12/28

10:26 pm-9:40 pm

1 stop23h 14m

$294

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 1/12

5:59 pm-7:25 pm

2 stops25h 26m

Phoenix Sky Harbor Intl

Thu 1/15

5:12 pm-5:19 pm

1 stop24h 07m

$343

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 12/18

1:12 pm-11:51 pm

2 stops10h 39m

Phoenix Sky Harbor Intl

Thu 12/25

12:25 pm-10:30 pm

2 stops10h 05m

$354

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 2/19

6:07 pm-11:59 pm

1 stop5h 52m

Phoenix Sky Harbor Intl

Mon 2/23

6:00 am-5:27 pm

1 stop11h 27m

$382

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 12/24

2:35 pm-9:41 pm

1 stop7h 06m

Phoenix Sky Harbor Intl

Wed 12/31

5:40 pm-10:46 pm

1 stop5h 06m

$430

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 12/22

1:11 pm-6:57 pm

1 stop5h 46m

Phoenix Sky Harbor Intl

Wed 12/24

12:25 pm-10:30 pm

2 stops10h 05m

$430

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 1/4

7:21 pm-11:50 pm

1 stop28h 29m

$137

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 1/23

5:59 pm-2:14 pm

1 stop20h 15m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 12 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $112). 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 November 20, 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.

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 November 20, 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
7.9
Good
8,002 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,028 reviews
Delta
7.9
Good
8,002 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 Alaska Airlines and Hawaiian Airlines fly from Great Falls to Phoenix Sky Harbor Intl Airport in about 6h. The time it takes to get you to your destination can typically vary by up to 19h 49m. 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 53% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $112). 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
Goodyear
Glendale
Payson
Chandler
Casa Grande
Globe
Peoria
Camp Verde
Buckeye
Surprise
Paradise Valley
Avondale
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$197Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$320Average$421FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.