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Sky Harbor Intl

$203+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHX
May 20 — May 271
Tue 5/20
Tue 5/27
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 May 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$419
(Alaska Airlines)

One-way from

$223
(Delta)

Popular in

June

Cheapest in

April

Average price

$417
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. 16% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 7/34:55 pmGTF - PHX
1 stop18h 57mAlaska Airlines
Tue 7/83:47 pmPHX - GTF
1 stop23h 26mAlaska Airlines
Deal found 5/15$389
This Delta deal was found by Cheapflights users on 5/15. 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 7/36:00 amGTF - PHX
1 stop7h 22mDelta
Tue 7/812:10 pmPHX - GTF
2 stops9h 35mDelta
Deal found 5/15$432
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Fri 7/186:25 amGTF - PHX
1 stop27h 16mUnited Airlines
Sun 7/207:06 pmPHX - GTF
2 stops25h 07mUnited Airlines
Deal found 5/15$520
This Mytrip deal was found by Cheapflights users on 5/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:27 pmGTF - PHX
3 stops21h 15mMultiple Airlines
Sun 5/189:19 amPHX - GTF
1 stop24h 37mMultiple Airlines
Deal found 5/15$636

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 May 15, 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

Sun 10/12

6:15 pm-11:40 pm

1 stop6h 25m

Phoenix Sky Harbor Intl

Thu 10/16

8:00 am-5:35 pm

1 stop8h 35m

$361

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 10/12

6:15 pm-10:39 pm

2 stops29h 24m

Phoenix Sky Harbor Intl

Thu 10/16

9:00 am-5:35 pm

1 stop7h 35m

$377

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 7/3

11:42 am-4:20 pm

1 stop5h 38m

Phoenix Sky Harbor Intl

Tue 7/8

12:10 pm-10:45 pm

2 stops9h 35m

$432

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sun 6/22

6:25 am-12:18 pm

1 stop6h 53m

Phoenix Sky Harbor Intl

Sun 6/29

6:00 am-1:36 pm

1 stop6h 36m

$478

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sat 8/16

4:55 pm-9:00 am

1 stop17h 05m

$203

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 7/21

6:19 pm-11:42 pm

1 stop6h 23m

$223

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Mon 7/21

6:25 am-8:59 pm

2 stops15h 34m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 Priceline the most. Priceline 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, January is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 May 15, 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 70% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 May 15, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,435 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,731 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 3 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.

  • 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 Alaska Airlines. Our recent data shows that you can find tickets from as low as $419 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $432 and $478 round-trip.

  • 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, January is the cheapest month in which you can book a flight from Great Falls to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Great Falls to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 Great Falls?

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Top 3 airlines flying from Great Falls to Sky Harbor Intl

Discover the top 3 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$222Average$430FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$273Average$356FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$320Average$429FlexibilityNo cancel feeOn-time69%

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