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 50% 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 Delta, which is currently one of the cheapest options available, starting at $138. Alaska Airlines flights start at $196 while deals on Hawaiian Airlines start at $205 one-way.

What is the cheapest day to fly from Great Falls to Phoenix Sky Harbor Intl Airport?

Travelers seeking maximum savings on their Great Falls to Phoenix Sky Harbor Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest day to fly round-trip from Great Falls to Phoenix Sky Harbor Intl Airport?

Leaving on a Saturday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 45% on the overall cost on flights from Great Falls to Phoenix Sky Harbor Intl Airport.

What is the cheapest month to fly from Great Falls to Phoenix Sky Harbor Intl Airport?

September is one of the best times of the year to fly to Phoenix Sky Harbor Intl Airport from Great Falls. Prices for September average $396 per person but you can even find prices for as low as $298. The most expensive prices can be found in the month of June. Opting for a September flight can save you 22% on your journey compared to booking in June

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.

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.

$138+ Flights from Great Falls to Phoenix Sky Harbor Intl Airport

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Cheap flight deals from Great Falls to Sky Harbor Intl

Round-trip from	$230 (Kiwi.com)
One-way from	$138 (Delta)
Popular in	June
Cheapest in	September
Average price	$485

From Great Falls to Phoenix Sky Harbor Intl

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One-way flight from Great Falls to Phoenix Sky Harbor Intl

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 18, 2025.

Fri 9/510:21 pmGTF - PHX

1 stop19h 11mMultiple Airlines

Mon 9/85:45 amPHX - GTF

1 stop9h 20mMultiple Airlines

Deal found 8/18

$230

Fri 9/1910:21 pmGTF - PHX

2 stops14h 29mMultiple Airlines

Mon 9/225:30 amPHX - GTF

1 stop9h 35mMultiple Airlines

Deal found 8/16

$241

Fri 9/510:21 pmGTF - PHX

2 stops14h 29mMultiple Airlines

Sun 9/78:40 pmPHX - GTF

1 stop18h 25mMultiple Airlines

Deal found 8/18

$247

Fri 9/1210:21 pmGTF - PHX

1 stop25h 28mMultiple Airlines

Fri 9/196:15 pmPHX - GTF

1 stop20h 34mMultiple Airlines

Deal found 8/15

$289

Wed 10/296:09 pmGTF - PHX

1 stop5h 29mDelta

Mon 11/106:15 pmPHX - GTF

1 stop4h 36mDelta

Deal found 8/18

$318

Sat 9/65:45 amGTF - PHX

2 stops6h 51mDelta

Mon 9/86:10 amPHX - GTF

1 stop3h 53mDelta

Deal found 8/15

$328

Thu 9/114:29 pmGTF - PHX

1 stop8h 26mHawaiian Airlines

Mon 9/158:04 amPHX - GTF

1 stop6h 45mHawaiian Airlines

Deal found 8/15

$348

Mon 9/16:07 pmGTF - PHX

1 stop6h 58mMultiple Airlines

Fri 9/58:15 amPHX - GTF

1 stop12h 16mMultiple Airlines

Deal found 8/16

$356

Thu 9/254:29 pmGTF - PHX

1 stop8h 02mMultiple Airlines

Mon 9/296:05 amPHX - GTF

1 stop8h 44mMultiple Airlines

Deal found 8/16

$363

Mon 10/66:09 pmGTF - PHX

1 stop6h 29mDelta

Thu 10/96:13 amPHX - GTF

2 stops10h 16mDelta

Deal found 8/16

$366

Best flights from Great Falls to Sky Harbor Intl
Discover carefully curated flight deals from Great Falls to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Fri 9/510:21 pmGTF - PHX

1 stop19h 11mMultiple Airlines

Mon 9/85:45 amPHX - GTF

1 stop9h 20mMultiple Airlines

Deal found 8/18

$230

Sat 9/611:43 amGTF - PHX

1 stop5h 32mDelta

Mon 9/86:10 amPHX - GTF

1 stop3h 53mDelta

Deal found 8/15

$318

Thu 9/114:29 pmGTF - PHX

1 stop8h 26mHawaiian Airlines

Mon 9/158:04 amPHX - GTF

1 stop6h 45mHawaiian Airlines

Deal found 8/15

$348

Fri 9/1910:21 pmGTF - PHX

2 stops14h 29mMultiple Airlines

Mon 9/225:30 amPHX - GTF

1 stop9h 35mMultiple Airlines

Deal found 8/16

$241

Fri 9/510:21 pmGTF - PHX

2 stops14h 29mMultiple Airlines

Sun 9/78:40 pmPHX - GTF

1 stop18h 25mMultiple Airlines

Deal found 8/18

$247

Wed 10/296:09 pmGTF - PHX

1 stop5h 29mDelta

Mon 11/106:15 pmPHX - GTF

1 stop4h 36mDelta

Deal found 8/16

$318

Fri 9/1210:21 pmGTF - PHX

1 stop25h 28mMultiple Airlines

Fri 9/196:15 pmPHX - GTF

1 stop20h 34mMultiple Airlines

Deal found 8/15

$289

Last-minute flights from Great Falls to Sky Harbor Intl
Discover last-minute flight deals from Great Falls to Sky Harbor Intl. Data last updated August 18, 2025 and is based on user searches.

Mon 9/16:07 pmGTF - PHX

1 stop6h 58mMultiple Airlines

Fri 9/58:15 amPHX - GTF

1 stop12h 16mMultiple Airlines

Deal found 8/16

$356

Fri 9/510:21 pmGTF - PHX

1 stop19h 11mMultiple Airlines

Mon 9/85:45 amPHX - GTF

1 stop9h 20mMultiple Airlines

Deal found 8/18

$230

Fri 9/510:21 pmGTF - PHX

2 stops14h 29mMultiple Airlines

Sun 9/78:40 pmPHX - GTF

1 stop18h 25mMultiple Airlines

Deal found 8/18

$247

Sat 9/611:43 amGTF - PHX

1 stop5h 32mDelta

Mon 9/86:10 amPHX - GTF

1 stop3h 53mDelta

Deal found 8/15

$318

Thu 9/114:29 pmGTF - PHX

1 stop8h 26mHawaiian Airlines

Mon 9/158:04 amPHX - GTF

1 stop6h 45mHawaiian Airlines

Deal found 8/15

$348

Fri 9/1210:21 pmGTF - PHX

1 stop25h 28mMultiple Airlines

Fri 9/196:15 pmPHX - GTF

1 stop20h 34mMultiple Airlines

Deal found 8/15

$289

Fri 9/1910:21 pmGTF - PHX

2 stops14h 29mMultiple Airlines

Mon 9/225:30 amPHX - GTF

1 stop9h 35mMultiple Airlines

Deal found 8/16

$241

Fri 9/194:29 pmGTF - PHX

1 stop8h 26mHawaiian Airlines

Mon 9/227:00 amPHX - GTF

1 stop7h 49mHawaiian Airlines

Deal found 8/16

$368

Thu 9/254:29 pmGTF - PHX

1 stop8h 02mMultiple Airlines

Mon 9/296:05 amPHX - GTF

1 stop8h 44mMultiple Airlines

Deal found 8/16

$363

One-way flights from Great Falls to Sky Harbor Intl
Search for one-way flight options from Great Falls to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Tue 10/146:09 pmGTF - PHX

1 stop6h 29mDelta

Deal found 8/18

$138

Tue 10/146:15 pmGTF - PHX

2 stops29h 24mAlaska Airlines

Deal found 8/18

$196

Wed 10/156:15 pmGTF - PHX

1 stop6h 25mHawaiian Airlines

Deal found 8/18

$205

Wed 10/156:15 pmGTF - PHX

2 stops16h 29mAlaska Airlines

Deal found 8/18

$258

Sun 9/144:29 pmGTF - PHX

1 stop8h 26mHawaiian Airlines

Deal found 8/18

$292

Tue 10/146:15 pmGTF - PHX

3 stops28h 03mMultiple Airlines

Deal found 8/18

$312

Sun 9/144:29 pmGTF - PHX

2 stops27h 48mAlaska Airlines

Deal found 8/18

$313

Wed 10/156:15 pmGTF - PHX

3 stops28h 03mMultiple Airlines

Deal found 8/18

$335

Sat 8/232:35 pmGTF - PHX

1 stop6h 42mUnited Airlines

Deal found 8/16

$409

Sun 9/144:29 pmGTF - PHX

3 stops20h 53mMultiple Airlines

Deal found 8/18

$461

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 9/5

10:21 pm-4:32 pm

1 stop19h 11m

Phoenix Sky Harbor Intl

Mon 9/8

5:45 am-4:05 pm

1 stop9h 20m

$230

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 9/19

10:21 pm-11:50 am

2 stops14h 29m

Phoenix Sky Harbor Intl

Mon 9/22

5:30 am-4:05 pm

1 stop9h 35m

$241

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 9/5

10:21 pm-11:50 am

2 stops14h 29m

Phoenix Sky Harbor Intl

Sun 9/7

8:40 pm-4:05 pm

1 stop18h 25m

$247

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Fri 9/12

10:21 pm-10:49 pm

1 stop25h 28m

Phoenix Sky Harbor Intl

Fri 9/19

6:15 pm-3:49 pm

1 stop20h 34m

$289

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Sat 9/6

11:43 am-4:15 pm

1 stop5h 32m

Phoenix Sky Harbor Intl

Mon 9/8

6:10 am-11:03 am

1 stop3h 53m

$318

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

6:15 pm-10:51 pm

1 stop4h 36m

$318

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Thu 9/11

4:29 pm-11:55 pm

1 stop8h 26m

Phoenix Sky Harbor Intl

Mon 9/15

8:04 am-3:49 pm

1 stop6h 45m

$348

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 10/14

6:09 pm-11:38 pm

1 stop6h 29m

$138

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Tue 10/14

6:15 pm-10:39 pm

2 stops29h 24m

$196

Great FallsPhoenix

GTF - PHX

GTFPHX

Great Falls

Wed 10/15

6:15 pm-11:40 pm

1 stop6h 25m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 18 results

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?

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.

Reviews of airlines servicing Sky Harbor Intl

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

7,981 reviews

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

7,981 reviews

Delta

8.0

Very good

7,981 reviews

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

8,925 reviews

Delta

8.0

Very good

7,981 reviews

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

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.
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 50% 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 Delta, which is currently one of the cheapest options available, starting at $138. Alaska Airlines flights start at $196 while deals on Hawaiian Airlines start at $205 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, 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

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Top 2 airlines flying from Great Falls to Sky Harbor Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$197	Average$409	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$320	Average$438	FlexibilityNo cancel fee	On-time69%

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$138+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheap flight deals from Great Falls to Sky Harbor Intl

Round-trip from

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Find flight deals from Great Falls to Sky Harbor Intl

Cheapest flights from Great Falls to Sky Harbor IntlExplore 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 August 18, 2025.

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 August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to Phoenix Sky Harbor Intl Airport that are best for you.

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.

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?

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 August 18, 2025.

Reviews of airlines servicing Sky Harbor Intl

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.

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?

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

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

Can I find deals for flights from Great Falls to Sky Harbor Intl that include hotel bookings?

How can I 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?

What is the cheapest month to book a flight from Great Falls to Phoenix Sky Harbor Intl Airport?

Traveling to a place near Phoenix Sky Harbor Intl Airport?

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.

Alternative routes for Great Falls to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Great Falls to Sky Harbor Intl

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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 August 18, 2025.