$152 Cheap Flights from Phoenix (PHX) to Great Falls (GTF)

View $152 flight on Tue, Jun 3, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Great Falls, MT (GTF-Great Falls Intl.)

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Find available prices by choosing your travel dates.

Cheap Flights from Phoenix to Great Falls (PHX-GTF)

Prices were available within the past 7 days and start at $152 for one-way flights and $311 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 20 - Wed, May 28
PHX
Phoenix
GTF
Great Falls
$311 Roundtrip, found 4 days ago
$311
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, May 20 from Phoenix to Great Falls, returning Wed, May 28, priced at $311 found 4 days ago
Alaska Airlines
Tue, Jun 3 - Sat, Jun 7
PHX
Phoenix
GTF
Great Falls
$312 Roundtrip, found 3 days ago
$312
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Jun 3 from Phoenix to Great Falls, returning Sat, Jun 7, priced at $312 found 3 days ago
Hawaiian Airlines
Tue, May 13 - Tue, May 20
PHX
Phoenix
GTF
Great Falls
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, May 13 from Phoenix to Great Falls, returning Tue, May 20, priced at $312 found 2 days ago
Delta
Thu, May 22 - Sat, May 31
PHX
Phoenix
GTF
Great Falls
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 22 from Phoenix to Great Falls, returning Sat, May 31, priced at $313 found 2 days ago
Hawaiian Airlines
Tue, Jun 3 - Wed, Jun 11
PHX
Phoenix
GTF
Great Falls
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Jun 3 from Phoenix to Great Falls, returning Wed, Jun 11, priced at $314 found 2 days ago
Delta
Tue, Jun 10 - Tue, Jun 17
PHX
Phoenix
GTF
Great Falls
$315 Roundtrip, found 15 hours ago
$315
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Jun 10 from Phoenix to Great Falls, returning Tue, Jun 17, priced at $315 found 15 hours ago
Delta
Thu, May 22 - Sat, May 31
PHX
Phoenix
GTF
Great Falls
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 22 from Phoenix to Great Falls, returning Sat, May 31, priced at $316 found 2 days ago
Delta
Wed, Jun 4 - Wed, Jun 11
PHX
Phoenix
GTF
Great Falls
$317 Roundtrip, found 6 days ago
$317
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jun 4 from Phoenix to Great Falls, returning Wed, Jun 11, priced at $317 found 6 days ago
Hawaiian Airlines
Tue, Jun 3 - Mon, Jun 16
PHX
Phoenix
GTF
Great Falls
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Jun 3 from Phoenix to Great Falls, returning Mon, Jun 16, priced at $324 found 2 days ago
United
Tue, Jun 10 - Mon, Jun 16
PHX
Phoenix
GTF
Great Falls
$346 Roundtrip, found 5 days ago
$346
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jun 10 from Phoenix to Great Falls, returning Mon, Jun 16, priced at $346 found 5 days ago
Flights from Phoenix (PHX) to Great Falls (GTF)
Origin airport
Sky Harbor Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$301
Distance
971 mi

Phoenix to Great Falls Flights

The cheapest times to fly from Phoenix to Great Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Great Falls are during the month of May. You can find some of the cheapest flights from Phoenix to Great Falls with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Phoenix to Great Falls

Sunday is one of the best days to book for cheap flights from Phoenix to Great Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Phoenix to Great Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $152 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Great Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Great Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF) cost?
Discover the latest flight deals from PHX to GTF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHX to GTF?
The cheapest flights from PHX to GTF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF)?
Although Phoenix, AZ (PHX-Sky Harbor Intl.) doesn’t offer any direct flights to Great Falls Intl. Airport (GTF), other airports have nonstop options. Departing from Phoenix - Mesa Gateway Airport (AZA) will get you to Great Falls without any layovers.
What is the cheapest airline that flies from PHX to GTF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PHX to GTF. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF)?
Nonstop flights from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from PHX to GTF?
Generally you’ll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF)?
Book a flight from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF) last-minute?
Booking your flight from PHX to GTF shortly before your getaway is generally more expensive. However, if you’re flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a PHX to GTF flight and hotel package?
You’ll generally save money by booking a PHX to GTF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. Once you’ve selected your preferred accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF)?
It’s usually possible to cancel or reschedule your PHX to GTF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.