$135 Cheap Flights from Phoenix (PHX) to Great Falls (GTF)

View $135 flight on Fri, Jan 9, 2026Opens 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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Cheap Flights from Phoenix to Great Falls (PHX-GTF)

Prices were available within the past 7 days and start at $135 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jan 7 - Sat, Jan 10
PHX
Phoenix
GTF
Great Falls
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 7 from Phoenix to Great Falls, returning Sat, Jan 10, priced at $241 found 2 days ago
Delta
Sun, Jan 11 - Mon, Jan 12
PHX
Phoenix
GTF
Great Falls
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Jan 11 from Phoenix to Great Falls, returning Mon, Jan 12, priced at $269 found 2 days ago
Hawaiian Airlines
Wed, Oct 22 - Tue, Oct 28
PHX
Phoenix
GTF
Great Falls
$270 Roundtrip, found 6 days ago
$270
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Phoenix to Great Falls, returning Tue, Oct 28, priced at $270 found 6 days ago
Delta
Wed, Oct 22 - Tue, Nov 4
PHX
Phoenix
GTF
Great Falls
$271 Roundtrip, found 6 days ago
$271
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 22 from Phoenix to Great Falls, returning Tue, Nov 4, priced at $271 found 6 days ago
Delta
Tue, Jan 6 - Sat, Jan 10
PHX
Phoenix
GTF
Great Falls
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jan 6 from Phoenix to Great Falls, returning Sat, Jan 10, priced at $283 found 2 days ago
Delta
Wed, Jan 7 - Sun, Jan 11
PHX
Phoenix
GTF
Great Falls
$290 Roundtrip, found 2 days ago
$290
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 7 from Phoenix to Great Falls, returning Sun, Jan 11, priced at $290 found 2 days ago
Delta
Wed, Oct 22 - Wed, Nov 5
PHX
Phoenix
GTF
Great Falls
$291 Roundtrip, found 6 days ago
$291
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 22 from Phoenix to Great Falls, returning Wed, Nov 5, priced at $291 found 6 days ago
Delta
Wed, Oct 22 - Sat, Oct 25
PHX
Phoenix
GTF
Great Falls
$293 Roundtrip, found 6 days ago
$293
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 22 from Phoenix to Great Falls, returning Sat, Oct 25, priced at $293 found 6 days ago
Alaska Airlines
Sat, Oct 18 - Wed, Oct 22
PHX
Phoenix
GTF
Great Falls
$338 Roundtrip, found 4 days ago
$338
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Oct 18 from Phoenix to Great Falls, returning Wed, Oct 22, priced at $338 found 4 days ago
United
Sat, Oct 18 - Wed, Oct 22
PHX
Phoenix
GTF
Great Falls
$338 Roundtrip, found 4 days ago
$338
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 18 from Phoenix to Great Falls, returning Wed, Oct 22, priced at $338 found 4 days ago

Find the cheapest month to fly from Phoenix (PHX) to Great Falls (GTF)

February is typically the cheapest month to fly

From $250 - $785 per traveler.

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF) cost?
Snag a cheap one-way flight from $135 or cheap return flight from $241 from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF)?
The cheapest month to fly from PHX to GTF is January, when demand is low. Off-peak season is usually when you'll find cheap fares for travel between these airports.
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 Sky Harbor Intl. Airport (PHX) to Great Falls Intl. Airport (GTF)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHX to GTF flight.
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.

Travel information

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$241
Distance
971 mi

Book with confidence

Book with confidence

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 January. 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 $135 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.

 

Phoenix to Great Falls Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.