$125 Cheap Flights from Phoenix (PHX) to Great Falls (GTF)

View $125 flight on Wed, Apr 1, 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 $125 for one-way flights and $252 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Apr 2 - Sat, Apr 18
PHX
Phoenix
GTF
Great Falls
$252 Roundtrip, found 6 days ago
$252
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Apr 2 from Phoenix to Great Falls, returning Sat, Apr 18, priced at $252 found 6 days ago
Alaska Airlines
Wed, Apr 1 - Tue, Apr 7
PHX
Phoenix
GTF
Great Falls
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Apr 1 from Phoenix to Great Falls, returning Tue, Apr 7, priced at $266 found 2 days ago
Alaska Airlines
Tue, Apr 21 - Fri, Apr 24
PHX
Phoenix
GTF
Great Falls
$268 Roundtrip, found 3 days ago
$268
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Apr 21 from Phoenix to Great Falls, returning Fri, Apr 24, priced at $268 found 3 days ago
Alaska Airlines
Thu, Apr 16 - Mon, Apr 20
PHX
Phoenix
GTF
Great Falls
$270 Roundtrip, found 3 days ago
$270
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Apr 16 from Phoenix to Great Falls, returning Mon, Apr 20, priced at $270 found 3 days ago
Alaska Airlines
Sat, May 9 - Fri, May 15
PHX
Phoenix
GTF
Great Falls
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, May 9 from Phoenix to Great Falls, returning Fri, May 15, priced at $271 found 2 days ago
Alaska Airlines
Wed, Apr 1 - Wed, Apr 8
PHX
Phoenix
GTF
Great Falls
$276 Roundtrip, found 4 days ago
$276
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Apr 1 from Phoenix to Great Falls, returning Wed, Apr 8, priced at $276 found 4 days ago
United
Wed, Apr 8 - Sat, Apr 18
PHX
Phoenix
GTF
Great Falls
$282 Roundtrip, found 3 days ago
$282
Roundtrip
found 3 days ago
Select United flight, departing Wed, Apr 8 from Phoenix to Great Falls, returning Sat, Apr 18, priced at $282 found 3 days ago
Hawaiian Airlines
Thu, Mar 26 - Thu, Apr 16
PHX
Phoenix
GTF
Great Falls
$282 Roundtrip, found 6 days ago
$282
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Mar 26 from Phoenix to Great Falls, returning Thu, Apr 16, priced at $282 found 6 days ago
United
Sat, May 9 - Fri, May 15
PHX
Phoenix
GTF
Great Falls
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 9 from Phoenix to Great Falls, returning Fri, May 15, priced at $284 found 2 days ago
Delta
Wed, Apr 1 - Tue, Apr 7
PHX
Phoenix
GTF
Great Falls
$292 Roundtrip, found 2 days ago
$292
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Apr 1 from Phoenix to Great Falls, returning Tue, Apr 7, priced at $292 found 2 days ago

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Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) cost?
You can find cheap one-way flights from $125 and cheap return flights from $252 Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) with Expedia. One-way flights typically cost between $178 and $838, and return flights often range between $412 and $1667. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
The cheapest month to fly from PHX to GTF is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
Enter PHX to GTF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
Alaska Airlines is one of the cheapest airlines offering connecting flights from Phoenix, AZ (PHX) to Great Falls, MT (GTF) with round-trip tickets starting from around $300 with a layover in San Diego Intl. (SAN). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
The earliest flight from Sky Harbor Intl. (PHX) to Great Falls Intl. (GTF) typically departs at around 5:00 AM, operated by United and Delta Airlines. This seasonal service is active in April, allowing you to make the most of your day in Great Falls. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
The most popular departure times for flights from Phoenix (PHX) to Great Falls (GTF) are from 6am to 9am. About 43% of passengers prefer this time window. United Airlines, Delta Airlines, and others offer flights during this period. Many travelers like this timing as it allows them to arrive in Great Falls with a full day ahead of them.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
A flight from PHX to GTF with a layover takes around 6 hours 30 minutes, with the route covering approximately 971 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
First class seats are offered on the PHX to GTF route with Delta Air Lines and United Airlines.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Great Falls from Sky Harbor Intl. (PHX)?
From Sky Harbor Intl. (PHX), you can fly into Great Falls Intl. (GTF) to reach Great Falls. Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Francisco Intl. (SFO), Seattle - Tacoma Intl. (SEA) before reaching Great Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Great Falls, MT (GTF-Great Falls Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$252
Distance
971 mi

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $125 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

*Flight schedules are subject to change.

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