A spacious airport terminal with clear signage for gates, a nursing room, and an animal relief area.

$237 Cheap Flights from Great Falls (GTF) to Phoenix (PHX)

View $237 flight on Tue, Sep 29, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $237 for one-way flights and $431 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Oct 26 - Wed, Nov 11
GTF
Great Falls
PHX
Phoenix
$431 Roundtrip, found 4 days ago
$431
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Oct 26 from Great Falls to Phoenix, returning Wed, Nov 11, priced at $431 found 4 days ago
Delta
Fri, Oct 30 - Tue, Nov 3
GTF
Great Falls
PHX
Phoenix
$465 Roundtrip, found 13 hours ago
$465
Roundtrip
found 13 hours ago
Select Delta flight, departing Fri, Oct 30 from Great Falls to Phoenix, returning Tue, Nov 3, priced at $465 found 13 hours ago
United
Wed, Sep 23 - Tue, Sep 29
GTF
Great Falls
PHX
Phoenix
$474 Roundtrip, found 13 hours ago
$474
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Sep 23 from Great Falls to Phoenix, returning Tue, Sep 29, priced at $474 found 13 hours ago

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $714
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $714

What you need to know for your flight from Great Falls Intl. to Sky Harbor Intl.

Great Falls (GTF) to Phoenix (PHX) at a glance

Travel to Phoenix (PHX) from Great Falls (GTF) with a selection of airlines offering convenient one-way flights. Compare various options among full-service carriers to identify the best itinerary that suits your budget, schedule, and travel needs. As you prepare to explore the vibrant sights and neighborhoods of Phoenix, gather all the essential information for flights from Great Falls International Airport (GTF) to Sky Harbor International Airport (PHX).

  • Fastest flight duration: around 3h 30m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,000 miles (1,610 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $135–$515, depending on seasonality and how far ahead you book

Flights from Great Falls International Airport (GTF) to Sky Harbor International Airport (PHX)

According to recent traveler bookings, here are the top airlines favored for flights from Great Falls to Phoenix, particularly for one-stop and multi-stop journeys. Common layover spots include Salt Lake City International Airport (SLC) with approximately a 1h 15m layover, Denver International Airport (DEN) also around 1h 15m, and Seattle-Tacoma International Airport (SEA) with a layover of about 1h 30m. This variety allows you to adjust your choices based on price, total travel time, and cabin class to create the ideal itinerary.

  • Delta: This full-service airline provides both one-stop and multi-stop options, with one-way ticket prices generally falling between $135 and $550. Delta represents about 62% of departures on this route, with an average in-flight duration of 3 hours and 30 minutes, leading to a total travel time of approximately 5 hours and 15 minutes.
  • United: As a full-service carrier, United offers one-stop flights with one-way fares typically ranging from $140 to $550. They account for around 31% of departures on this route, featuring a flight time of 3 hours and 30 minutes, while the overall journey takes about 5 hours and 15 minutes, including layover time.
  • Alaska Airlines: Another full-service option, Alaska Airlines provides one-stop services with one-way ticket costs usually between $135 and $350. This airline covers roughly 6% of departures on this route, with an in-flight duration of 3 hours and 30 minutes and a total travel time of around 5 hours and 15 minutes, factoring in the layover.

Travelers flying from Great Falls to Phoenix have the option to enhance their experience with an upgrade. Delta provides both first class and premium economy class service on this route.

Best time to fly from Great Falls (GTF) to Phoenix (PHX)

The most popular months for travelers flying from Great Falls to Phoenix are February, March, and April, when peak temperatures in Phoenix reach up to 74.5°F in April. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 65.5°F. For better deals, May usually offers the lowest average one-way fare around $246. Flight availability peaks in June, with approximately 11 flights per week, making it easier to find convenient departure times. January and July have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $246, roughly 20% cheaper than the yearly average.
  • Another budget-friendly time to fly: November typically offers an average one-way fare of around $257.
  • Most flight options: June has the highest number of flights from Great Falls to Phoenix, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January55.4°F (13.0°C)Average7$308
February58.6°F (14.8°C)High8$301
March66.0°F (18.9°C)High9$284
April74.5°F (23.6°C)High9$309
May82.0°F (27.8°C)Average10$246
June92.3°F (33.5°C)Low11$348
July95.7°F (35.4°C)Low7$364
August94.8°F (34.9°C)Average8$280
September89.8°F (32.1°C)Average8$318
October77.7°F (25.4°C)Average10$363
November65.5°F (18.6°C)Low8$257
December55.4°F (13.0°C)Average8$348

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Great Falls (GTF) to Phoenix (PHX)

  • Great Falls to Scottsdale (GTF-SCF): Scottsdale Airport (SCF) is approximately 14 miles from Sky Harbor International Airport (PHX).
  • Great Falls to Mesa (GTF-AZA): Phoenix - Mesa Gateway Airport (AZA) is located roughly 22 miles from Sky Harbor International Airport (PHX).
  • Great Falls to Prescott (GTF-PRC): Prescott Municipal Airport (PRC) lies about 87 miles away from Sky Harbor International Airport (PHX).

How to find the best prices for flights from Great Falls (GTF) to Phoenix (PHX)

Getting some of the best deals on flights from Great Falls to Phoenix is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers book between two to eight weeks ahead. Afternoon departures (12 PM to 6 PM) tend to be cheaper, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Tuesday generally offers lower prices, but Wednesday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sky Harbor International Airport from Great Falls International Airport

Phoenix welcomes travelers from Great Falls with a range of transport options based on price, convenience, and proximity. Here's how to reach Phoenix efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Phoenix, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Sky Harbor International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sky Harbor International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sky Harbor International Airport, both Terminal 3 Station, a metro station, and Phoenix Airport Bus Stop, a bus station, are conveniently located within walking distance; Terminal 3 Station is about 0.1 miles from the airport, while the bus stop is approximately 0.2 miles away on foot.

Frequently asked questions

How much does a flight from Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $237 and cheap return flights from $431 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights generally range between $172 and $1149, and roundtrip flights usually range from $420 to $1348. 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
November is the cheapest month to fly from Great Falls (GTF) to Phoenix (PHX), with average round-trip fares around $409. This is about 19% lower than the average price throughout the year, as November typically sees lower travel demand. Other budget-friendly months include January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Enter GTF to PHX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Great Falls (GTF) to Phoenix (PHX), with round-trip tickets starting from around $322. 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
For your journey from Great Falls (GTF) to Phoenix (PHX), November and January are the best months to fly. November offers an average price of around $409, while January is also a popular choice. These months balance cost and convenience, ensuring a smooth travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Great Falls International Airport (GTF) to Phoenix Sky Harbor International Airport (PHX) usually leaves at about 5:20 AM, operated by Delta. This early flight allows you to maximize your time in Phoenix. 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Great Falls, MT (GTF) to Phoenix, AZ (PHX) are in the early afternoon, from 12pm to 3pm. About 34% of passengers prefer this time window. Many major carriers, including Delta Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to travel during the day and arrive in Phoenix in the afternoon.
How long does it take to fly from Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A flight from GTF to PHX with a layover takes around 5 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
First class seats are offered on the GTF to PHX route with Delta Air Lines and United Airlines.
How do I earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Phoenix from Great Falls Intl. (GTF)?
If you're planning to travel to Phoenix from Great Falls Intl. (GTF), you can fly into Sky Harbor Intl. (PHX) Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA) before reaching Phoenix. 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages 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 Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Great Falls, MT (GTF-Great Falls Intl.) to Phoenix, AZ (PHX-Sky Harbor 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
Great Falls Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$430
Distance
971 mi

Book with confidence

Great Falls to Phoenix Flights

The cheapest times to fly from Great Falls to Phoenix

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 Great Falls to Phoenix are during the month of October. You can find some of the cheapest flights from Great Falls to Phoenix with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Great Falls to Phoenix: 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 Great Falls to Phoenix

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 Great Falls to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from $237 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 Great Falls to Phoenix 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 Great Falls to Phoenix 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.

 

Great Falls to Phoenix Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia