HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phoenix-Mesa Gateway

Cheap flights from Great Falls (GTF) to Phoenix-Mesa Gateway (AZA)

GTF — AZA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Great Falls to Phoenix-Mesa Gateway with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Great Falls to Phoenix-Mesa Gateway

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Phoenix-Mesa Gateway (AZA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Popular in

February

Cheapest in

May

Average price

$334
Highest demand for flights based on searches. 8% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Best time to book a flight from Great Falls to Phoenix-Mesa Gateway

Have a flexible travel schedule? Discover the best time to fly to Phoenix-Mesa Gateway 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-Mesa Gateway Airport

What is the cheapest time of day to fly from GTF to AZA?

Find hourly flight availability from Great Falls to Phoenix-Mesa Gateway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Great Falls to Phoenix-Mesa Gateway Airport in the morning. Doing so could potentially save you 36% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Phoenix-Mesa Gateway

Get insights into the airlines that provide service to Phoenix-Mesa Gateway. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phoenix-Mesa Gateway. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Great Falls to Phoenix-Mesa Gateway Airport, such as Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.2
Good
702 reviews

Boarding

7.6

Entertainment

5.5

Comfort

6.8

Food

5.9

Crew

8.1

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.
Allegiant Air
7.2
Good
702 reviews
Allegiant Air
7.2
Good
702 reviews

Boarding

7.6

Entertainment

5.5

Comfort

6.8

Food

5.9

Crew

8.1

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Phoenix-Mesa Gateway. 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-Mesa Gateway?

    If you book a flight to Phoenix-Mesa Gateway from Great Falls, you will be flying from Great Falls, which is the city’s only airport. Great Falls (GTF) is located 3.5 mi from the center of Great Falls. There are 0 flights from Great Falls to Phoenix-Mesa Gateway per day from 1 airline.

  • What is the cheapest airline to fly from Great Falls to Phoenix-Mesa Gateway Airport round-trip?

    Currently priced at $100, Allegiant Air will fly you from Great Falls to Phoenix-Mesa Gateway Airport and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Allegiant Air is currently priced 55% below the average price you’ll pay for this route.

  • Can I find deals for flights from Great Falls to Phoenix-Mesa Gateway that include hotel bookings?

    Yes. In addition to deals on Great Falls to Phoenix-Mesa Gateway flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Phoenix-Mesa Gateway?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Phoenix-Mesa Gateway.

  • Can I find deals for business class flights from Great Falls to Phoenix-Mesa Gateway?

    Yes. Cheapflights offers flight deals from Great Falls to Phoenix-Mesa Gateway 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-Mesa Gateway Airport?

    Currently, August is the cheapest month in which you can book a flight from Great Falls to Phoenix-Mesa Gateway Airport (average of $144). Flying from Great Falls to Phoenix-Mesa Gateway Airport in March is currently the most expensive (average of $316). 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

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.

Top airline flying from Great Falls to Phoenix-Mesa Gateway

Discover the top airline that operate flights from Great Falls to Phoenix-Mesa Gateway. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$218FlexibilityNo cancel feeOn-time88%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.