$92+ Cheap flights from Great Falls (GTF) to Phoenix-Mesa Gateway (AZA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — AZA
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Great Falls to Phoenix-Mesa GatewayExplore the most affordable flight options available from Great Falls to Phoenix-Mesa Gateway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Great Falls to Phoenix-Mesa Gateway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:32 am -
Nonstop2h 41m
Thu 1/76:10 am -
Nonstop2h 47m
Deal found 9/23![Allegiant Air logo]()
$92
This CheapOair deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:51 am -
Nonstop2h 33m
Thu 10/295:30 am -
Nonstop2h 31m
Deal found 9/22![Allegiant Air logo]()
$118
This CheapOair deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:51 am -
Nonstop2h 33m
Sun 11/16:00 am -
Nonstop2h 32m
Deal found 9/21![Allegiant Air logo]()
$121
This CheapOair deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:22 am -
Nonstop2h 34m
Sun 11/86:00 am -
Nonstop2h 32m
Deal found 9/22![Allegiant Air logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:32 am -
Nonstop2h 41m
Sun 12/138:00 am -
Nonstop2h 42m
Deal found 9/20![Allegiant Air logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:32 am -
Nonstop2h 41m
Sun 12/138:00 am -
Nonstop2h 42m
Deal found 9/20![Allegiant Air logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:51 am -
Nonstop2h 33m
Thu 10/85:30 am -
Nonstop2h 31m
Deal found 9/18![Allegiant Air logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:51 am -
Nonstop2h 33m
Sun 10/255:30 am -
Nonstop2h 31m
Deal found 9/23![Allegiant Air logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:22 am -
Nonstop2h 34m
Thu 11/126:00 am -
Nonstop2h 32m
Deal found 9/23![Allegiant Air logo]()
$160
Best flights from Great Falls to Phoenix-Mesa GatewayDiscover carefully curated flight deals from Great Falls to Phoenix-Mesa Gateway that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Great Falls to Phoenix-Mesa Gateway that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:32 am -
Nonstop2h 41m
Thu 1/76:10 am -
Nonstop2h 47m
Deal found 9/21![Allegiant Air logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:51 am -
Nonstop2h 33m
Sun 11/16:00 am -
Nonstop2h 32m
Deal found 9/19![Allegiant Air logo]()
$118
This CheapOair deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:22 am -
Nonstop2h 34m
Sun 11/86:00 am -
Nonstop2h 32m
Deal found 9/22![Allegiant Air logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:51 am -
Nonstop2h 33m
Thu 10/85:30 am -
Nonstop2h 31m
Deal found 9/18![Allegiant Air logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:40 am -
Nonstop2h 36m
Tue 12/293:26 pm -
Nonstop2h 40m
Deal found 9/20![Allegiant Air logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/311:40 am -
Nonstop2h 36m
Thu 1/76:10 am -
Nonstop2h 47m
Deal found 9/21![Allegiant Air logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:46 pm -
Nonstop2h 36m
Sun 12/278:10 am -
Nonstop2h 40m
Deal found 9/20![Allegiant Air logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:22 am -
Nonstop2h 34m
Sun 11/156:00 am -
Nonstop2h 32m
Deal found 9/23![Allegiant Air logo]()
$339
Last-minute flights from Great Falls to Phoenix-Mesa GatewayDiscover last-minute flight deals from Great Falls to Phoenix-Mesa Gateway. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Phoenix-Mesa Gateway. Data last updated September 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:51 am -
Nonstop2h 33m
Thu 10/85:30 am -
Nonstop2h 31m
Deal found 9/19![Allegiant Air logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:51 am -
Nonstop2h 33m
Sun 10/45:30 am -
Nonstop2h 31m
Deal found 9/19![Allegiant Air logo]()
$254
One-way flights from Great Falls to Phoenix-Mesa GatewaySearch for one-way flight options from Great Falls to Phoenix-Mesa Gateway. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Great Falls to Phoenix-Mesa Gateway. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:15 pm -
3 stops54h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$591
Find 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $92 (Cheapflightsfares) |
Popular in | April |
Cheapest in | August |
Average price | $788 |
Good round-trip deal | $113 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Phoenix-Mesa Gateway that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Great Falls to Phoenix-Mesa Gateway Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Thu 12/10
11:32 am-2:13 pm
Nonstop2h 41m
Phoenix-Mesa Gateway
Thu 1/7
6:10 am-8:57 am
Nonstop2h 47m
$92
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Thu 10/29
9:51 am-11:24 am
Nonstop2h 33m
Phoenix-Mesa Gateway
Sun 11/1
6:00 am-8:32 am
Nonstop2h 32m
$118
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Sun 11/1
9:22 am-11:56 am
Nonstop2h 34m
Phoenix-Mesa Gateway
Sun 11/8
6:00 am-8:32 am
Nonstop2h 32m
$137
Quickest round-trip
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Sun 10/4
9:51 am-11:24 am
Nonstop2h 33m
Phoenix-Mesa Gateway
Thu 10/8
5:30 am-9:01 am
Nonstop2h 31m
$147
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Thu 12/24
11:40 am-2:16 pm
Nonstop2h 36m
Phoenix-Mesa Gateway
Tue 12/29
3:26 pm-6:06 pm
Nonstop2h 40m
$223
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Sun 1/3
11:40 am-2:16 pm
Nonstop2h 36m
Phoenix-Mesa Gateway
Thu 1/7
6:10 am-8:57 am
Nonstop2h 47m
$227
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Tue 12/22
6:46 pm-9:22 pm
Nonstop2h 36m
Phoenix-Mesa Gateway
Sun 12/27
8:10 am-10:50 am
Nonstop2h 40m
$245
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Thu 11/5
9:22 am-11:56 am
Nonstop2h 34m
Phoenix-Mesa Gateway
Sun 11/15
6:00 am-8:32 am
Nonstop2h 32m
$339
Great FallsPhoenix
GTF Great Falls - AZA Phoenix-Mesa Gateway
GTFAZA
Great Falls
Fri 10/30
5:15 pm-11:02 pm
3 stops54h 47m
Phoenix-Mesa Gateway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$591
Sorted by cheapest first
Compare providers for flights from Great Falls to Phoenix-Mesa Gateway
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Phoenix-Mesa Gateway in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-Phoenix-Mesa Gateway Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Phoenix-Mesa Gateway Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Phoenix-Mesa Gateway Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Phoenix-Mesa Gateway Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Phoenix-Mesa Gateway Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
GTF-AZA
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
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 23, 2026.
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.
Entertainment
5.5
Comfort
6.9
Crew
8.1
Overall
7.3
Food
5.8
Boarding
7.7
Reviews
1 / 20
2.0
MediocreNic,Aug 2026
SRQ - ALB
Entertainment
5.5
Comfort
6.9
Crew
8.1
Overall
7.3
Food
5.8
Boarding
7.7
Reviews
1 / 20
2.0
MediocreNic,Aug 2026
SRQ - ALB
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for Great Falls to Phoenix-Mesa Gateway
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Complete your trip
Complete your trip to Phoenix-Mesa Gateway by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Great Falls to Phoenix-Mesa Gateway by cabin class
Find flights from Great Falls to Phoenix-Mesa Gateway, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Great Falls and Phoenix-Mesa Gateway flights
Browse other Great Falls and Phoenix-Mesa Gateway flight options. Last updated on September 23, 2026.
Other flights from Great Falls
Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Other flights to Phoenix-Mesa Gateway
Explore flights to Phoenix-Mesa Gateway departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$136 | FlexibilityNo cancel fee | On-time88% |