Earn point on your loyalty program!arrow arc left

Cheap flights from Great Falls (GTF) to Phoenix (PHX)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Great Falls (GTF) to Phoenix (PHX)

How to find the cheapest flight from Great Falls (GTF) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Great Falls (GTF) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Great Falls (GTF) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Great Falls to Phoenix in April , May 2026

30 Apr - 14 May $ 104.00
GTF
Great Falls
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
GTF
Great Falls
Pick dates
14 Apr - 07 May $ 678.00
GTF
Great Falls
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
GTF
Great Falls
Pick dates
13 Apr - 09 May $ 678.00
GTF
Great Falls
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
GTF
Great Falls
Pick dates

Last minute flights from Great Falls to Phoenix

26 Apr - 30 Apr $ 152.00
GTF
Great Falls
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
GTF
Great Falls
Pick dates
14 Apr - 30 Apr $ 597.00
GTF
Great Falls
Allegiant Air
1 STOPS
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
GTF
Great Falls
Pick dates
13 Apr - 30 Apr $ 597.00
GTF
Great Falls
Allegiant Air
1 STOPS
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
GTF
Great Falls
Pick dates

One-way flights to Phoenix from Great Falls

9:26 PM - 9:26 PM
Allegiant Air
0 Stops
2h 33m
GTF - PHX
$ 54
Kiwi
Pick dates
5:06 PM - 6:59 PM
Alaska Airlines
1 Stops
5h 45m
GTF - PHX
$ 472
Kiwi
Pick dates
2:30 PM - 5:41 PM
United Airlines
1 Stops
5h 15m
GTF - PHX
$ 473
Kiwi
Pick dates

How to find the cheapest flight from Great Falls (GTF) to Phoenix (PHX)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Great Falls (GTF) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Great Falls (GTF) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.