Earn point on your loyalty program!arrow arc left

Cheap flights from Idaho Falls (IDA) 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 Idaho Falls (IDA) to Phoenix (PHX)

How to find the cheapest flight from Idaho Falls (IDA) 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 Idaho Falls (IDA) 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 Idaho Falls (IDA) 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 Idaho Falls to Phoenix in August , September 2026

31 Aug - 14 Sep $ 172.00
IDA
Idaho Falls
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
IDA
Idaho Falls
Pick dates
26 Aug - 01 Sep $ 473.00
IDA
Idaho Falls
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
IDA
Idaho Falls
Pick dates
26 Aug - 01 Sep $ 473.00
IDA
Idaho Falls
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
IDA
Idaho Falls
Pick dates

Last minute flights from Idaho Falls to Phoenix

27 Aug - 31 Aug $ 217.00
IDA
Idaho Falls
Allegiant Air
DIRECT
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
IDA
Idaho Falls
Pick dates
25 Aug - 31 Aug $ 362.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
IDA
Idaho Falls
Pick dates
26 Aug - 31 Aug $ 365.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
PHX
Phoenix
PHX
Phoenix
Allegiant Air
DIRECT
IDA
Idaho Falls
Pick dates

One-way flights to Phoenix from Idaho Falls

12:44 PM - 12:44 PM
Allegiant Air
0 Stops
1h 58m
IDA - PHX
$ 103
Kiwi
Pick dates
6:18 AM - 9:57 AM
Alaska Airlines
1 Stops
7h 44m
IDA - PHX
$ 237
Kiwi
Pick dates
7:00 AM - 9:35 AM
United Airlines
1 Stops
4h 34m
IDA - PHX
$ 369
Kiwi
Pick dates

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