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Cheap flights from Islip (ISP) to Phoenix (PHX)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Islip (ISP) to Phoenix (PHX)

How to find the cheapest flight from Islip (ISP) to Phoenix (PHX)
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How to find the cheapest flight from Islip (ISP) to Phoenix (PHX)
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How to find the cheapest flight from Islip (ISP) to Phoenix (PHX)
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Cheap flights from Islip to Phoenix in December 2025 , January 2026

31 Dec - 13 Jan $ 341.00
ISP
Islip
Frontier Airlines
2 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
2 STOPS
ISP
Islip
Pick dates
21 Dec - 08 Jan $ 1,282.00
ISP
Islip
BREEZE
1 STOPS
PHX
Phoenix
PHX
Phoenix
BREEZE
2 STOPS
ISP
Islip
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19 Dec - 08 Jan $ 2,038.00
ISP
Islip
BREEZE
2 STOPS
PHX
Phoenix
PHX
Phoenix
BREEZE
2 STOPS
ISP
Islip
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Last minute flights from Islip to Phoenix

30 Dec - 01 Jan $ 627.00
ISP
Islip
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
2 STOPS
ISP
Islip
Pick dates
30 Dec - 01 Jan $ 671.00
ISP
Islip
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
2 STOPS
ISP
Islip
Pick dates
30 Dec - 01 Jan $ 676.00
ISP
Islip
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
2 STOPS
ISP
Islip
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One-way flights to Phoenix from Islip

5:27 PM - 7:15 AM
Frontier Airlines
2 Stops
18h 5m
ISP - PHX
$ 208
Kiwi
Pick dates
2:19 PM - 9:33 AM
BREEZE
1 Stops
24h 45m
ISP - PHX
$ 727
Kiwi
Pick dates
8:47 PM - 6:23 PM
BREEZE
2 Stops
27h 39m
ISP - PHX
$ 1,484
Kiwi
Pick dates

How to find the cheapest flight from Islip (ISP) to Phoenix (PHX)

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