$276 Cheap Frontier Airlines flights Phoenix (PHX) to Islip (ISP)

$276 Cheap Frontier Airlines flights Phoenix (PHX) to Islip (ISP)

Prices were available within the past 7 days and start at $276 for one-way flights and $502 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 25 - Mon, Dec 29

PHX

Phoenix

ISP

Islip

$502 Roundtrip, found 1 day ago

$502

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Phoenix to Islip, returning Mon, Dec 29, priced at $502 found 1 day ago

Sun, Dec 21 - Mon, Dec 29

PHX

Phoenix

ISP

Islip

$552 Roundtrip, found 1 day ago

$552

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from Phoenix to Islip, returning Mon, Dec 29, priced at $552 found 1 day ago

Tue, Dec 23 - Mon, Dec 29

PHX

Phoenix

ISP

Islip

$602 Roundtrip, found 1 day ago

$602

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Phoenix to Islip, returning Mon, Dec 29, priced at $602 found 1 day ago

Tue, Dec 23 - Thu, Dec 25

PHX

Phoenix

ISP

Islip

$652 Roundtrip, found 1 day ago

$652

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Phoenix to Islip, returning Thu, Dec 25, priced at $652 found 1 day ago

Thu, Dec 25 - Sun, Dec 28

PHX

Phoenix

ISP

Islip

$761 Roundtrip, found 1 day ago

$761

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Phoenix to Islip, returning Sun, Dec 28, priced at $761 found 1 day ago

Sun, Dec 21 - Tue, Dec 23

PHX

Phoenix

ISP

Islip

$791 Roundtrip, found 1 day ago

$791

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from Phoenix to Islip, returning Tue, Dec 23, priced at $791 found 1 day ago

Thu, Dec 25 - Fri, Dec 26

PHX

Phoenix

ISP

Islip

$811 Roundtrip, found 1 day ago

$811

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Phoenix to Islip, returning Fri, Dec 26, priced at $811 found 1 day ago

Sat, Dec 20 - Tue, Dec 23

PHX

Phoenix

ISP

Islip

$841 Roundtrip, found 1 day ago

$841

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Dec 20 from Phoenix to Islip, returning Tue, Dec 23, priced at $841 found 1 day ago

Tue, Dec 23 - Sun, Dec 28

PHX

Phoenix

ISP

Islip

$861 Roundtrip, found 1 day ago

$861

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Phoenix to Islip, returning Sun, Dec 28, priced at $861 found 1 day ago

Tue, Dec 23 - Fri, Dec 26

PHX

Phoenix

ISP

Islip

$911 Roundtrip, found 1 day ago

$911

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Phoenix to Islip, returning Fri, Dec 26, priced at $911 found 1 day ago