$322 Cheap Frontier Airlines flights Phoenix (PHX) to Islip (ISP)

$322 Cheap Frontier Airlines flights Phoenix (PHX) to Islip (ISP)

Prices were available within the past 7 days and start at $322 for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 9 - Mon, Oct 20

PHX

Phoenix

ISP

Islip

$334 Roundtrip, found 16 hours ago

$334

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Phoenix to Islip, returning Mon, Oct 20, priced at $334 found 16 hours ago

Thu, Oct 9 - Fri, Oct 17

PHX

Phoenix

ISP

Islip

$339 Roundtrip, found 16 hours ago

$339

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Phoenix to Islip, returning Fri, Oct 17, priced at $339 found 16 hours ago

Sun, Oct 12 - Fri, Oct 17

PHX

Phoenix

ISP

Islip

$344 Roundtrip, found 16 hours ago

$344

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Phoenix to Islip, returning Fri, Oct 17, priced at $344 found 16 hours ago

Fri, Oct 10 - Mon, Oct 20

PHX

Phoenix

ISP

Islip

$489 Roundtrip, found 16 hours ago

$489

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Phoenix to Islip, returning Mon, Oct 20, priced at $489 found 16 hours ago

Fri, Oct 10 - Fri, Oct 17

PHX

Phoenix

ISP

Islip

$494 Roundtrip, found 16 hours ago

$494

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Phoenix to Islip, returning Fri, Oct 17, priced at $494 found 16 hours ago

Fri, Oct 10 - Thu, Oct 16

PHX

Phoenix

ISP

Islip

$769 Roundtrip, found 16 hours ago

$769

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Phoenix to Islip, returning Thu, Oct 16, priced at $769 found 16 hours ago