Cheap Frontier Airlines flights Islip (ISP) to Houston (IAH)

Cheap Frontier Airlines flights Islip (ISP) to Houston (IAH)

Prices were available within the past 7 days and start at for one-way flights and $516 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 21 - Tue, Nov 24

ISP

Islip

IAH

Houston

$516 Roundtrip, found 1 day ago

$516

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Islip to Houston, returning Tue, Nov 24, priced at $516 found 1 day ago

Thu, Nov 19 - Tue, Nov 24

ISP

Islip

IAH

Houston

$526 Roundtrip, found 1 day ago

$526

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Nov 19 from Islip to Houston, returning Tue, Nov 24, priced at $526 found 1 day ago

Thu, Nov 19 - Sat, Nov 21

ISP

Islip

IAH

Houston

$530 Roundtrip, found 1 day ago

$530

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Nov 19 from Islip to Houston, returning Sat, Nov 21, priced at $530 found 1 day ago

Sat, Nov 21 - Sun, Nov 22

ISP

Islip

IAH

Houston

$582 Roundtrip, found 1 day ago

$582

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Nov 21 from Islip to Houston, returning Sun, Nov 22, priced at $582 found 1 day ago

Fri, Nov 20 - Sat, Nov 21

ISP

Islip

IAH

Houston

$585 Roundtrip, found 1 day ago

$585

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Nov 20 from Islip to Houston, returning Sat, Nov 21, priced at $585 found 1 day ago

Thu, Nov 19 - Sun, Nov 22

ISP

Islip

IAH

Houston

$592 Roundtrip, found 1 day ago

$592

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Nov 19 from Islip to Houston, returning Sun, Nov 22, priced at $592 found 1 day ago

Fri, Nov 20 - Sun, Nov 22

ISP

Islip

IAH

Houston

$629 Roundtrip, found 1 day ago

$629

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Nov 20 from Islip to Houston, returning Sun, Nov 22, priced at $629 found 1 day ago