$135 Cheap Frontier Airlines flights Chicago (ORD) to Islip (ISP)

$135 Cheap Frontier Airlines flights Chicago (ORD) to Islip (ISP)

Prices were available within the past 7 days and start at $135 for one-way flights and $178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 11 - Thu, Oct 16

ORD

Chicago

ISP

Islip

$178 Roundtrip, found 20 hours ago

$178

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sat, Oct 11 from Chicago to Islip, returning Thu, Oct 16, priced at $178 found 20 hours ago

Mon, Oct 6 - Thu, Oct 9

ORD

Chicago

ISP

Islip

$194 Roundtrip, found 2 days ago

$194

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Oct 6 from Chicago to Islip, returning Thu, Oct 9, priced at $194 found 2 days ago

Sun, Oct 12 - Thu, Oct 16

ORD

Chicago

ISP

Islip

$218 Roundtrip, found 20 hours ago

$218

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Chicago to Islip, returning Thu, Oct 16, priced at $218 found 20 hours ago

Sat, Oct 11 - Fri, Oct 17

ORD

Chicago

ISP

Islip

$234 Roundtrip, found 20 hours ago

$234

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sat, Oct 11 from Chicago to Islip, returning Fri, Oct 17, priced at $234 found 20 hours ago

Sat, Oct 11 - Sun, Oct 19

ORD

Chicago

ISP

Islip

$250 Roundtrip, found 20 hours ago

$250

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sat, Oct 11 from Chicago to Islip, returning Sun, Oct 19, priced at $250 found 20 hours ago

Mon, Oct 13 - Sun, Oct 19

ORD

Chicago

ISP

Islip

$258 Roundtrip, found 2 days ago

$258

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Oct 13 from Chicago to Islip, returning Sun, Oct 19, priced at $258 found 2 days ago

Sun, Oct 12 - Fri, Oct 17

ORD

Chicago

ISP

Islip

$274 Roundtrip, found 20 hours ago

$274

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Chicago to Islip, returning Fri, Oct 17, priced at $274 found 20 hours ago

Fri, Oct 10 - Thu, Oct 16

ORD

Chicago

ISP

Islip

$282 Roundtrip, found 2 days ago

$282

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Chicago to Islip, returning Thu, Oct 16, priced at $282 found 2 days ago

Sun, Oct 12 - Sun, Oct 19

ORD

Chicago

ISP

Islip

$290 Roundtrip, found 20 hours ago

$290

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Chicago to Islip, returning Sun, Oct 19, priced at $290 found 20 hours ago

Fri, Oct 10 - Sun, Oct 19

ORD

Chicago

ISP

Islip

$322 Roundtrip, found 2 days ago

$322

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Chicago to Islip, returning Sun, Oct 19, priced at $322 found 2 days ago