$643 Cheap Frontier Airlines flights Milwaukee (MKE) to Islip (ISP)

$643 Cheap Frontier Airlines flights Milwaukee (MKE) to Islip (ISP)

Prices were available within the past 7 days and start at $643 for one-way flights and $760 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 26 - Sun, Nov 30

MKE

Milwaukee

ISP

Islip

$760 Roundtrip, found 1 day ago

$760

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Nov 26 from Milwaukee to Islip, returning Sun, Nov 30, priced at $760 found 1 day ago

Sun, Nov 23 - Sun, Nov 30

MKE

Milwaukee

ISP

Islip

$790 Roundtrip, found 1 day ago

$790

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Nov 23 from Milwaukee to Islip, returning Sun, Nov 30, priced at $790 found 1 day ago