Cheap Frontier Airlines flights Islip (ISP) to Portland (PDX)

Cheap Frontier Airlines flights Islip (ISP) to Portland (PDX)

Prices were available within the past 7 days and start at for one-way flights and $822 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 21 - Thu, Dec 31

ISP

Islip

PDX

Portland

$822 Roundtrip, found 12 hours ago

$822

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Mon, Dec 21 from Islip to Portland, returning Thu, Dec 31, priced at $822 found 12 hours ago