$74 Cheap Frontier Airlines flights San Juan (SJU) to Islip (ISP)

$74 Cheap Frontier Airlines flights San Juan (SJU) to Islip (ISP)

Prices were available within the past 7 days and start at $74 for one-way flights and $153 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 11 - Sun, Jan 18

SJU

San Juan

ISP

Islip

$153 Roundtrip, found 5 days ago

$153

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jan 11 from San Juan to Islip, returning Sun, Jan 18, priced at $153 found 5 days ago

Sun, Jan 11 - Sun, Jan 18

SJU

San Juan

ISP

Islip

$168 Roundtrip, found 5 days ago

$168

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jan 11 from San Juan to Islip, returning Sun, Jan 18, priced at $168 found 5 days ago

Sun, Jan 11 - Sun, Jan 18

SJU

San Juan

ISP

Islip

$201 Roundtrip, found 5 days ago

$201

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jan 11 from San Juan to Islip, returning Sun, Jan 18, priced at $201 found 5 days ago

Sun, Jan 11 - Sun, Jan 18

SJU

San Juan

ISP

Islip

$216 Roundtrip, found 5 days ago

$216

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jan 11 from San Juan to Islip, returning Sun, Jan 18, priced at $216 found 5 days ago

Sun, Jan 11 - Sun, Jan 18

SJU

San Juan

ISP

Islip

$226 Roundtrip, found 5 days ago

$226

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jan 11 from San Juan to Islip, returning Sun, Jan 18, priced at $226 found 5 days ago

Sun, Jan 11 - Sun, Jan 18

SJU

San Juan

ISP

Islip

$231 Roundtrip, found 5 days ago

$231

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jan 11 from San Juan to Islip, returning Sun, Jan 18, priced at $231 found 5 days ago