$177 Cheap Frontier Airlines flights Philadelphia (PHL) to St. Thomas (STT)

$177 Cheap Frontier Airlines flights Philadelphia (PHL) to St. Thomas (STT)

Prices were available within the past 7 days and start at $177 for one-way flights and $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 14 - Fri, Jul 18

PHL

Philadelphia

STT

St. Thomas

$182 Roundtrip, found 8 hours ago

$182

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Philadelphia to St. Thomas, returning Fri, Jul 18, priced at $182 found 8 hours ago

Mon, Jul 14 - Mon, Jul 21

PHL

Philadelphia

STT

St. Thomas

$222 Roundtrip, found 8 hours ago

$222

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Philadelphia to St. Thomas, returning Mon, Jul 21, priced at $222 found 8 hours ago

Fri, Jul 11 - Fri, Jul 18

PHL

Philadelphia

STT

St. Thomas

$270 Roundtrip, found 8 hours ago

$270

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Jul 11 from Philadelphia to St. Thomas, returning Fri, Jul 18, priced at $270 found 8 hours ago

Fri, Jul 11 - Thu, Jul 17

PHL

Philadelphia

STT

St. Thomas

$340 Roundtrip, found 8 hours ago

$340

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Jul 11 from Philadelphia to St. Thomas, returning Thu, Jul 17, priced at $340 found 8 hours ago