Cheap Frontier Airlines flights Philadelphia (PHL) to Santiago (STI)

Cheap Frontier Airlines flights Philadelphia (PHL) to Santiago (STI)

Prices were available within the past 7 days and start at for one-way flights and $399 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Fri, Aug 8

PHL

Philadelphia

STI

Santiago de los Caballeros

$399 Roundtrip, found 17 hours ago

$399

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Philadelphia to Santiago de los Caballeros, returning Fri, Aug 8, priced at $399 found 17 hours ago

Tue, Aug 5 - Mon, Aug 11

PHL

Philadelphia

STI

Santiago de los Caballeros

$408 Roundtrip, found 17 hours ago

$408

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Philadelphia to Santiago de los Caballeros, returning Mon, Aug 11, priced at $408 found 17 hours ago

Sun, Aug 3 - Fri, Aug 8

PHL

Philadelphia

STI

Santiago de los Caballeros

$409 Roundtrip, found 17 hours ago

$409

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Philadelphia to Santiago de los Caballeros, returning Fri, Aug 8, priced at $409 found 17 hours ago

Mon, Aug 4 - Fri, Aug 8

PHL

Philadelphia

STI

Santiago de los Caballeros

$414 Roundtrip, found 17 hours ago

$414

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Mon, Aug 4 from Philadelphia to Santiago de los Caballeros, returning Fri, Aug 8, priced at $414 found 17 hours ago

Sun, Aug 3 - Mon, Aug 11

PHL

Philadelphia

STI

Santiago de los Caballeros

$418 Roundtrip, found 17 hours ago

$418

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Philadelphia to Santiago de los Caballeros, returning Mon, Aug 11, priced at $418 found 17 hours ago

Mon, Aug 4 - Mon, Aug 11

PHL

Philadelphia

STI

Santiago de los Caballeros

$423 Roundtrip, found 17 hours ago

$423

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Mon, Aug 4 from Philadelphia to Santiago de los Caballeros, returning Mon, Aug 11, priced at $423 found 17 hours ago