$141 Cheap Frontier Airlines flights Philadelphia (PHL) to San Diego (SAN)

$141 Cheap Frontier Airlines flights Philadelphia (PHL) to San Diego (SAN)

Prices were available within the past 7 days and start at $141 for one-way flights and $282 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 4 - Fri, Jul 10

PHL

Philadelphia

SAN

San Diego

$282 Roundtrip, found 8 hours ago

$282

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Jul 4 from Philadelphia to San Diego, returning Fri, Jul 10, priced at $282 found 8 hours ago

Sat, Jul 4 - Mon, Jul 13

PHL

Philadelphia

SAN

San Diego

$305 Roundtrip, found 8 hours ago

$305

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Jul 4 from Philadelphia to San Diego, returning Mon, Jul 13, priced at $305 found 8 hours ago

Thu, Aug 6 - Fri, Aug 21

PHL

Philadelphia

SAN

San Diego

$311 Roundtrip, found 2 days ago

$311

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Aug 6 from Philadelphia to San Diego, returning Fri, Aug 21, priced at $311 found 2 days ago

Sat, Jul 4 - Wed, Jul 15

PHL

Philadelphia

SAN

San Diego

$317 Roundtrip, found 8 hours ago

$317

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Jul 4 from Philadelphia to San Diego, returning Wed, Jul 15, priced at $317 found 8 hours ago

Thu, Jun 4 - Tue, Jun 9

PHL

Philadelphia

SAN

San Diego

$325 Roundtrip, found 3 days ago

$325

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 4 from Philadelphia to San Diego, returning Tue, Jun 9, priced at $325 found 3 days ago

Thu, Aug 6 - Mon, Aug 24

PHL

Philadelphia

SAN

San Diego

$328 Roundtrip, found 2 days ago

$328

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Aug 6 from Philadelphia to San Diego, returning Mon, Aug 24, priced at $328 found 2 days ago