$105 Cheap Frontier Airlines flights Philadelphia (PHL) to San Diego (SAN)

$105 Cheap Frontier Airlines flights Philadelphia (PHL) to San Diego (SAN)

Prices were available within the past 7 days and start at $105 for one-way flights and $265 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 30 - Tue, Jul 1

PHL

Philadelphia

SAN

San Diego

$265 Roundtrip, found 15 hours ago

$265

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Philadelphia to San Diego, returning Tue, Jul 1, priced at $265 found 15 hours ago

Mon, Jun 30 - Tue, Jul 1

PHL

Philadelphia

SAN

San Diego

$270 Roundtrip, found 15 hours ago

$270

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Philadelphia to San Diego, returning Tue, Jul 1, priced at $270 found 15 hours ago

Mon, Jul 28 - Wed, Jul 30

PHL

Philadelphia

SAN

San Diego

$365 Roundtrip, found 13 hours ago

$365

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Philadelphia to San Diego, returning Wed, Jul 30, priced at $365 found 13 hours ago