$226 Cheap Frontier Airlines flights Philadelphia (PHL) to San Diego (SAN)

$226 Cheap Frontier Airlines flights Philadelphia (PHL) to San Diego (SAN)

Prices were available within the past 7 days and start at $226 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 4 - Thu, Jan 8

PHL

Philadelphia

SAN

San Diego

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 4 from Philadelphia to San Diego, returning Thu, Jan 8, priced at $237 found 1 day ago

Thu, Jan 1 - Thu, Jan 8

PHL

Philadelphia

SAN

San Diego

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 1 from Philadelphia to San Diego, returning Thu, Jan 8, priced at $267 found 1 day ago

Sun, Jan 4 - Fri, Jan 9

PHL

Philadelphia

SAN

San Diego

$272 Roundtrip, found 1 day ago

$272

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 4 from Philadelphia to San Diego, returning Fri, Jan 9, priced at $272 found 1 day ago

Thu, Jan 1 - Fri, Jan 9

PHL

Philadelphia

SAN

San Diego

$302 Roundtrip, found 1 day ago

$302

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 1 from Philadelphia to San Diego, returning Fri, Jan 9, priced at $302 found 1 day ago

Wed, Dec 31 - Thu, Jan 8

PHL

Philadelphia

SAN

San Diego

$322 Roundtrip, found 1 day ago

$322

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 31 from Philadelphia to San Diego, returning Thu, Jan 8, priced at $322 found 1 day ago

Thu, Jan 1 - Mon, Jan 5

PHL

Philadelphia

SAN

San Diego

$338 Roundtrip, found 1 day ago

$338

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 1 from Philadelphia to San Diego, returning Mon, Jan 5, priced at $338 found 1 day ago

Wed, Dec 31 - Fri, Jan 9

PHL

Philadelphia

SAN

San Diego

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 31 from Philadelphia to San Diego, returning Fri, Jan 9, priced at $357 found 1 day ago

Wed, Dec 31 - Mon, Jan 5

PHL

Philadelphia

SAN

San Diego

$393 Roundtrip, found 1 day ago

$393

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 31 from Philadelphia to San Diego, returning Mon, Jan 5, priced at $393 found 1 day ago

Thu, Jan 1 - Sat, Jan 3

PHL

Philadelphia

SAN

San Diego

$397 Roundtrip, found 1 day ago

$397

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 1 from Philadelphia to San Diego, returning Sat, Jan 3, priced at $397 found 1 day ago

Mon, Dec 29 - Thu, Jan 8

PHL

Philadelphia

SAN

San Diego

$422 Roundtrip, found 1 day ago

$422

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Philadelphia to San Diego, returning Thu, Jan 8, priced at $422 found 1 day ago