$110 Cheap Frontier Airlines flights Philadelphia (PHL) to San Francisco (SFO)

$110 Cheap Frontier Airlines flights Philadelphia (PHL) to San Francisco (SFO)

Prices were available within the past 7 days and start at $110 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 7 - Mon, Apr 13

PHL

Philadelphia

SFO

San Francisco

$235 Roundtrip, found 2 days ago

$235

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Apr 7 from Philadelphia to San Francisco, returning Mon, Apr 13, priced at $235 found 2 days ago

Sat, May 2 - Fri, May 8

PHL

Philadelphia

SFO

San Francisco

$240 Roundtrip, found 5 days ago

$240

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 2 from Philadelphia to San Francisco, returning Fri, May 8, priced at $240 found 5 days ago

Fri, Apr 3 - Mon, Apr 13

PHL

Philadelphia

SFO

San Francisco

$245 Roundtrip, found 2 days ago

$245

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Apr 3 from Philadelphia to San Francisco, returning Mon, Apr 13, priced at $245 found 2 days ago

Sat, May 2 - Sun, May 3

PHL

Philadelphia

SFO

San Francisco

$260 Roundtrip, found 5 days ago

$260

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 2 from Philadelphia to San Francisco, returning Sun, May 3, priced at $260 found 5 days ago

Fri, Apr 3 - Thu, Apr 9

PHL

Philadelphia

SFO

San Francisco

$270 Roundtrip, found 2 days ago

$270

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Apr 3 from Philadelphia to San Francisco, returning Thu, Apr 9, priced at $270 found 2 days ago

Mon, Jun 15 - Fri, Jul 10

PHL

Philadelphia

SFO

San Francisco

$280 Roundtrip, found 3 days ago

$280

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 15 from Philadelphia to San Francisco, returning Fri, Jul 10, priced at $280 found 3 days ago