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

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

Prices were available within the past 7 days and start at for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 31 - Tue, Jun 3

PHL

Philadelphia

SFO

San Francisco

$208 Roundtrip, found 13 hours ago

$208

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sat, May 31 from Philadelphia to San Francisco, returning Tue, Jun 3, priced at $208 found 13 hours ago

Thu, May 29 - Tue, Jun 3

PHL

Philadelphia

SFO

San Francisco

$218 Roundtrip, found 13 hours ago

$218

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, May 29 from Philadelphia to San Francisco, returning Tue, Jun 3, priced at $218 found 13 hours ago

Tue, May 27 - Tue, Jun 3

PHL

Philadelphia

SFO

San Francisco

$227 Roundtrip, found 13 hours ago

$227

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from Philadelphia to San Francisco, returning Tue, Jun 3, priced at $227 found 13 hours ago

Sat, May 31 - Sat, Jun 7

PHL

Philadelphia

SFO

San Francisco

$228 Roundtrip, found 13 hours ago

$228

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sat, May 31 from Philadelphia to San Francisco, returning Sat, Jun 7, priced at $228 found 13 hours ago

Tue, May 27 - Fri, Jun 6

PHL

Philadelphia

SFO

San Francisco

$237 Roundtrip, found 13 hours ago

$237

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from Philadelphia to San Francisco, returning Fri, Jun 6, priced at $237 found 13 hours ago

Thu, May 29 - Sat, Jun 7

PHL

Philadelphia

SFO

San Francisco

$238 Roundtrip, found 13 hours ago

$238

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, May 29 from Philadelphia to San Francisco, returning Sat, Jun 7, priced at $238 found 13 hours ago

Tue, May 27 - Sat, Jun 7

PHL

Philadelphia

SFO

San Francisco

$247 Roundtrip, found 13 hours ago

$247

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from Philadelphia to San Francisco, returning Sat, Jun 7, priced at $247 found 13 hours ago

Thu, May 29 - Sun, Jun 8

PHL

Philadelphia

SFO

San Francisco

$248 Roundtrip, found 13 hours ago

$248

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, May 29 from Philadelphia to San Francisco, returning Sun, Jun 8, priced at $248 found 13 hours ago

Tue, May 27 - Sun, Jun 8

PHL

Philadelphia

SFO

San Francisco

$257 Roundtrip, found 13 hours ago

$257

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from Philadelphia to San Francisco, returning Sun, Jun 8, priced at $257 found 13 hours ago

Mon, May 26 - Tue, Jun 3

PHL

Philadelphia

SFO

San Francisco

$290 Roundtrip, found 13 hours ago

$290

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Mon, May 26 from Philadelphia to San Francisco, returning Tue, Jun 3, priced at $290 found 13 hours ago

Mon, May 26 - Fri, Jun 6

PHL

Philadelphia

SFO

San Francisco

$300 Roundtrip, found 13 hours ago

$300

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Mon, May 26 from Philadelphia to San Francisco, returning Fri, Jun 6, priced at $300 found 13 hours ago

Mon, May 26 - Sat, Jun 7

PHL

Philadelphia

SFO

San Francisco

$310 Roundtrip, found 13 hours ago

$310

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Mon, May 26 from Philadelphia to San Francisco, returning Sat, Jun 7, priced at $310 found 13 hours ago