$129 Cheap Frontier Airlines flights San Francisco (SFO) to Philadelphia (PHL)

$129 Cheap Frontier Airlines flights San Francisco (SFO) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $129 for one-way flights and $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 4 - Sat, Sep 6

SFO

San Francisco

PHL

Philadelphia

$250 Roundtrip, found 11 hours ago

$250

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Thu, Sep 4 from San Francisco to Philadelphia, returning Sat, Sep 6, priced at $250 found 11 hours ago

Mon, Jul 21 - Wed, Jul 30

SFO

San Francisco

PHL

Philadelphia

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 21 from San Francisco to Philadelphia, returning Wed, Jul 30, priced at $257 found 1 day ago

Mon, Jul 21 - Mon, Jul 28

SFO

San Francisco

PHL

Philadelphia

$273 Roundtrip, found 1 day ago

$273

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 21 from San Francisco to Philadelphia, returning Mon, Jul 28, priced at $273 found 1 day ago

Thu, Sep 4 - Fri, Sep 5

SFO

San Francisco

PHL

Philadelphia

$275 Roundtrip, found 11 hours ago

$275

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Thu, Sep 4 from San Francisco to Philadelphia, returning Fri, Sep 5, priced at $275 found 11 hours ago

Wed, Sep 10 - Mon, Sep 22

SFO

San Francisco

PHL

Philadelphia

$280 Roundtrip, found 3 days ago

$280

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Sep 10 from San Francisco to Philadelphia, returning Mon, Sep 22, priced at $280 found 3 days ago

Tue, Jul 22 - Wed, Jul 23

SFO

San Francisco

PHL

Philadelphia

$318 Roundtrip, found 1 day ago

$318

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 22 from San Francisco to Philadelphia, returning Wed, Jul 23, priced at $318 found 1 day ago