$159 Cheap United flights Philadelphia (PHL) to San Francisco (SFO)

$159 Cheap United flights Philadelphia (PHL) to San Francisco (SFO)

Prices were available within the past 7 days and start at $159 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 12 - Mon, Sep 15

PHL

Philadelphia

SFO

San Francisco

$289 Roundtrip, found 3 days ago

$289

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 12 from Philadelphia to San Francisco, returning Mon, Sep 15, priced at $289 found 3 days ago

Fri, Sep 12 - Mon, Sep 15

PHL

Philadelphia

SFO

San Francisco

$299 Roundtrip, found 3 days ago

$299

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 12 from Philadelphia to San Francisco, returning Mon, Sep 15, priced at $299 found 3 days ago

Fri, Sep 12 - Mon, Sep 15

PHL

Philadelphia

SFO

San Francisco

$302 Roundtrip, found 3 days ago

$302

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 12 from Philadelphia to San Francisco, returning Mon, Sep 15, priced at $302 found 3 days ago

Fri, Sep 12 - Mon, Sep 15

PHL

Philadelphia

SFO

San Francisco

$316 Roundtrip, found 3 days ago

$316

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 12 from Philadelphia to San Francisco, returning Mon, Sep 15, priced at $316 found 3 days ago

Fri, Sep 12 - Mon, Sep 15

PHL

Philadelphia

SFO

San Francisco

$319 Roundtrip, found 3 days ago

$319

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 12 from Philadelphia to San Francisco, returning Mon, Sep 15, priced at $319 found 3 days ago

Sat, Sep 6 - Sat, Sep 13

PHL

Philadelphia

SFO

San Francisco

$321 Roundtrip, found 21 hours ago

$321

Roundtrip

found 21 hours ago

Select United flight, departing Sat, Sep 6 from Philadelphia to San Francisco, returning Sat, Sep 13, priced at $321 found 21 hours ago