$654 Cheap United flights San Francisco (SFO) to London (LHR)

$654 Cheap United flights San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at $654 for one-way flights and $852 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 2 - Tue, Sep 8

SFO

San Francisco

LHR

London

$852 Roundtrip, found 5 days ago

$852

Roundtrip

found 5 days ago

Select United flight, departing Sun, Aug 2 from San Francisco to London, returning Tue, Sep 8, priced at $852 found 5 days ago

Tue, Sep 1 - Wed, Sep 16

SFO

San Francisco

LHR

London

$857 Roundtrip, found 4 days ago

$857

Roundtrip

found 4 days ago

Select United flight, departing Tue, Sep 1 from San Francisco to London, returning Wed, Sep 16, priced at $857 found 4 days ago

Tue, Sep 1 - Wed, Sep 16

SFO

San Francisco

LHR

London

$868 Roundtrip, found 4 days ago

$868

Roundtrip

found 4 days ago

Select United flight, departing Tue, Sep 1 from San Francisco to London, returning Wed, Sep 16, priced at $868 found 4 days ago

Tue, Sep 1 - Wed, Sep 16

SFO

San Francisco

LHR

London

$872 Roundtrip, found 4 days ago

$872

Roundtrip

found 4 days ago

Select United flight, departing Tue, Sep 1 from San Francisco to London, returning Wed, Sep 16, priced at $872 found 4 days ago

Tue, Oct 20 - Tue, Oct 27

SFO

San Francisco

LHR

London

$881 Roundtrip, found 3 days ago

$881

Roundtrip

found 3 days ago

Select United flight, departing Tue, Oct 20 from San Francisco to London, returning Tue, Oct 27, priced at $881 found 3 days ago