$524 Cheap United flights San Francisco (SFO) to London (LHR)

$524 Cheap United flights San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at $524 for one-way flights and $850 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 3 - Tue, May 19

SFO

San Francisco

LHR

London

$850 Roundtrip, found 6 days ago

$850

Roundtrip

found 6 days ago

Select United flight, departing Sun, May 3 from San Francisco to London, returning Tue, May 19, priced at $850 found 6 days ago

Sat, Aug 22 - Wed, Sep 9

SFO

San Francisco

LHR

London

$855 Roundtrip, found 6 days ago

$855

Roundtrip

found 6 days ago

Select United flight, departing Sat, Aug 22 from San Francisco to London, returning Wed, Sep 9, priced at $855 found 6 days ago

Sat, May 2 - Thu, May 21

SFO

San Francisco

LHR

London

$883 Roundtrip, found 6 days ago

$883

Roundtrip

found 6 days ago

Select United flight, departing Sat, May 2 from San Francisco to London, returning Thu, May 21, priced at $883 found 6 days ago

Sat, Jul 25 - Tue, Aug 18

SFO

San Francisco

LHR

London

$891 Roundtrip, found 4 days ago

$891

Roundtrip

found 4 days ago

Select United flight, departing Sat, Jul 25 from San Francisco to London, returning Tue, Aug 18, priced at $891 found 4 days ago