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

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

Prices were available within the past 7 days and start at for one-way flights and $632 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 5 - Wed, Aug 26

SFO

San Francisco

LHR

London

$632 Roundtrip, found 2 days ago

$632

Roundtrip

found 2 days ago

Select United flight, departing Wed, Aug 5 from San Francisco to London, returning Wed, Aug 26, priced at $632 found 2 days ago

Wed, Aug 26 - Wed, Sep 16

SFO

San Francisco

LHR

London

$635 Roundtrip, found 2 days ago

$635

Roundtrip

found 2 days ago

Select United flight, departing Wed, Aug 26 from San Francisco to London, returning Wed, Sep 16, priced at $635 found 2 days ago

Wed, Aug 26 - Tue, Sep 15

SFO

San Francisco

LHR

London

$635 Roundtrip, found 2 days ago

$635

Roundtrip

found 2 days ago

Select United flight, departing Wed, Aug 26 from San Francisco to London, returning Tue, Sep 15, priced at $635 found 2 days ago

Wed, Jul 29 - Thu, Aug 20

SFO

San Francisco

LHR

London

$643 Roundtrip, found 2 days ago

$643

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jul 29 from San Francisco to London, returning Thu, Aug 20, priced at $643 found 2 days ago

Thu, Aug 6 - Wed, Aug 26

SFO

San Francisco

LHR

London

$662 Roundtrip, found 2 days ago

$662

Roundtrip

found 2 days ago

Select United flight, departing Thu, Aug 6 from San Francisco to London, returning Wed, Aug 26, priced at $662 found 2 days ago

Thu, Jul 30 - Thu, Aug 20

SFO

San Francisco

LHR

London

$673 Roundtrip, found 2 days ago

$673

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 30 from San Francisco to London, returning Thu, Aug 20, priced at $673 found 2 days ago

Wed, Aug 26 - Mon, Sep 14

SFO

San Francisco

LHR

London

$676 Roundtrip, found 2 days ago

$676

Roundtrip

found 2 days ago

Select United flight, departing Wed, Aug 26 from San Francisco to London, returning Mon, Sep 14, priced at $676 found 2 days ago

Wed, Jul 29 - Tue, Aug 18

SFO

San Francisco

LHR

London

$694 Roundtrip, found 2 days ago

$694

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jul 29 from San Francisco to London, returning Tue, Aug 18, priced at $694 found 2 days ago

Wed, Aug 26 - Sat, Sep 12

SFO

San Francisco

LHR

London

$697 Roundtrip, found 2 days ago

$697

Roundtrip

found 2 days ago

Select United flight, departing Wed, Aug 26 from San Francisco to London, returning Sat, Sep 12, priced at $697 found 2 days ago

Sat, Aug 8 - Mon, Aug 24

SFO

San Francisco

LHR

London

$719 Roundtrip, found 2 days ago

$719

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 8 from San Francisco to London, returning Mon, Aug 24, priced at $719 found 2 days ago

Fri, Apr 17 - Sat, May 2

SFO

San Francisco

LHR

London

$719 Roundtrip, found 5 days ago

$719

Roundtrip

found 5 days ago

Select United flight, departing Fri, Apr 17 from San Francisco to London, returning Sat, May 2, priced at $719 found 5 days ago

Thu, Jul 30 - Tue, Aug 18

SFO

San Francisco

LHR

London

$723 Roundtrip, found 2 days ago

$723

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 30 from San Francisco to London, returning Tue, Aug 18, priced at $723 found 2 days ago