$389 Cheap United flights San Francisco (SFO) to London (LHR)

$389 Cheap United flights San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at $389 for one-way flights and $606 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 3 - Fri, Dec 12

SFO

San Francisco

LHR

London

$606 Roundtrip, found 1 day ago

$606

Roundtrip

found 1 day ago

Select United flight, departing Wed, Dec 3 from San Francisco to London, returning Fri, Dec 12, priced at $606 found 1 day ago

Sat, Dec 6 - Mon, Dec 15

SFO

San Francisco

LHR

London

$610 Roundtrip, found 1 day ago

$610

Roundtrip

found 1 day ago

Select United flight, departing Sat, Dec 6 from San Francisco to London, returning Mon, Dec 15, priced at $610 found 1 day ago

Sat, Dec 6 - Mon, Dec 15

SFO

San Francisco

LHR

London

$616 Roundtrip, found 1 day ago

$616

Roundtrip

found 1 day ago

Select United flight, departing Sat, Dec 6 from San Francisco to London, returning Mon, Dec 15, priced at $616 found 1 day ago

Sat, Dec 6 - Mon, Dec 15

SFO

San Francisco

LHR

London

$620 Roundtrip, found 1 day ago

$620

Roundtrip

found 1 day ago

Select United flight, departing Sat, Dec 6 from San Francisco to London, returning Mon, Dec 15, priced at $620 found 1 day ago

Sun, Mar 22 - Wed, Apr 1

SFO

San Francisco

LHR

London

$630 Roundtrip, found 2 days ago

$630

Roundtrip

found 2 days ago

Select United flight, departing Sun, Mar 22 from San Francisco to London, returning Wed, Apr 1, priced at $630 found 2 days ago

Sat, Dec 6 - Mon, Dec 15

SFO

San Francisco

LHR

London

$635 Roundtrip, found 1 day ago

$635

Roundtrip

found 1 day ago

Select United flight, departing Sat, Dec 6 from San Francisco to London, returning Mon, Dec 15, priced at $635 found 1 day ago

Sat, Dec 6 - Mon, Dec 15

SFO

San Francisco

LHR

London

$639 Roundtrip, found 1 day ago

$639

Roundtrip

found 1 day ago

Select United flight, departing Sat, Dec 6 from San Francisco to London, returning Mon, Dec 15, priced at $639 found 1 day ago

Tue, Dec 23 - Sun, Dec 28

SFO

San Francisco

LHR

London

$1,037 Roundtrip, found 1 day ago

$1,037

Roundtrip

found 1 day ago

Select United flight, departing Tue, Dec 23 from San Francisco to London, returning Sun, Dec 28, priced at $1,037 found 1 day ago