$404 Cheap United flights San Francisco (SFO) to London (LHR)

$404 Cheap United flights San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at $404 for one-way flights and $655 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Oct 5 - Wed, Oct 15

SFO

San Francisco

LHR

London

$655 Roundtrip, found 4 days ago

$655

Roundtrip

found 4 days ago

Select United flight, departing Sun, Oct 5 from San Francisco to London, returning Wed, Oct 15, priced at $655 found 4 days ago

Wed, Oct 8 - Wed, Oct 15

SFO

San Francisco

LHR

London

$659 Roundtrip, found 4 days ago

$659

Roundtrip

found 4 days ago

Select United flight, departing Wed, Oct 8 from San Francisco to London, returning Wed, Oct 15, priced at $659 found 4 days ago

Sun, Oct 5 - Fri, Oct 17

SFO

San Francisco

LHR

London

$661 Roundtrip, found 4 days ago

$661

Roundtrip

found 4 days ago

Select United flight, departing Sun, Oct 5 from San Francisco to London, returning Fri, Oct 17, priced at $661 found 4 days ago

Tue, Feb 10 - Tue, Mar 3

SFO

San Francisco

LHR

London

$662 Roundtrip, found 16 hours ago

$662

Roundtrip

found 16 hours ago

Select United flight, departing Tue, Feb 10 from San Francisco to London, returning Tue, Mar 3, priced at $662 found 16 hours ago

Wed, Oct 8 - Wed, Oct 15

SFO

San Francisco

LHR

London

$663 Roundtrip, found 4 days ago

$663

Roundtrip

found 4 days ago

Select United flight, departing Wed, Oct 8 from San Francisco to London, returning Wed, Oct 15, priced at $663 found 4 days ago

Tue, Feb 10 - Tue, Mar 3

SFO

San Francisco

LHR

London

$667 Roundtrip, found 16 hours ago

$667

Roundtrip

found 16 hours ago

Select United flight, departing Tue, Feb 10 from San Francisco to London, returning Tue, Mar 3, priced at $667 found 16 hours ago