$438 Cheap United flights San Diego (SAN) to London (LHR)

$438 Cheap United flights San Diego (SAN) to London (LHR)

Prices were available within the past 7 days and start at $438 for one-way flights and $668 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 30 - Wed, Jan 21

SAN

San Diego

LHR

London

$668 Roundtrip, found 7 hours ago

$668

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Dec 30 from San Diego to London, returning Wed, Jan 21, priced at $668 found 7 hours ago

Tue, Dec 30 - Tue, Jan 20

SAN

San Diego

LHR

London

$673 Roundtrip, found 7 hours ago

$673

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Dec 30 from San Diego to London, returning Tue, Jan 20, priced at $673 found 7 hours ago

Tue, Oct 21 - Fri, Oct 31

SAN

San Diego

LHR

London

$686 Roundtrip, found 5 days ago

$686

Roundtrip

found 5 days ago

Select United flight, departing Tue, Oct 21 from San Diego to London, returning Fri, Oct 31, priced at $686 found 5 days ago

Sat, Oct 25 - Tue, Nov 4

SAN

San Diego

LHR

London

$691 Roundtrip, found 5 days ago

$691

Roundtrip

found 5 days ago

Select United flight, departing Sat, Oct 25 from San Diego to London, returning Tue, Nov 4, priced at $691 found 5 days ago

Mon, Apr 20 - Mon, May 11

SAN

San Diego

LHR

London

$735 Roundtrip, found 19 hours ago

$735

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Apr 20 from San Diego to London, returning Mon, May 11, priced at $735 found 19 hours ago

Mon, Apr 20 - Mon, May 11

SAN

San Diego

LHR

London

$759 Roundtrip, found 19 hours ago

$759

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Apr 20 from San Diego to London, returning Mon, May 11, priced at $759 found 19 hours ago

Mon, Apr 20 - Mon, May 11

SAN

San Diego

LHR

London

$804 Roundtrip, found 19 hours ago

$804

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Apr 20 from San Diego to London, returning Mon, May 11, priced at $804 found 19 hours ago