$508 Cheap United flights Philadelphia (PHL) to London (LHR)

$508 Cheap United flights Philadelphia (PHL) to London (LHR)

Prices were available within the past 7 days and start at $508 for one-way flights and $711 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 17 - Tue, Mar 31

PHL

Philadelphia

LHR

London

$711 Roundtrip, found 9 hours ago

$711

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Mar 17 from Philadelphia to London, returning Tue, Mar 31, priced at $711 found 9 hours ago

Tue, Mar 17 - Wed, Apr 1

PHL

Philadelphia

LHR

London

$726 Roundtrip, found 9 hours ago

$726

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Mar 17 from Philadelphia to London, returning Wed, Apr 1, priced at $726 found 9 hours ago

Tue, Mar 17 - Mon, Mar 30

PHL

Philadelphia

LHR

London

$732 Roundtrip, found 9 hours ago

$732

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Mar 17 from Philadelphia to London, returning Mon, Mar 30, priced at $732 found 9 hours ago

Tue, Mar 17 - Fri, Mar 27

PHL

Philadelphia

LHR

London

$734 Roundtrip, found 9 hours ago

$734

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Mar 17 from Philadelphia to London, returning Fri, Mar 27, priced at $734 found 9 hours ago

Fri, Mar 20 - Sun, Mar 29

PHL

Philadelphia

LHR

London

$811 Roundtrip, found 9 hours ago

$811

Roundtrip

found 9 hours ago

Select United flight, departing Fri, Mar 20 from Philadelphia to London, returning Sun, Mar 29, priced at $811 found 9 hours ago

Fri, Mar 20 - Sun, Mar 29

PHL

Philadelphia

LHR

London

$818 Roundtrip, found 9 hours ago

$818

Roundtrip

found 9 hours ago

Select United flight, departing Fri, Mar 20 from Philadelphia to London, returning Sun, Mar 29, priced at $818 found 9 hours ago

Fri, Mar 20 - Sun, Mar 29

PHL

Philadelphia

LHR

London

$841 Roundtrip, found 9 hours ago

$841

Roundtrip

found 9 hours ago

Select United flight, departing Fri, Mar 20 from Philadelphia to London, returning Sun, Mar 29, priced at $841 found 9 hours ago