$458 Cheap United flights Philadelphia (PHL) to London (LHR)

$458 Cheap United flights Philadelphia (PHL) to London (LHR)

Prices were available within the past 7 days and start at $458 for one-way flights and $714 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 18 - Tue, Mar 17

PHL

Philadelphia

LHR

London

$714 Roundtrip, found 1 day ago

$714

Roundtrip

found 1 day ago

Select United flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $714 found 1 day ago

Wed, Feb 18 - Tue, Mar 17

PHL

Philadelphia

LHR

London

$721 Roundtrip, found 1 day ago

$721

Roundtrip

found 1 day ago

Select United flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $721 found 1 day ago