$458 Cheap American Airlines flights Philadelphia (PHL) to London (LHR)

View $458 flight on Wed, Feb 18, 2026Opens in a new window

$458 Cheap American Airlines flights Philadelphia (PHL) to London (LHR)

Prices were available within the past 7 days and start at $458 for one-way flights and $702 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$702
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $702 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$705
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $705 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$707
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $707 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$709
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $709 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$711
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $711 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$714
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $714 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$714
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $714 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$715
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $715 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$723
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $723 Found 2 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 17
PHL
Philadelphia
LHR
London
$725
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Wed, Feb 18 from Philadelphia to London, returning Tue, Mar 17, priced at $725 Found 2 days ago
Flights from Philadelphia (PHL) to London (LHR)
Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Distance
5656 km
Average flight time
12 hours 10 mins