$699 Cheap Aer Lingus flights Philadelphia (PHL) to London (LHR)

View $699 flight on Wed, May 20, 2026Opens in a new window

$699 Cheap Aer Lingus flights Philadelphia (PHL) to London (LHR)

Prices were available within the past 7 days and start at $699 for one-way flights and $1,105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, May 20 - Wed, Jun 3
PHL
Philadelphia
LHR
London
$1,105 Roundtrip, found 2 days ago
$1,105
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Wed, May 20 from Philadelphia to London, returning Wed, Jun 3, priced at $1,105 found 2 days ago

Find the cheapest month to fly from Philadelphia (PHL) to London (LHR)

October is typically the cheapest month to fly

From $477 - $830 per traveler.
Flights from Philadelphia (PHL) to London (LHR)
Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Delta, Finnair, Iberia, JetBlue Airways, Lufthansa, United
Popular airline
JetBlue Airways
Distance
5656 km
Average flight time
11 hours 59 mins