£661 Cheap British Airways flights from London to Philadelphia (LHR→PHL)

View £661 flight on Tue, 9 Dec 2025Opens in a new window

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British Airways flights from London to Philadelphia (LHR→PHL)

Prices were available within the past 7 days and start at £661 for one-way flights and £478 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 11 Nov - Tue, 25 Nov
LHR
London
PHL
Philadelphia
£478 Return, found 4 days ago
£478
Return
found 4 days ago
Select British Airways flight, departing Tue, 11 Nov from London to Philadelphia, returning Tue, 25 Nov, priced at £478 found 4 days ago
British Airways
Mon, 17 Nov - Wed, 3 Dec
LHR
London
PHL
Philadelphia
£478 Return, found 17 hours ago
£478
Return
found 17 hours ago
Select British Airways flight, departing Mon, 17 Nov from London to Philadelphia, returning Wed, 3 Dec, priced at £478 found 17 hours ago
British Airways
Mon, 29 Sep - Wed, 8 Oct
LHR
London
PHL
Philadelphia
£494 Return, found 4 days ago
£494
Return
found 4 days ago
Select British Airways flight, departing Mon, 29 Sep from London to Philadelphia, returning Wed, 8 Oct, priced at £494 found 4 days ago
Flight from London to Philadelphia route information
Origin airport
Heathrow
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Popular airline
Aer Lingus
Distance
5656 km
Average flight time
2 hours 55 mins
*Available to Expedia members.