£336 Cheap British Airways flights from Philadelphia to London (PHL→LHR)

View £336 flight on Tue, 31 Mar 2026Opens in a new window

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

Prices were available within the past 7 days and start at £336 for one-way flights and £540 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 10 Mar - Thu, 26 Mar
PHL
Philadelphia
LHR
London
£540 Return, found 18 hours ago
£540
Return
found 18 hours ago
Select British Airways flight, departing Tue, 10 Mar from Philadelphia to London, returning Thu, 26 Mar, priced at £540 found 18 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city centre is 52 minutes. Flights from £709
LGW
Gatwick
Average driving time to city centre52 min
Flights from £709
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £1,244
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £1,244

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

October is typically the cheapest month to fly

From £363 - £632 per traveller.
Flight from Philadelphia to London route information
Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, TAP Portugal, United, Virgin Atlantic
Popular airline
Aer Lingus
Distance
5656 km
Average flight time
12 hours 5 mins

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Frequently asked questions

How much is a British Airways flight from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap British Airways return flights from £540 from PHL to LHR. Affordable one-way fares from £336 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHL to LHR with British Airways?
British Airways flights to London tend to be cheaper in the quieter months of January and February. Whether you're searching for a one-way or a return ticket, you could find a better deal then.
Does British Airways fly nonstop from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)?
British Airways offers direct flights from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR), with 7 weekly departures. Just choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct British Airways flights to LHR.
How long does it take to fly from PHL to LHR with British Airways?
It takes around 6h 55m to travel nonstop from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR) with British Airways.
What airports does British Airways fly into in London?
Get on a British Airways flight from Philadelphia Intl. Airport (PHL) to London, and you'll most likely land at Heathrow Airport (LHR). This is the airline's main hub here.
What kind of luggage can I take on a British Airways flight from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)?
On a standard economy flight with British Airways from PHL to LHR, you can bring 1 checked-in bag up to 23 kg (50 lbs) with dimensions no larger than 89 centimetres x 41 centimetres x 74 centimetres in total. For hand luggage, you're permitted 1 cabin bag weighing up to 23 kg (50 lbs) and measuring no more than 56 centimetres x 23 centimetres x 43 centimetres. Size and weight restrictions may vary based on the cabin class you're in and airfare type. To make sure you won't face additional charges at the airport, double-check your British Airways booking or visit the airline's website before loading up your suitcase.
What type of plane does British Airways fly from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)?
British Airways generally operates Airbus A350-1000 planes for journeys from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR). Keep in mind that aircraft type can vary depending on operational needs, so the plane you'll be on might be different on the day.
Can I change or cancel my British Airways flight from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)?
Depending on your fare type, a fee may apply if you cancel or change your booking more than 24 hours after it's been confirmed. To secure flexible plane tickets, select our "No cancel fee" or "Changes included" filter when looking for flights. For more information on cancelling or changing your reservation, go to "Trips," select your flight and tick "Manage Booking."

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