Search flights from London (LON) to Philadelphia (PHL)

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Cheapest flights to Philadelphia

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from London to Philadelphia: things to know

The most popular route is from London Heathrow Airport in London to Philadelphia International Airport in Philadelphia. On average this flight takes 8 hours 33 minutes one way and costs US$1,311 for the round trip.

Most popular route
London Heathrow Airport (LHR) to Philadelphia International Airport (PHL)
Average flight time
8 hours 33 minutes
Average round-trip price
US$1,311
Fly from London to Philadelphia
11 airlines

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Airlines that fly from London to Philadelphia

Airline options may vary according to recently booked flights and your search terms

  • American Airlines
  • British Airways
  • Aer Lingus
  • Finnair
  • JetBlue
  • Iberia
  • Air Canada
  • Lufthansa
  • United Airlines
  • Icelandair

Frequently asked questions

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Flights to Philadelphia International Airport

Jet into this airport to explore Philadelphia at your leisure.

Flights to Trenton-Mercer Airport

Jet into this airport to explore Philadelphia at your leisure.

Hotels in Philadelphia

A popular choice with visitors to the United States.

Flights from the United Kingdom to the United States

More options to fly to the United States.

Flights from London to the United States

Plan your next getaway from London.

Flights to Pennsylvania

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Flights to Philadelphia Metropolitan Area

Reaching Philadelphia Metropolitan Area just got easier!
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