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Flights to Philadelphia from London

Cheap flights from London to Philadelphia from £697. London (United Kingdom) - Philadelphia (United States) return flights from £856. From 01/10/2026 (Thursday) - 07/10/2026 (Wednesday). Check for the dates with the lowest prices and find the cheapest rates.

Round-trip flights from London to Philadelphia

Cheapest round-trip flights from London to Philadelphia

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Direct flights from London to Philadelphia

Book direct flights from London to Philadelphia for a smooth journey.

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Cheap flights from London Heathrow Airport to Philadelphia

Find cheap flights from London Heathrow Airport to Philadelphia now.

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British Airways flights from London to Philadelphia

Fly with British Airways from London to Philadelphia for less.

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Flights to Philadelphia with top airlines

London to Philadelphia flight information

DEPARTING FROM:
LON - All airports, London City Airport, more
ARRIVING IN:
PHL - All airports
AIRLINES:
American Airlines, British Airways
AVG FLIGHT TIME:
11h 13m

More information about flights to Philadelphia from London

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FAQs London to Philadelphia flights

FAQs

  • Can I combine different airlines on the same trip?

    Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

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    In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

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    lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*

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  • How long does a flight take between London and Philadelphia?

    The flight from London to Philadelphia has a duration of 11h 13m.

  • What are the cheapest flights from London to Philadelphia?

    The cheapest one-way flight costs £697 flying with British Airways and the cheapest return flight costs £856 with British Airways.

  • How many airports are there in the city of London?

    London has 4 airport: LON - All airports, London Heathrow Airport, Gatwick, London City Airport.

  • How many airports does Philadelphia have?

    There are 1 airports in Philadelphia: PHL - All airports

  • Which Philadelphia airport is the most central?

    The most central airport is PHL - All airports, 18.4km.

  • Which airlines have flights from London to Philadelphia?

    There are 2 airlines with flights from London to Philadelphia; Those that offer lower prices are British Airways (£941).

  • Schedules of the first and last flight from London to Philadelphia

    The first flight from London to Philadelphia is at 12:10 and the last flight departs at 16:40.