London to Philadelphia Flights

Deals as low as $636 right now.
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Best Deals from LHR to PHL

Discover the cheapest current deals from 722 recent searches matching your trip
  • $662
    Philadelphia
    3 days in Sep
    Sat
    1
    Tue
    4
  • $692
    Philadelphia
    4 days in Aug
    Fri
    24
    Tue
    28
  • $663
    Philadelphia
    7 days in Oct
    Sat
    20
    Sat
    27
  • $664
    Philadelphia
    9 days in Sep
    Wed
    5
    Fri
    14
  • $664
    Philadelphia
    8 days in Sep & Oct
    Mon
    24
    Tue
    2
  • $685
    Philadelphia
    7 days in Oct & Nov
    Sat
    27
    Sat
    3
  • When to Fly
    Prices range from $674 in October to $1,272 in May
    Details:
    Good deals for this route are priced below 730.0

    The cheapest round trip flights from LHR to PHL for any dates in the next six months were priced from about $710 - $940 and from about $1180 - $1270 (nonstop). A few lucky people found prices as low as $660.

    Fly out on a Monday, return on a Monday, save up to $70.

    The best day to depart a roundtrip ticket from London to Philadelphia is Monday, saving $30. The best day to return is Monday, saving up to $40.

    From:
    London (LHR)
        
    To:
    Philadelphia (PHL)    
        
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