London to Philadelphia Flights

Deals as low as $653 right now.
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Best Deals from LHR to PHL

Discover the cheapest current deals from 1,962 recent searches matching your trip
  • $698
    Philadelphia
    4 days in Nov
    Wed
    21
    Sun
    25
  • $700
    Philadelphia
    4 days in Nov & Dec
    Wed
    28
    Sun
    2
  • $653
    Philadelphia
    8 days in Sep
    Fri
    14
    Sat
    22
  • $653
    Philadelphia
    9 days in Sep & Oct
    Sat
    29
    Mon
    8
  • $653
    Philadelphia
    8 days in Oct
    Fri
    12
    Sat
    20
  • $653
    Philadelphia
    7 days in Oct
    Tue
    16
    Tue
    23
  • When to Fly
    Prices range from $684 in October to $1,079 in June
    Details:
    Good deals for this route are priced below 710.0

    The cheapest round trip flights from LHR to PHL for any dates in the next six months were priced from about $700 - $870 and from about $1120 - $1450 (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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