London to Philadelphia Flights

Deals as low as $647 right now.
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Best Deals from LHR to PHL

Discover the cheapest current deals from 1,138 recent searches matching your trip
  • $647
    Philadelphia
    4 days in Sep & Oct
    Fri
    28
    Tue
    2
  • $648
    Philadelphia
    4 days in Nov
    Fri
    2
    Tue
    6
  • $650
    Philadelphia
    5 days in Nov
    Thu
    1
    Tue
    6
  • $647
    Philadelphia
    7 days in Sep & Oct
    Tue
    25
    Tue
    2
  • $647
    Philadelphia
    7 days in Sep & Oct
    Thu
    27
    Thu
    4
  • $647
    Philadelphia
    7 days in Sep & Oct
    Wed
    26
    Wed
    3
  • When to Fly
    Prices range from $675 in October to $1,353 in July
    Details:
    Good deals for this route are priced below 660.0

    The cheapest round trip flights from LHR to PHL for any dates in the next six months were priced from about $660 - $820 and from about $1110 - $1550 (nonstop).

    Fly out on a Monday, return on a Tuesday, save up to $100.

    The best day to depart a roundtrip ticket from London to Philadelphia is Monday, saving $50. The best day to return is Tuesday, saving up to $50.

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