London to Philadelphia Flights

Deals as low as $663 right now.
Not ready to book?
Download Hopper to watch.

Best Deals from LGW to PHL

Discover the cheapest current deals from 233 recent searches matching your trip
  • $666
    Philadelphia
    7 days in Nov
    Thu
    15
    Thu
    22
  • $751
    Philadelphia
    7 days in Aug
    Mon
    20
    Mon
    27
  • $663
    Philadelphia
    14 days in Sep
    Tue
    4
    Tue
    18
  • $663
    Philadelphia
    14 days in Sep
    Thu
    6
    Thu
    20
  • $663
    Philadelphia
    10 days in Sep
    Wed
    12
    Sat
    22
  • $663
    Philadelphia
    10 days in Sep
    Thu
    20
    Sun
    30
  • When to Fly
    Prices range from $670 in September to $1,097 in May
    Details:
    Good deals for this route are priced below 710.0

    The cheapest round trip flights from LGW to PHL for any dates in the next six months were priced from about $710 - $920 A few lucky people found prices as low as $660.

    Fly out on a Sunday, return on a Thursday, save up to $100.

    The best day to depart a roundtrip ticket from London to Philadelphia is Sunday, saving $40. The best day to return is Thursday, saving up to $60.

    From:
    London (LGW)
        
    To:
    Philadelphia (PHL)    
        
    Apply Changes