Portland to London Flights

Deals as low as $1,134 right now.
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Best Deals from PWM to LHR

Discover the cheapest current deals from 24 recent searches matching your trip
  • $1,134
    London
    6 days in Sep
    Sat
    15
    Fri
    21
  • $1,158
    London
    4 days in Oct
    Sun
    14
    Thu
    18
  • $1,611
    London
    14 days in Jul
    Mon
    2
    Mon
    16
  • $1,796
    London
    6 days in Jul
    Sun
    8
    Sat
    14
  • $2,571
    London
    12 days in Jun & Jul
    Fri
    22
    Wed
    4
  • When to Fly
    Prices range from $959 in April to $1,708 in June
    Details:
    Good deals for this route are priced below 1040.0

    The cheapest round trip flights from PWM to LHR for any dates in the next six months were priced from about $1040 - $1310 A few lucky people found prices as low as $845.

    Fly out on a Monday, return on a Wednesday, save up to $170.

    The best day to depart a roundtrip ticket from Portland to London is Monday, saving $110. The best day to return is Wednesday, saving up to $60.

    From:
    Portland (PWM)
        
    To:
    London (LHR)    
        
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