London to Washington D.C. Flights

Deals as low as $634 right now.
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Best Deals from LHR to IAD

Discover the cheapest current deals from 13 recent searches matching your trip
  • $634
    Washington D.C.
    5 days in Nov
    Tue
    6
    Sun
    11
  • $1,030
    Washington D.C.
    5 days in Sep
    Wed
    5
    Mon
    10
  • $739
    Washington D.C.
    8 days in Aug & Sep
    Sun
    26
    Mon
    3
  • $739
    Washington D.C.
    6 days in Aug & Sep
    Thu
    30
    Wed
    5
  • $932
    Washington D.C.
    13 days in Aug
    Wed
    15
    Tue
    28
  • $985
    Washington D.C.
    11 days in Aug
    Sun
    19
    Thu
    30
  • When to Fly
    Prices range from $638 in November to $1,104 in July
    Details:
    Good deals for this route are priced below 760.0

    The cheapest round trip flights from LHR to IAD for any dates in the next six months were priced from about $710 - $860 and from about $930 - $1170 (nonstop). A few lucky people found prices as low as $630.

    Fly out on a Wednesday, return on a Monday, save up to $60.

    The best day to depart a roundtrip ticket from London to Washington D.C. is Wednesday, saving $20. The best day to return is Monday, saving up to $40.

    From:
    London (LHR)
        
    To:
    Washington D.C. (IAD)    
        
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