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Cheap flights from London to Washington, D.C.

Book London to Washington, D.C. flight deals*

Lowest fares from
From
To
To
  • September2021
    No result for this month.
  • October2021
    From
    £217.56*
    Seen:1dayago
    Each way|Economy
  • November2021
    From
    £209.77*
    Seen:1dayago
    Each way|Economy
  • December2021
    From
    £209.45*
    Seen:29minutesago
    Each way|Economy
  • January2022
    No result for this month.
  • February2022
    From
    £199.93*
    Seen:1dayago
    Each way|Economy
  • LHR-IAD

    London to Washington, D.C.

    Date: 16 Nov 2021-

    23 Nov 2021

    From
    £209.97*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 19 Dec 2021-

    1 Jan 2022

    From
    £209.97*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 18 Dec 2021-

    7 Jan 2022

    From
    £209.77*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 19 Dec 2021-

    12 Jan 2022

    From
    £209.77*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 19 Nov 2021-

    3 Dec 2021

    From
    £209.77*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 2 Dec 2021-

    6 Jan 2022

    From
    £209.77*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 17 Dec 2021-

    16 Feb 2022

    From
    £214.77*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 17 Dec 2021-

    1 Jan 2022

    From
    £215.15*

    *Each way fare as part of a return trip including taxes and charges.

    LHR-IAD

    London to Washington, D.C.

    Date: 16 Nov 2021-

    7 Dec 2021

    From
    £219.97*

    *Each way fare as part of a return trip including taxes and charges.

    *Roundtrip Restrictions apply.
    Each way fare as part of a return trip including taxes and charges.
    One way fare including taxes and charges.

    Aer Lingus Plane Image

    Weather in Washington, D.C.

    Wednesday moderate rain
    25°C 22 Sep 2021
    Thursday moderate rain
    15°C 23 Sep 2021
    Friday sky is clear
    22°C 24 Sep 2021
    Saturday sky is clear
    21°C 25 Sep 2021
    Sunday overcast clouds
    21°C 26 Sep 2021
    Monday sky is clear
    23°C 27 Sep 2021
    Tuesday light rain
    24°C 28 Sep 2021
    Powered By: OpenWeatherMap.org