American Airlines flights from London to Washington, D.C.

Recent searches for flights from London to Washington, D.C.

cmp-daily-histogram-bars-legend-min-price-aria-label £540
cmp-daily-histogram-bars-legend-max-price-aria-label £864
Displaying fares for August-2026
  • LON–WAS, 31/08/2026 – 07/09/2026: From £742
    31

    Mo

    AUG

  • LHR–IAD, 01/09/2026 – 08/09/2026: From £728
    01

    Tu

  • LHR–IAD, 02/09/2026 – 09/09/2026: From £728
    02

    We

  • LHR–IAD, 03/09/2026 – 10/09/2026: From £728
    03

    Th

  • LHR–IAD, 04/09/2026 – 11/09/2026: From £728
    04

    Fr

  • LON–WAS, 05/09/2026 – 12/09/2026: From £742
    05

    Sa

  • LON–WAS, 06/09/2026 – 13/09/2026: From £742
    06

    Su

  • LCY–WAS, 07/09/2026 – 14/09/2026: From £864
    07

    Mo

  • LHR–IAD, 08/09/2026 – 15/09/2026: From £728
    08

    Tu

  • LHR–IAD, 09/09/2026 – 16/09/2026: From £728
    09

    We

  • LON–WAS, 10/09/2026 – 17/09/2026: From £742
    10

    Th

  • LHR–IAD, 11/09/2026 – 18/09/2026: From £728
    11

    Fr

  • LON–WAS, 12/09/2026 – 19/09/2026: From £747
    12

    Sa

  • LCY–IAD, 13/09/2026 – 20/09/2026: From £803
    13

    Su

  • LON–WAS, 14/09/2026 – 21/09/2026: From £616
    14

    Mo

  • LHR–IAD, 15/09/2026 – 22/09/2026: From £597
    15

    Tu

  • LON–IAD, 16/09/2026 – 23/09/2026: From £597
    16

    We

  • LHR–IAD, 17/09/2026 – 24/09/2026: From £597
    17

    Th

  • LON–WAS, 18/09/2026 – 25/09/2026: From £611
    18

    Fr

  • LON–IAD, 19/09/2026 – 26/09/2026: From £597
    19

    Sa

  • LON–WAS, 20/09/2026 – 27/09/2026: From £616
    20

    Su

  • LON–WAS, 21/09/2026 – 28/09/2026: From £616
    21

    Mo

  • LHR–IAD, 22/09/2026 – 29/09/2026: From £597
    22

    Tu

  • LON–IAD, 23/09/2026 – 30/09/2026: From £597
    23

    We

  • LON–WAS, 24/09/2026 – 01/10/2026: From £611
    24

    Th

  • LHR–IAD, 25/09/2026 – 02/10/2026: From £608
    25

    Fr

  • LON–WAS, 26/09/2026 – 03/10/2026: From £616
    26

    Sa

  • LHR–DCA, 27/09/2026 – 04/10/2026: From £580
    27

    Su

  • LON–WAS, 28/09/2026 – 05/10/2026: From £540
    28

    Mo

  • LON–DCA, 29/09/2026 – 06/10/2026: From £545
    29

    Tu

  • LHR–WAS, 30/09/2026 – 07/10/2026: From £540
    30

    We

  • range£540-£864

    More Destinations Together

    Our partnership with British Airways gives you access to the U.S. and beyond.  When you fly with American or British Airways, you can earn and redeem AAdvantage® Miles, plus, enjoy the benefits of your AAdvantage® status on both airlines.

    Find deals on London to Washington, D.C. flights

    £
    keyboard_arrow_down

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    American Airlines flights from London to Washington, D.C.

    Explore more flights with American Airlines