Flights Washington, D.C. – London (IAD-LHR) from $860*

*Modifying this information may result in a different fare

Book flights from Washington, D.C. to London

cmp-daily-histogram-bars-legend-min-price-aria-label $975
cmp-daily-histogram-bars-legend-max-price-aria-label $1.3K
Displaying fares for August-2026
  • IAD–LHR, 08/29/2026 – 09/05/2026: From $1,181
    29

    Sa

    aug

  • IAD–LHR, 08/30/2026 – 09/20/2026: From $1,130
    30

    Su

  • IAD–LHR, 08/31/2026 – 09/07/2026: From $1,125
    31

    Mo

  • IAD–LHR, 09/01/2026 – 09/15/2026: From $1,040
    01

    Tu

    sep

  • IAD–LHR, 09/02/2026 – 09/09/2026: From $1,040
    02

    We

  • IAD–LHR, 09/03/2026 – 09/24/2026: From $1,272
    03

    Th

  • IAD–LHR, 09/04/2026 – 09/18/2026: From $1,271
    04

    Fr

  • IAD–LHR, 09/05/2026 – 09/26/2026: From $1,135
    05

    Sa

  • IAD–LHR, 09/06/2026 – 09/20/2026: From $1,081
    06

    Su

  • IAD–LHR, 09/07/2026 – 09/21/2026: From $1,081
    07

    Mo

  • IAD–LHR, 09/08/2026 – 09/15/2026: From $1,031
    08

    Tu

  • IAD–LHR, 09/09/2026 – 09/16/2026: From $1,038
    09

    We

  • IAD–LHR, 09/10/2026 – 09/17/2026: From $1,081
    10

    Th

  • IAD–LHR, 09/11/2026 – 10/02/2026: From $1,081
    11

    Fr

  • IAD–LHR, 09/12/2026 – 09/26/2026: From $1,131
    12

    Sa

  • IAD–LHR, 09/13/2026 – 10/11/2026: From $1,081
    13

    Su

  • IAD–LHR, 09/14/2026 – 09/28/2026: From $1,081
    14

    Mo

  • IAD–LHR, 09/15/2026 – 09/29/2026: From $1,031
    15

    Tu

  • IAD–LHR, 09/16/2026 – 10/07/2026: From $1,038
    16

    We

  • IAD–LHR, 09/17/2026 – 10/06/2026: From $1,080
    17

    Th

  • IAD–LHR, 09/18/2026 – 09/25/2026: From $1,081
    18

    Fr

  • IAD–LHR, 09/19/2026 – 09/26/2026: From $1,131
    19

    Sa

  • IAD–LHR, 09/20/2026 – 10/11/2026: From $1,081
    20

    Su

  • IAD–LHR, 09/21/2026 – 10/19/2026: From $1,081
    21

    Mo

  • IAD–LHR, 09/22/2026 – 10/20/2026: From $1,031
    22

    Tu

  • IAD–LHR, 09/23/2026 – 09/30/2026: From $1,038
    23

    We

  • IAD–LHR, 09/24/2026 – 10/08/2026: From $1,081
    24

    Th

  • IAD–LHR, 09/25/2026 – 10/02/2026: From $975
    25

    Fr

  • IAD–LHR, 09/26/2026 – 10/24/2026: From $1,025
    26

    Sa

  • IAD–LHR, 09/27/2026 – 10/25/2026: From $975
    27

    Su

  • IAD–LHR, 09/28/2026 – 10/05/2026: From $975
    28

    Mo

  • Range$975-$1,272

    The best deals on flights from Washington, D.C. to London for the upcoming months

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    The best deals on flights from Washington, D.C. to London for the upcoming months
    From
    To
    Fare Type
    Dates
    Price
    Washington, D.C. (IAD)London (LHR)Round-trip
    /
    Economy
    11/25/2026 - 12/09/2026

    From

    $860

    Seen: 9 hrs ago

    Washington, D.C. (IAD)London (LHR)Round-trip
    /
    Economy
    11/25/2026 - 12/16/2026

    From

    $860

    Seen: 9 hrs ago

    Washington, D.C. (IAD)London (LHR)Round-trip
    /
    Economy
    11/25/2026 - 12/23/2026

    From

    $860

    Seen: 9 hrs ago

    Washington, D.C. (IAD)London (LHR)Round-trip
    /
    Economy
    11/25/2026 - 12/02/2026

    From

    $890

    Seen: 9 hrs ago

    Washington, D.C. (IAD)London (LHR)Round-trip
    /
    Economy
    11/26/2026 - 12/03/2026

    From

    $905

    Seen: 9 hrs ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
    Flight to London

    Travel from Washington, D.C. to London with Air France

    Whether you're looking for a last-minute Washington, D.C. - London (United Kingdom) flight or planning a flight at a later date, take advantage of our lowest prices for your travel dates on this site. Take a look at the next 6 months and find the best price to fly whit Air France from Washington, D.C. (IAD) to London (LHR) or directly pick your departure date if your trip to London (United Kingdom) is already scheduled.