Flights Seattle – London (SEA-LHR) from $853*

*Modifying this information may result in a different fare

Book flights from Seattle to London

cmp-daily-histogram-bars-legend-min-price-aria-label $902
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for August-2026
  • SEA–LHR, 08/18/2026 – 08/21/2026: From $1,002
    18

    Tu

    aug

  • SEA–LHR, 08/19/2026 – 08/26/2026: From $1,002
    19

    We

  • SEA–LHR, 08/20/2026 – 08/27/2026: From $1,052
    20

    Th

  • SEA–LHR, 08/21/2026 – 08/28/2026: From $1,052
    21

    Fr

  • SEA–LHR, 08/22/2026 – 08/25/2026: From $1,052
    22

    Sa

  • SEA–LHR, 08/23/2026 – 08/26/2026: From $1,002
    23

    Su

  • SEA–LHR, 08/24/2026 – 08/27/2026: From $1,002
    24

    Mo

  • SEA–LHR, 08/25/2026 – 08/28/2026: From $1,002
    25

    Tu

  • SEA–LHR, 08/26/2026 – 09/02/2026: From $1,006
    26

    We

  • SEA–LHR, 08/27/2026 – 09/10/2026: From $1,052
    27

    Th

  • SEA–LHR, 08/28/2026 – 09/18/2026: From $1,143
    28

    Fr

  • SEA–LHR, 08/29/2026 – 09/01/2026: From $1,143
    29

    Sa

  • SEA–LHR, 08/30/2026 – 09/02/2026: From $1,083
    30

    Su

  • SEA–LHR, 08/31/2026 – 09/03/2026: From $1,083
    31

    Mo

  • SEA–LHR, 09/01/2026 – 09/08/2026: From $1,002
    01

    Tu

    sep

  • SEA–LHR, 09/02/2026 – 09/09/2026: From $1,162
    02

    We

  • SEA–LHR, 09/03/2026 – 09/10/2026: From $1,097
    03

    Th

  • SEA–LHR, 09/04/2026 – 09/11/2026: From $1,097
    04

    Fr

  • SEA–LHR, 09/05/2026 – 09/08/2026: From $1,006
    05

    Sa

  • SEA–LHR, 09/06/2026 – 09/09/2026: From $1,002
    06

    Su

  • SEA–LHR, 09/07/2026 – 09/10/2026: From $1,002
    07

    Mo

  • SEA–LHR, 09/08/2026 – 09/29/2026: From $1,002
    08

    Tu

  • SEA–LHR, 09/09/2026 – 09/30/2026: From $1,002
    09

    We

  • SEA–LHR, 09/10/2026 – 09/24/2026: From $1,052
    10

    Th

  • SEA–LHR, 09/11/2026 – 10/09/2026: From $1,052
    11

    Fr

  • SEA–LHR, 09/12/2026 – 09/15/2026: From $1,052
    12

    Sa

  • SEA–LHR, 09/13/2026 – 09/16/2026: From $902
    13

    Su

  • SEA–LHR, 09/14/2026 – 09/17/2026: From $902
    14

    Mo

  • SEA–LHR, 09/15/2026 – 09/22/2026: From $902
    15

    Tu

  • SEA–LHR, 09/16/2026 – 10/07/2026: From $902
    16

    We

  • SEA–LHR, 09/17/2026 – 10/01/2026: From $952
    17

    Th

  • Range$902-$1,162

    The best deals on flights from Seattle to London for the upcoming months

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    The best deals on flights from Seattle to London for the upcoming months
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    11/15/2026 - 11/18/2026

    From

    $853

    Seen: 17 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    10/05/2026 - 10/08/2026

    From

    $902

    Seen: 15 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    10/06/2026 - 10/09/2026

    From

    $902

    Seen: 15 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    10/06/2026 - 11/03/2026

    From

    $902

    Seen: 15 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    10/13/2026 - 11/10/2026

    From

    $902

    Seen: 15 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 Seattle to London with Air France

    Whether you're looking for a last-minute Seattle - 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 Seattle (SEA) to London (LHR) or directly pick your departure date if your trip to London (United Kingdom) is already scheduled.