Flights Seattle – London (SEA-LHR) from $898*

*Modifying this information may result in a different fare

Book flights from Seattle to London

cmp-daily-histogram-bars-legend-min-price-aria-label $927
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for September-2026
  • SEA–LHR, 09/26/2026 – 09/29/2026: From $1,050
    26

    Sa

    sep

  • SEA–LHR, 09/27/2026 – 09/30/2026: From $1,000
    27

    Su

  • SEA–LHR, 09/28/2026 – 10/01/2026: From $1,000
    28

    Mo

  • SEA–LHR, 09/29/2026 – 10/02/2026: From $1,000
    29

    Tu

  • SEA–LHR, 09/30/2026 – 10/14/2026: From $1,100
    30

    We

  • SEA–LHR, 10/01/2026 – 10/22/2026: From $1,148
    01

    Th

    oct

  • SEA–LHR, 10/02/2026 – 10/09/2026: From $1,148
    02

    Fr

  • SEA–LHR, 10/03/2026 – 10/06/2026: From $1,048
    03

    Sa

  • SEA–LHR, 10/04/2026 – 10/07/2026: From $998
    04

    Su

  • SEA–LHR, 10/05/2026 – 10/08/2026: From $998
    05

    Mo

  • SEA–LHR, 10/06/2026 – 10/20/2026: From $998
    06

    Tu

  • SEA–LHR, 10/07/2026 – 10/14/2026: From $998
    07

    We

  • SEA–LHR, 10/08/2026 – 10/22/2026: From $1,048
    08

    Th

  • SEA–LHR, 10/09/2026 – 10/23/2026: From $1,048
    09

    Fr

  • SEA–LHR, 10/10/2026 – 10/13/2026: From $1,048
    10

    Sa

  • SEA–LHR, 10/11/2026 – 10/14/2026: From $998
    11

    Su

  • SEA–LHR, 10/12/2026 – 10/15/2026: From $998
    12

    Mo

  • SEA–LHR, 10/13/2026 – 10/20/2026: From $998
    13

    Tu

  • SEA–LHR, 10/14/2026 – 10/21/2026: From $998
    14

    We

  • SEA–LHR, 10/15/2026 – 11/12/2026: From $1,048
    15

    Th

  • SEA–LHR, 10/16/2026 – 11/06/2026: From $1,048
    16

    Fr

  • SEA–LHR, 10/17/2026 – 10/20/2026: From $1,002
    17

    Sa

  • SEA–LHR, 10/18/2026 – 10/21/2026: From $998
    18

    Su

  • SEA–LHR, 10/19/2026 – 10/22/2026: From $998
    19

    Mo

  • SEA–LHR, 10/20/2026 – 10/23/2026: From $998
    20

    Tu

  • SEA–LHR, 10/21/2026 – 11/04/2026: From $998
    21

    We

  • SEA–LHR, 10/22/2026 – 11/05/2026: From $1,048
    22

    Th

  • SEA–LHR, 10/23/2026 – 11/06/2026: From $1,048
    23

    Fr

  • SEA–LHR, 10/24/2026 – 10/27/2026: From $977
    24

    Sa

  • SEA–LHR, 10/25/2026 – 10/28/2026: From $927
    25

    Su

  • Range$927-$1,148

    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
    10/28/2026 - 11/18/2026

    From

    $898

    Seen: 6 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    10/27/2026 - 11/10/2026

    From

    $898

    Seen: 6 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    12/02/2026 - 12/09/2026

    From

    $898

    Seen: 14 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    12/06/2026 - 12/09/2026

    From

    $898

    Seen: 14 hrs ago

    Seattle (SEA)London (LHR)Round-trip
    /
    Economy
    12/08/2026 - 12/11/2026

    From

    $898

    Seen: 14 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.