London - Seattle flights from GBP795*

Book flights from London to Seattle

Sep 2026
FromGBP1,163*
Last update 14 hrs ago
Flight Type Round Trip/Economy
Oct 2026
FromGBP823*
Last update 14 hrs ago
Flight Type Round Trip/Economy
Nov 2026
FromGBP823*
Last update 14 hrs ago
Flight Type Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label GBP843
cmp-daily-histogram-bars-legend-max-price-aria-label GBP1.5K
Displaying fares for September-2026
  • LHR–SEA, Tue, September 22 – Tue, October 06: From GBP1,453
    22

    Tu

    SEP

  • LHR–SEA, Wed, September 23 – Wed, October 07: From GBP1,418
    23

    We

  • LHR–SEA, Thu, September 24 – Thu, October 08: From GBP1,263
    24

    Th

  • LHR–SEA, Fri, September 25 – Fri, October 09: From GBP1,408
    25

    Fr

  • LHR–SEA, Sat, September 26 – Sat, October 10: From GBP1,408
    26

    Sa

  • LHR–SEA, Sun, September 27 – Sun, October 11: From GBP1,408
    27

    Su

  • LHR–SEA, Mon, September 28 – Mon, October 12: From GBP1,263
    28

    Mo

  • LHR–SEA, Tue, September 29 – Tue, October 06: From GBP1,263
    29

    Tu

  • LHR–SEA, Wed, September 30 – Wed, October 14: From GBP1,163
    30

    We

  • LHR–SEA, Thu, October 01 – Thu, October 08: From GBP1,163
    01

    Th

    OCT

  • LHR–SEA, Fri, October 02 – Tue, October 06: From GBP1,173
    02

    Fr

  • LHR–SEA, Sat, October 03 – Wed, October 07: From GBP1,093
    03

    Sa

  • LHR–SEA, Sun, October 04 – Thu, October 08: From GBP1,033
    04

    Su

  • LHR–SEA, Mon, October 05 – Mon, October 12: From GBP1,023
    05

    Mo

  • LHR–SEA, Tue, October 06 – Tue, October 13: From GBP853
    06

    Tu

  • LHR–SEA, Wed, October 07 – Wed, October 14: From GBP853
    07

    We

  • LHR–SEA, Thu, October 08 – Mon, October 12: From GBP973
    08

    Th

  • LHR–SEA, Fri, October 09 – Tue, October 13: From GBP1,033
    09

    Fr

  • LHR–SEA, Sat, October 10 – Wed, October 14: From GBP1,033
    10

    Sa

  • LHR–SEA, Sun, October 11 – Thu, October 15: From GBP863
    11

    Su

  • LHR–SEA, Mon, October 12 – Mon, October 19: From GBP853
    12

    Mo

  • LHR–SEA, Tue, October 13 – Tue, October 20: From GBP853
    13

    Tu

  • LHR–SEA, Wed, October 14 – Wed, October 21: From GBP853
    14

    We

  • LHR–SEA, Thu, October 15 – Mon, October 19: From GBP873
    15

    Th

  • LHR–SEA, Fri, October 16 – Tue, October 20: From GBP918
    16

    Fr

  • LHR–SEA, Sat, October 17 – Wed, October 21: From GBP883
    17

    Sa

  • LHR–SEA, Sun, October 18 – Thu, October 22: From GBP853
    18

    Su

  • LHR–SEA, Mon, October 19 – Mon, October 26: From GBP843
    19

    Mo

  • LHR–SEA, Tue, October 20 – Tue, October 27: From GBP843
    20

    Tu

  • LHR–SEA, Wed, October 21 – Wed, November 04: From GBP873
    21

    We

    • RangeGBP843-GBP1,453

    *Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional fees and charges for optional products and services may apply.

    Discover London - Seattle flights

    View current London – Seattle flight ticket fares to find the flight that’s best for you. Whether you’re flying for business or for leisure, you’ll enjoy a safe, comfortable trip with the exceptional service standards offered by Turkish Airlines.

    keyboard_arrow_down
    Discover London - Seattle flights
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Mon, November 09 - Mon, November 23

    From

    GBP823

    Last update 14 hrs ago

    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Wed, November 18 - Wed, November 25

    From

    GBP823

    Last update 14 hrs ago

    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Mon, December 07 - Mon, December 14

    From

    GBP823

    Last update 14 hrs ago

    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Thu, November 26 - Mon, November 30

    From

    GBP823

    Last update 14 hrs ago

    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Thu, November 05 - Thu, November 19

    From

    GBP823

    Last update 14 hrs ago

    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Thu, November 19 - Thu, November 26

    From

    GBP823

    Last update 14 hrs ago

    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Wed, December 09 - Wed, December 23

    From

    GBP823

    Last update 14 hrs ago

    London (LHR)Seattle (SEA)Round-trip
    /
    Economy    		Mon, November 02 - Mon, November 16

    From

    GBP823

    Last update 14 hrs ago

    *Fares displayed have been collected within the last 48 hours and may no longer be available at time of booking.

    Find similar flights from London