London(LHR) to Seattle(SEA) flight deals from £504*

Voucher or promo code

Book our best prices between London and Seattle  within the next 6 months

Aug 2026
From£534*
Seen: 1 day ago
Round trip/Economy
Sep 2026
From£524*
Seen: 6 hours ago
Round trip/Economy
Oct 2026
From£525*
Seen: 4 hours ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label £534
cmp-daily-histogram-bars-legend-max-price-aria-label £3.9K
Displaying fares for August-2026
  • LHR–SEA, 02 Aug, 2026 – 09 Aug, 2026: From £1,241
    02

    Su

    AUG

  • LHR–SEA, 03 Aug, 2026 – 10 Aug, 2026: From £1,004
    03

    Mo

  • LHR–SEA, 04 Aug, 2026 – 11 Aug, 2026: From £881
    04

    Tu

  • LHR–SEA, 05 Aug, 2026 – 13 Aug, 2026: From £881
    05

    We

  • LHR–SEA, 06 Aug, 2026 – 12 Aug, 2026: From £881
    06

    Th

  • LHR–SEA, 07 Aug, 2026 – 10 Sep, 2026: From £817
    07

    Fr

  • LHR–SEA, 08 Aug, 2026 – 22 Aug, 2026: From £1,262
    08

    Sa

  • LHR–SEA, 09 Aug, 2026 – 16 Aug, 2026: From £921
    09

    Su

  • LHR–SEA, 10 Aug, 2026 – 19 Aug, 2026: From £859
    10

    Mo

  • LHR–SEA, 11 Aug, 2026 – 24 Aug, 2026: From £869
    11

    Tu

  • LHR–SEA, 12 Aug, 2026 – 17 Aug, 2026: From £864
    12

    We

  • LHR–SEA, 13 Aug, 2026 – 27 Aug, 2026: From £806
    13

    Th

  • LHR–SEA, 14 Aug, 2026 – 31 Aug, 2026: From £830
    14

    Fr

  • LHR–SEA, 15 Aug, 2026 – 22 Aug, 2026: From £698
    15

    Sa

  • LHR–SEA, 16 Aug, 2026 – 14 Sep, 2026: From £698
    16

    Su

  • LHR–SEA, 17 Aug, 2026 – 31 Aug, 2026: From £706
    17

    Mo

  • LHR–SEA, 18 Aug, 2026 – 18 Sep, 2026: From £707
    18

    Tu

  • LHR–SEA, 19 Aug, 2026 – 23 Aug, 2026: From £706
    19

    We

  • LHR–SEA, 20 Aug, 2026 – 24 Aug, 2026: From £700
    20

    Th

  • LHR–SEA, 21 Aug, 2026 – 26 Aug, 2026: From £709
    21

    Fr

  • LHR–SEA, 22 Aug, 2026 – 05 Sep, 2026: From £685
    22

    Sa

  • LHR–SEA: cmp-view-offers-disclaimer. Click for latest price
    23

    Su

  • LHR–SEA, 24 Aug, 2026 – 16 May, 2027: From £751
    24

    Mo

  • LHR–SEA, 25 Aug, 2026 – 03 Sep, 2026: From £680
    25

    Tu

  • LHR–SEA, 26 Aug, 2026 – 26 Aug, 2026: From £3,897
    26

    We

  • LHR–SEA, 27 Aug, 2026 – 13 Sep, 2026: From £632
    27

    Th

  • LHR–SEA, 28 Aug, 2026 – 12 Sep, 2026: From £534
    28

    Fr

  • LHR–SEA, 29 Aug, 2026 – 05 Sep, 2026: From £679
    29

    Sa

  • LHR–SEA, 30 Aug, 2026 – 07 Sep, 2026: From £570
    30

    Su

  • LHR–SEA, 31 Aug, 2026 – 08 Sep, 2026: From £563
    31

    Mo

  • LHR–SEA, 01 Sep, 2026 – 20 Sep, 2026: From £571
    01

    Tu

    SEP

    • Range£534-£3,897

    Prices shown are per person. Cheapest fares may be hand baggage only. *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.

    Flight tickets from London to Seattle on Virgin Atlantic

    • London (LHR)to

      Seattle (SEA)
      20 Dec, 2026 - 01 Jan, 2027
      Starting from
      £516
      Seen: 1 day ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      26 Dec, 2026 - 04 Jan, 2027
      Starting from
      £522
      Seen: 4 minutes ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      15 Sep, 2026 - 01 Oct, 2026
      Starting from
      £524
      Seen: 6 hours ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      15 Sep, 2026 - 30 Sep, 2026
      Starting from
      £524
      Seen: 6 hours ago
      Round trip
      Economy

    • London (LGW)to

      Seattle (SEA)
      06 Dec, 2026 - 13 Dec, 2026
      Starting from
      £666
      Seen: 13 hours ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      06 Dec, 2026 - 13 Dec, 2026
      Starting from
      £803
      Seen: 13 hours ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      06 Dec, 2026 - 13 Dec, 2026
      Starting from
      £1,054
      Seen: 13 hours ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      06 Dec, 2026 - 13 Dec, 2026
      Starting from
      £1,190
      Seen: 13 hours ago
      Round trip
      Economy

    • London (LGW)to

      Seattle (SEA)
      06 Dec, 2026 - 13 Dec, 2026
      Starting from
      £1,606
      Seen: 13 hours ago
      Round trip
      Economy
    Prices shown are per person. Cheapest fares may be hand luggage only. *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.

    Explore flights using your Virgin Points

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    • London (LHR)to

      Seattle (SEA)
      15 Sep, 2026 - 20 Sep, 2026
      Starting from
      18,000
      + £320
      Seen: 22 hours ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      17 Sep, 2026 - 04 Oct, 2026
      Starting from
      18,000
      + £320
      Seen: 6 hours ago
      Round trip
      Economy
    Points fares shown are per person. Cheapest points fares may be hand baggage only. *Points fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.
    From
    To
    Fare type
    Dates
    Price
    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		01 Mar, 2027 - 22 Mar, 2027

    Starting from

    £1,303

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		08 Mar, 2027 - 22 Mar, 2027

    Starting from

    £1,290

    Seen: 23 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		09 Mar, 2027 - 23 Mar, 2027

    Starting from

    £1,295

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		09 Mar, 2027 - 23 Mar, 2027

    Starting from

    £1,303

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		05 Mar, 2027 - 16 Mar, 2027

    Starting from

    £1,294

    Seen: 3 hours ago

    Prices shown are per person. Cheapest fares may be hand luggage only. *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.
    From
    To
    Fare type
    Dates
    Price
    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		09 Apr, 2027 - 23 Apr, 2027

    Starting from

    £3,172

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		01 Mar, 2027 - 22 Mar, 2027

    Starting from

    £3,172

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		11 Mar, 2027 - 19 Mar, 2027

    Starting from

    £3,164

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		09 Mar, 2027 - 23 Mar, 2027

    Starting from

    £3,164

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		04 Mar, 2027 - 18 Mar, 2027

    Starting from

    £3,164

    Seen: 3 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		20 Feb, 2027 - 27 Feb, 2027

    Starting from

    £3,164

    Seen: 8 hours ago

    Prices shown are per person. *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.
    Flight deals from London (LHR) to Seattle (SEA)
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    Best overall airline in Europe 2025


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