London(LHR) to Seattle(SEA) flight deals from £500*

Voucher or promo code

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

Aug 2026
From£687*
Seen: 1 day ago
Round trip/Economy
Sep 2026
From£512*
Seen: 10 hours ago
Round trip/Economy
Oct 2026
From£512*
Seen: 21 hours ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label £575
cmp-daily-histogram-bars-legend-max-price-aria-label £883
Displaying fares for August-2026
  • LHR–SEA, 23 Aug, 2026 – 05 Sep, 2026: From £883
    23

    Su

    AUG

  • LHR–SEA, 24 Aug, 2026 – 07 Sep, 2026: From £883
    24

    Mo

  • LHR–SEA, 25 Aug, 2026 – 19 Sep, 2026: From £875
    25

    Tu

  • LHR–SEA, 26 Aug, 2026 – 02 Sep, 2026: From £766
    26

    We

  • LHR–SEA, 27 Aug, 2026 – 01 Sep, 2026: From £758
    27

    Th

  • LHR–SEA, 28 Aug, 2026 – 30 Sep, 2026: From £710
    28

    Fr

  • LHR–SEA, 29 Aug, 2026 – 21 Sep, 2026: From £687
    29

    Sa

  • LHR–SEA, 30 Aug, 2026 – 06 Sep, 2026: From £687
    30

    Su

  • LHR–SEA, 31 Aug, 2026 – 12 Sep, 2026: From £712
    31

    Mo

  • LHR–SEA, 01 Sep, 2026 – 30 Sep, 2026: From £722
    01

    Tu

    SEP

  • LHR–SEA, 02 Sep, 2026 – 10 Sep, 2026: From £856
    02

    We

  • LHR–SEA, 03 Sep, 2026 – 15 Sep, 2026: From £717
    03

    Th

  • LHR–SEA, 04 Sep, 2026 – 27 Sep, 2026: From £682
    04

    Fr

  • LHR–SEA, 05 Sep, 2026 – 14 Sep, 2026: From £647
    05

    Sa

  • LHR–SEA, 06 Sep, 2026 – 18 Sep, 2026: From £682
    06

    Su

  • LHR–SEA, 07 Sep, 2026 – 28 Sep, 2026: From £694
    07

    Mo

  • LHR–SEA, 08 Sep, 2026 – 13 Oct, 2026: From £720
    08

    Tu

  • LHR–SEA, 09 Sep, 2026 – 19 Sep, 2026: From £681
    09

    We

  • LHR–SEA, 10 Sep, 2026 – 26 Sep, 2026: From £687
    10

    Th

  • LHR–SEA, 11 Sep, 2026 – 25 Sep, 2026: From £681
    11

    Fr

  • LHR–SEA, 12 Sep, 2026 – 19 Sep, 2026: From £660
    12

    Sa

  • LHR–SEA: cmp-view-offers-disclaimer. Click for latest price
    13

    Su

  • LHR–SEA, 14 Sep, 2026 – 24 Sep, 2026: From £710
    14

    Mo

  • LHR–SEA, 15 Sep, 2026 – 08 Oct, 2026: From £720
    15

    Tu

  • LHR–SEA, 16 Sep, 2026 – 22 Sep, 2026: From £723
    16

    We

  • LHR–SEA, 17 Sep, 2026 – 03 Oct, 2026: From £719
    17

    Th

  • LHR–SEA, 18 Sep, 2026 – 30 Sep, 2026: From £578
    18

    Fr

  • LHR–SEA, 19 Sep, 2026 – 27 Sep, 2026: From £685
    19

    Sa

  • LHR–SEA: cmp-view-offers-disclaimer. Click for latest price
    20

    Su

  • LHR–SEA, 21 Sep, 2026 – 30 Sep, 2026: From £585
    21

    Mo

  • LHR–SEA, 22 Sep, 2026 – 05 Oct, 2026: From £575
    22

    Tu

    • Range£575-£883

    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)
      31 Mar, 2027 - 10 Apr, 2027
      Starting from
      £513
      Seen: 5 hours ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      11 Mar, 2027 - 23 Mar, 2027
      Starting from
      £516
      Seen: 21 hours ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      18 Mar, 2027 - 30 Mar, 2027
      Starting from
      £516
      Seen: 21 hours ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      24 Sep, 2026 - 16 Oct, 2026
      Starting from
      £517
      Seen: 1 day ago
      Round trip
      Economy

    • London (LGW)to

      Seattle (SEA)
      15 Sep, 2026 - 30 Nov, 2026
      Starting from
      £693
      Seen: 1 day ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      15 Sep, 2026 - 30 Nov, 2026
      Starting from
      £818
      Seen: 1 day ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      15 Sep, 2026 - 30 Nov, 2026
      Starting from
      £823
      Seen: 1 day ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      06 Sep, 2026 - 18 Sep, 2026
      Starting from
      £919
      Seen: 1 day ago
      Round trip
      Economy

    • London (LGW)to

      Seattle (SEA)
      06 Sep, 2026 - 18 Sep, 2026
      Starting from
      £1,052
      Seen: 1 day ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      06 Sep, 2026 - 18 Sep, 2026
      Starting from
      £1,118
      Seen: 1 day ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      06 Sep, 2026 - 18 Sep, 2026
      Starting from
      £1,252
      Seen: 1 day ago
      Round trip
      Economy

      London (LGW)to

      Seattle (SEA)
      06 Sep, 2026 - 18 Sep, 2026
      Starting from
      £1,361
      Seen: 1 day 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)
      22 Oct, 2026 - 14 Nov, 2026
      Starting from
      18,000
      + £319
      Seen: 1 day ago
      Round trip
      Economy

      London (LHR)to

      Seattle (SEA)
      01 Oct, 2026 - 12 Oct, 2026
      Starting from
      18,000
      + £319
      Seen: 1 day 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    		15 Jun, 2027 - 08 Jul, 2027

    Starting from

    £1,292

    Seen: 21 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		12 Mar, 2027 - 21 Mar, 2027

    Starting from

    £1,293

    Seen: 1 day ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		03 May, 2027 - 08 Jul, 2027

    Starting from

    £1,273

    Seen: 3 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		03 May, 2027 - 08 Jul, 2027

    Starting from

    £1,281

    Seen: 3 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Premium    		01 Jul, 2027 - 18 Jul, 2027

    Starting from

    £1,295

    Seen: 5 minutes 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    		05 Mar, 2027 - 17 Mar, 2027

    Starting from

    £2,817

    Seen: 21 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		05 Mar, 2027 - 17 Mar, 2027

    Starting from

    £2,871

    Seen: 21 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		06 Mar, 2027 - 18 Mar, 2027

    Starting from

    £2,881

    Seen: 21 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		13 Mar, 2027 - 25 Mar, 2027

    Starting from

    £2,881

    Seen: 21 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		06 Mar, 2027 - 18 Mar, 2027

    Starting from

    £2,889

    Seen: 21 hours ago

    London (LHR)Seattle (SEA)Round trip
    /
    Upper Class    		12 Mar, 2027 - 24 Mar, 2027

    Starting from

    £2,889

    Seen: 21 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)
    Best overall airline in Europe 2025

    Best overall airline in Europe 2025


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