Flight INFO & British Airways(BA) flights from London to Seattle

Cheapest return ticket price US$700
Cheapest month September
Peak season for travel July
Flight distance 7,713.31 km
Average flight time 10 hours 5 minutes
Popular airline Alaska Airlines

Book British Airways(BA) flights from London to Seattle

  • One way
  • Round-trip
      • direct cheapest
        LHR16:30
        9h 55m
        Nonstop
        SEA18:25
        London - Seattle|Mon, Sep 7|British Airways
        US$546
        US$935
        42% off
        Search
        42% off
        US$935
        US$546
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Tue, Sep 1|British Airways
        US$604
        US$935
        35% off
        Search
        35% off
        US$935
        US$604
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Tue, Sep 8|British Airways
        US$615
        US$935
        34% off
        Search
        34% off
        US$935
        US$615
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Wed, Aug 26|British Airways
        US$632
        Search
        US$632
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Fri, Sep 4|British Airways
        US$639
        Search
        US$639
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Sat, Sep 5|British Airways
        US$651
        Search
        US$651
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Thu, Sep 3|British Airways
        US$668
        Search
        US$668
      • LHR16:30
        9h 55m
        Nonstop
        SEA18:25
        London - Seattle|Fri, Aug 28|British Airways
        US$760
        Search
        US$760
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Sun, Aug 23|British Airways
        US$760
        Search
        US$760
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Sat, Aug 29|British Airways
        US$780
        Search
        US$780
      • LHR09:50
        9h 45m
        Nonstop
        SEA11:35
        London - Seattle|Sun, Aug 30|British Airways
        US$813
        Search
        US$813
      • LHR07:30
        16h 30m
        1 stops
        SEA16:00
        London - Seattle|Mon, Sep 7|British Airways
        US$498
        Search
        US$498
      • LHR10:05
        16h 42m
        1 stops
        SEA18:47
        London - Seattle|Fri, Sep 4|British Airways
        US$511
        Search
        US$511
      • LHR16:25
        37h 52m
        1 stops
        SEA22:17
        London - Seattle|Sat, Sep 5|British Airways
        US$541
        Search
        US$541
      • LHR19:45
        31h 15m
        2 stops
        SEA19:00
        London - Seattle|Mon, Aug 17|British Airways
        US$592
        Search
        US$592
      • LHR12:15
        16h 37m
        1 stops
        SEA20:52
        London - Seattle|Tue, Sep 1|British Airways
        US$610
        Search
        US$610
      • LHR12:15
        16h 37m
        1 stops
        SEA20:52
        London - Seattle|Tue, Sep 8|British Airways
        US$622
        Search
        US$622
      • LHR13:10
        14h 52m
        1 stops
        SEA20:02
        London - Seattle|Wed, Aug 26|British Airways
        US$622
        Search
        US$622
      • LHR18:10
        29h 50m
        1 stops
        SEA16:00
        London - Seattle|Thu, Sep 3|British Airways
        US$656
        Search
        US$656
      • LCY17:15
        31h 55m
        1 stops
        SEA17:10
        London - Seattle|Fri, Sep 4|British Airways
        US$662
        Search
        US$662
      • LCY09:10
        16h
        1 stops
        SEA17:10
        London - Seattle|Tue, Sep 1|British Airways
        US$673
        Search
        US$673
      • LGW11:40
        15h 25m
        1 stops
        SEA19:05
        London - Seattle|Wed, Aug 26|British Airways
        US$683
        Search
        US$683
      • LHR13:35
        34h 25m
        1 stops
        SEA16:00
        London - Seattle|Sun, Aug 30|British Airways
        US$685
        Search
        US$685
      • LCY09:10
        16h
        1 stops
        SEA17:10
        London - Seattle|Wed, Aug 26|British Airways
        US$694
        Search
        US$694
      • LCY20:30
        28h 40m
        1 stops
        SEA17:10
        London - Seattle|Tue, Sep 8|British Airways
        US$709
        Search
        US$709
      • LHR07:30
        16h 30m
        1 stops
        SEA16:00
        London - Seattle|Sat, Aug 29|British Airways
        US$716
        Search
        US$716
      • LGW11:40
        16h 58m
        1 stops
        SEA20:38
        London - Seattle|Tue, Sep 8|British Airways
        US$717
        Search
        US$717
      • LHR22:00
        27h 10m
        1 stops
        SEA17:10
        London - Seattle|Sun, Aug 23|British Airways
        US$744
        Search
        US$744
      • LHR13:10
        14h 52m
        1 stops
        SEA20:02
        London - Seattle|Fri, Aug 28|British Airways
        US$750
        Search
        US$750
      • LGW11:40
        14h 52m
        1 stops
        SEA18:32
        London - Seattle|Thu, Sep 3|British Airways
        US$771
        Search
        US$771
      • LON13:00
        14h 52m
        Nonstop
        SEA14:00
        London - Seattle|Mon, Sep 6|Normal Airline
        More cheap flights
        More cheap flights

British Airways(BA) flights from London to Seattle & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. BA053

    British Airways

    09:50

    LHR

    9.8h

    Nonstop

    11:35

    SEA

    S M T W T F S
    Search

  2. BA049

    British Airways

    16:30

    LHR

    9.9h

    Nonstop

    18:25

    SEA

    S M T W T F S
    Search

  3. BA299

    British Airways

    13:10

    LHR

    8.8h

    Nonstop

    15:55

    ORD

    S M T W T F S
    Search

  4. AA3105

    American Airlines

    18:03

    ORD

    4.6h

    Nonstop

    20:39

    SEA

    S M T W T F S
    Search

  5. BA1544

    British Airways

    12:30

    LHR

    8.8h

    Nonstop

    15:15

    ORD

    S M T W T F S
    Search

  6. BA5767

    British Airways

    17:47

    ORD

    4.8h

    Nonstop

    20:37

    SEA

    S M T W T F S
    Search

  7. BA299

    British Airways

    13:10

    LHR

    8.8h

    Nonstop

    15:55

    ORD

    S M T W T F S
    Search

  8. BA4732

    British Airways

    20:45

    ORD

    4.8h

    Nonstop

    23:33

    SEA

    S M T W T F S
    Search

  9. BA6036

    British Airways

    07:30

    LHR

    2.8h

    Nonstop

    12:15

    HEL

    S M T W T F -
    Search

  10. BA6002

    British Airways

    16:20

    HEL

    9.7h

    Nonstop

    16:00

    SEA

    S - - - - - -
    Search

  11. BA1590

    British Airways

    11:15

    LHR

    10.5h

    Nonstop

    15:45

    DFW

    S M T W T F S
    Search

  12. BA2488

    British Airways

    20:05

    DFW

    4.5h

    Nonstop

    22:33

    SEA

    S M T W T - S
    Search

  13. BA1590

    British Airways

    11:15

    LHR

    10.5h

    Nonstop

    15:45

    DFW

    S M T W T F S
    Search

  14. BA5541

    British Airways

    22:41

    DFW

    4.3h

    Nonstop

    00:57

    SEA

    - - - W - F S
    Search

  15. BA067

    British Airways

    13:45

    LHR

    7.9h

    Nonstop

    16:40

    PHL

    S M T W T F S
    Search

  16. BA6730

    British Airways

    18:35

    PHL

    6.4h

    Nonstop

    21:57

    SEA

    S M T W T F -
    Search

  17. BA1588

    British Airways

    08:20

    LHR

    8.0h

    Nonstop

    11:20

    PHL

    S M T W T F S
    Search

  18. BA6730

    British Airways

    18:35

    PHL

    6.4h

    Nonstop

    21:57

    SEA

    S M T W T F -
    Search
Show less

British Airways(BA) flights from London to Seattle Flight Booking FAQ

  • Which airlines offer direct flights from London to Seattle?

    At the moment, you can catch a nonstop flight from London to Seattle with the following airlines, including: Alaska Airlines Virgin Atlantic Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

  • How long is a flight from London to Seattle?

    It takes about 10 hours 5 minutes to fly from London to Seattle.

  • When is the best time to book flights from London to Seattle?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

  • How many flights are there per week from London to Seattle?

    Based on Trip.com data in the past 4 weeks, there is 33 flight per week flying from London to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS5269 (10:19)

  • When are flight tickets from London (LON) to Seattle (SEA) the cheapest?

    The cheapest months to fly from London to Seattle is September, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from London to Seattle on?

    After crunching the numbers on our August flight calendar, it's currently cheapest to fly from London to Seattle on August 28, 2026 with American Airlines, with prices starting at US$485.

  • Which airports can I fly to for Seattle from London?

    You can land at any one of the following hubs in Seattle, with Heathrow Airport to Seattle-Tacoma International Airport (LHR-SEA) is by far the most common option on this route: King County (Boeing Field) International Airport (BFI) Kenmore Air Harbor Seaplane Base (LKE) Seattle-Tacoma International Airport (SEA).

  • Is there any time difference between London and Seattle?

    The time difference between Seattle and London is 8h.

  • How do I change or cancel my ticket from London to Seattle?

    Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.