Flight Routes from London Heathrow to Seattle Tacoma

Compare cheap outbound and return flights from London Heathrow (LHR) to Seattle-Tacoma (SEA) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest oneway flight
from€601
Cheapest roundtrip flight
from€323
Fastest flight
non-stop flights
19x / week
Flight distance
7,710 km
Time difference

Flight schedule from London Heathrow (LHR) to Seattle-Tacoma (SEA)

Select a travel date in the flight schedule for the route from London Heathrow (LHR) to Seattle-Tacoma (SEA) and compare affordable flight deals.

offers
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Matching outbound flightsLHR–SEA · 5 of 5
fromto
dep.arr.
durationstopovers
  1. 26 Oct – 1 Nov 2026
  2. 2 – 8 November 2026
  3. 9 – 15 November 2026
    1. LHRSEA
      non-stop
      1. British Airways
    2. LHRSEA
      non-stop
      1. Delta Air Lines
    3. LHRSEA
      1 stopover
      1. Air Canada
    4. LHRSEA
      non-stop
      1. Alaska Airlines
    5. LHRSEA
      non-stop
      1. British Airways

      Important flight information

      Discover more flights around London Heathrow and Seattle-Tacoma

      Departure airport Airport London Heathrow (LHR)
      Arrival airport Airport Seattle-Tacoma (SEA)
      Destination country Flights to United States
      City-Code - Arrival airport London - Seattle-Tacoma
      Departure airport - Destination country London Heathrow - United States
      Alternative routes to United States
      Alternative flights to Seattle-Tacoma
      Popular destinations for onward travel
      Flight destinations with a similar price