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€374
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
Active filtersnone
Matching outbound flights9 of 9
fromto
dep.arr.
durationstopovers
  1. 21 – 27 September 2026
  2. 28 Sept – 4 Oct 2026
  3. 5 – 11 October 2026
    1. LHRSEA
      non-stop
      1. British Airways
    2. LHRSEA
      non-stop
      1. Virgin Atlantic Airways
    3. LHRSEA
      non-stop
      1. British Airways
    4. LHRSEA
      non-stop
      1. Alaska Airlines
    5. LHRSEA
      non-stop
      1. Alaska Airlines
    6. LHRSEA
      non-stop
      1. Delta Air Lines
    7. LHRSEA
      non-stop
      1. Delta Air Lines
    8. LHRSEA
      non-stop
      1. Delta Air Lines
    9. LHRSEA
      1 stopover
      1. Lufthansa

      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
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