Direct flights
from London (LHR)
to Seattle (SEA)

Weekly schedule for flights between Heathrow (London, United Kingdom) and Seattle-Tacoma Intl (Seattle, United States) operated by 1 airlines.
20 weekly flights operate on this route flying 4,812mi in 13h30min.
Expect $656 in average for a one-way ticket with the cheapest option at $0.