Flight times from Seattle to London & schedule

FAQs about flight schedules from Seattle to London

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

  Airlines adjust prices for flights from Seattle to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

• How long is the flight from Seattle (SEA) to London (LON)?

  It takes about 9 hours 29 minutes to fly from Seattle (SEA) to London (LON).

• What are the most popular airlines that fly from Seattle (SEA) to London (LON)?

  Airlines with flights from Seattle (SEA) to London (LON): Iberia, Alaska Airlines, Delta Air Lines, Scandinavian Airlines, Aer Lingus, Aeromexico, American Airlines, KLM Royal Dutch Airlines, Virgin Atlantic, Finnair, Air France and British Airways.

• How many airports in London (LON)?

  There are 6 airport(s) in London (LON): London City Airport, London Gatwick Airport, Heathrow Airport, London Luton Airport, London Southend Airport and London Stansted Airport.