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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

• How long does it take to fly from Seattle (SEA) to London (LON) and what is the distance?

  It takes around 9 hours 45 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, KLM Royal Dutch Airlines, Alaska Airlines, Delta Air Lines, Scandinavian Airlines, Aer Lingus, American Airlines, Virgin Atlantic, Finnair, Air France and British Airways.