On this page, you can find and book flights from London to Seattle. The distance between the cities is 7,723 km, and there are approximately 38 weekly flights on this route.
Flights are operated by airlines such as British Airways, Virgin Atlantic, and Delta Air Lines. Ticket prices are dynamic, so we recommend using the price trend chart and checking how to get to the airport in London and airport transfer options in Seattle in advance.
The table shows direct flights London → Seattle for the selected date. The flight takes about 9h 45m. Regular flights are operated by British Airways, Aer Lingus, Alaska Airlines and Virgin Atlantic. Departures from Heathrow Airport, London Gatwick Airport and Stansted Airport, arrivals at Seattle-Tacoma International Airport and Paine Field.
Each row shows: local departure time, destination city and airport, flight number with airline, terminal or gate and status. Click a flight to open its details and switch to search. To view another day, change the date above the table.
The warmest period in Seattle is July and August, when average highs reach 25°C. January is considered the wettest and coldest month, with precipitation exceeding 200 mm and average temperatures around 6°C.
The lowest flight prices are recorded in September — from 37,142 ₽ and October — from 37,144 ₽. The peak month for ticket costs is July, when the price rises to from 43,737 ₽.
September is the optimal choice for balancing weather and cost: rainfall decreases significantly while prices remain at their lowest. It is best to avoid flying in December and January due to the high probability of prolonged rain.
Below is the calendar of lowest prices for London — Seattle flights by day. Pick a convenient date and see the fare instantly. The cheapest flights on this route start at 37,142 RUB in September, the most expensive reach around 43,737 RUB in July. If your dates are flexible, the calendar helps you pick the lowest fare for the period you need. To view round-trip prices, switch to the “Round-trip” tab above the calendar and pick a departure date — the right-side calendar will then highlight the lowest return fares for each day.
There are 11 airlines operating on this route, with British Airways, Virgin Atlantic, and Delta Air Lines leading in flight frequency. Passengers can choose from both direct non-stop flights and convenient connections, with a total service intensity of ~38 departures per week. The full schedule, including specific days and departure times, is provided in the list below.
Flights London — Seattle depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and land at Seattle-Tacoma International Airport and Paine Field. Below are pages for the cities, countries and airports on this route: airlines, schedules and travel guides.
A direct flight over a distance of 7,723 km takes an average of 9 hours 30 minutes. Travel time for connecting flights depends on the layover duration and can range from 12 to 18 hours.
Regular flights are operated by British Airways, Virgin Atlantic, Delta, American Airlines, and Air France. In total, 11 different carriers are represented on this route.
Yes, given the high frequency of service (~38 flights per week), there are several direct non-stop flights between the cities every day.
Flights from London arrive at Seattle-Tacoma International Airport (SEA), the primary aviation hub for Washington State.
Airfares change constantly based on demand and seasonality. You can check the current minimum for upcoming dates in the low-price calendar on this page.
