Cheap flights from Seattle (SEA) to London (LON)

Flight FAQs

From Seattle to London

How popular is this flight route?

Within the past month, 11 users have taken a look at flights from Seattle to London.

What percent of flights are delayed?

Airlines departing from Seattle to London can be delayed by up to 91min. or more hours.

How many passenger seats are available on a flight on this route?

On average, there are a total of 542 seats offered from Seattle to London per day.

What is the cheapest airline for this route?

While looking for the best option consider British Airways, our data currently shows that they have the cheapest flight available for the flight path. When traveling from Seattle to London, generally 29 flights depart for this route daily.

How long does the flight from Seattle to London take?

A nonstop flight takes up to 10 hours, covering a distance of 2,990 miles.

How many flights depart from Seattle to London on average per day?

Per day, 23 flights depart from Seattle to London on average.
Afternoon (Noon - 6pm) - 57% of flight departures
Evening (6pm - Midnight) - 43% of flight departures

Is Seattle weather warmer or cooler than London?

Our data indicates that the weather will be 77 °F on average in the month of July. The temperature in London is typically colder than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.