Book a London to Seattle flight and save

The price of an airline ticket from London to Seattle varies depending on your travel dates and how far in advance you book your flight. Fly Scanner brings you the best cheap flights by comparing schedules, airlines, stopovers, alternative dates and other destinations in United States.

Find a direct flight London to Seattle

If you're looking only for direct flights to Seattle, with our search engine you can filter the offers of hundreds of companies to get only the cheapest direct flights from London to Seattle. Avoid unnecessary waste of time, compare all offers in one search.

Save money on your London - Seattle flight

With the comparator of Fly Scanner you can quickly and easily compare offers according to your needs. Filter your search according to the parameters that interest you and get only the offers that meet your preferences.

How to find the best flight with Fly Scanner

Enter the class of travel, number of passengers and days of the flight and you can compare the best available offers in seconds. If you have flexibility in choosing your trip, you can save even more! For example, by flying in United States, we can offer you other cheaper destinations or other travel dates for the same destination. How to do this? Apply our filters on the search page!