|Best price found||£203||The best flight deal from Seattle to London Heathrow Airport found on momondo in the last 72 hours is £203|
|Fastest flight time||9h 05m||The fastest flight from Seattle to London Heathrow Airport takes 9h 05m|
|Direct flights||None||There are no direct flights from Seattle to London Heathrow Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - London Heathrow Airport.|
The cheapest time of year to fly to London Heathrow Airport from Seattle is October. The most expensive is December.
American Airlines, Delta, and Iberia are the most popular carriers operating from Seattle to London Heathrow Airport
60 days before
The cheapest time to buy a flight from Seattle to London Heathrow Airport is approximately 60 days to departure
To ease the stress of booking flights, some of our airline partners flying from Seattle/Tacoma Intl to London Heathrow are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travellers: Virgin Atlantic, British Airways, and Delta.
The distance between Seattle/Tacoma Intl and London Heathrow is about 4774.1 mi. By plane, this route typically takes 9h 25m.