£253 Find Cheap Flights from Seattle to London – Compare and Save

Heathrow Airport features a number of hotels connected directly to its terminals, so visitors have a selection of airports to choose from. In Terminal 4 travelers will find the Hilton London Heathrow Airport and the capsule hotel YOTEL, while in Terminal 5 there is the Sofitel London Heathrow. Gatwick airport also has a variety of hotel options available, such as Hampton by Hilton, YOTELAIR, and Bloc Hotel.

British Airways, Iberia, Virgin Atlantic, Finnair, and Delta Air Lines all offer direct nonstop flights from Seattle to London via Heathrow Airport. Many other airlines also offer one-stop flights to London from Seattle with final destinations varying largely between Heathrow Airport, Gatwick Airport, and London City Airport.

The Heathrow Express is the fastest way to get to central London from Heathrow Airport and is conveniently connected to Terminals 2, 3, and 5. There is also a direct London Underground connection via the Piccadilly Line, for those who prefer the cheaper (but slower) method of travel.

Both airports are conveniently connected via public transport to central London with travel times roughly equal. However, if your final destination is on the south or east side of London, then Gatwick is likely the better option due to its close proximity, while Heathrow is more convenient for destinations on the west and north side.

In the last 5 days, the lowest price for a flight from Seattle to London was £253 for a one-way ticket and £566 for a return.

Seattle is served by only 1 airport and there are 2 airports in London. You will leave Seattle from Seattle/Tacoma Intl and you will be arriving in London at one of these airports: London City or London Heathrow.

All the following airlines offer inflight Wi-Fi service on the Seattle to London flight route: Delta, Virgin Atlantic, KLM, Air France, Scandinavian Airlines, American Airlines, and JetBlue.

The Boeing 787-10 Dreamliner is the aircraft model that flies most regularly on the Seattle to London flight route.

oneworld, and SkyTeam are the airline alliances operating flights between Seattle and London, with oneworld being the most commonly used for this route.

There are direct flights from Seattle to London on a daily basis.

The two airlines most popular with KAYAK users for flights from Seattle to London are Alaska Airlines and Virgin Atlantic. With an average price for the route of £764 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of £833 and an overall rating of 7.4.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to London.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Seattle with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.