Flying from London to Seattle-Tacoma International Airport (SEA): What you need to know
You can select from numerous airports when organising a flight from London to Seattle-Tacoma International Airport (SEA). Explore your options for departing London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also service London.
Expect to be in the air for 10 hours 10 minutes. That's the average time for a direct London to Seattle-Tacoma International Airport flight.
The timezone in Seattle is UTC-7, which is seven hours behind London. Seattle-Tacoma International Airport is located in Seattle.
London Heathrow Airport (LHR) to Seattle-Tacoma International Airport (SEA) is the most popular route. There are 26 direct weekly flights to pick from. If you prefer to head out later, take the last flight with Delta Air Lines at 6:30pm. Choose the first LHR to SEA departure with British Airways at 9:25am if you want to get going earlier.
Your flight from London to SEA won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
With more travellers during high season, aim to be at your terminal even earlier. Two hours for domestic flights and up to four for international trips will allow extra time for delays.
Airports in London
London Heathrow Airport (LHR)
Reach your destination without the detour from London Heathrow Airport (LHR). Direct flights from London to Seattle-Tacoma International Airport (SEA) can be booked from here.
Top airlines that have direct flights from London to Seattle-Tacoma International Airport leaving from LHR include:
The majority of passengers choose to fly with British Airways between LHR and SEA.
Delta Air Lines is the top performer for punctuality on this route.
We make it easy to find cheap flights from London to SEA that include a stopover. To explore your options departing from London Heathrow Airport (LHR), deselect 'Direct flights only.' Next, choose a flight offering a stop long enough to tour your chosen city. Popular stopovers between LHR and SEA include:
Charles de Gaulle Airport (CDG)
Vancouver International Airport (YVR)
Keflavik International Airport (KEF)
Located around 31 kilometres from central London, LHR can be reached in about 55 minutes by car, depending on traffic. The journey by public transport is roughly 1 hour.
Looking for a comfortable hotel near London Heathrow Airport? If you've booked an early flight from London to Seattle-Tacoma International Airport, these accommodation options will have you sleeping moments from your departure gate:
68.18% of flights that take off from London Heathrow Airport arrive at their destination on time.
London Gatwick Airport (LGW)
Tick a new place off your list or just take some time to unwind with a stopover. If you'd like to split up your flight from London to Seattle-Tacoma International Airport, browse these options when heading out from London Gatwick Airport:
Charles de Gaulle Airport (CDG)
Vancouver International Airport (YVR)
Keflavik International Airport (KEF)
Using public transport, you can travel from central London to LGW in around 30 minutes. The terminal is roughly 80 kilometres away, and making the trip by car takes approximately 1 hour 20 minutes.
Get a head start on your holiday with an extra night away from home. Before your London to SEA flight, stay in one of these hotels close to London Gatwick Airport:
When it comes to keeping flights punctual, London Gatwick Airport has an on-time arrival performance of 69.26%.
Stansted Airport (STN)
You can lock in a plane ticket from London to Seattle-Tacoma International Airport (SEA) with a stop or two out of Stansted Airport (STN). These are some of the most popular stopovers between STN and SEA:
Amsterdam Airport Schiphol (AMS)
Dublin Airport (DUB)
Keflavik International Airport (KEF)
From central London, STN is around 64 kilometres away. It takes roughly 1 hour to arrive by car and 1 hour 25 minutes or so on public transport.
Rest a little longer, move a little slower, and still make your London to Seattle-Tacoma International Airport flight without having to rush. These accommodation options near Stansted Airport make departure day effortless if you're flying out early:
Flights departing from STN touch down at their destination within the scheduled time frame 64.73% of the time.
About Seattle-Tacoma International Airport (SEA)
Have a late flight from London to Seattle-Tacoma International Airport? Don't let it rob you of real rest. Check in to one of these hotels near SEA and turn out the lights sooner:
Explore without limits with a Seattle-Tacoma International Airport rental car. Pick up your wheels from Thrifty, Europcar or Budget and discover more of Seattle and beyond.
Lock in the best possible rate by booking your ride around one week ahead of your London to Seattle-Tacoma International Airport flight.
Getting from Seattle-Tacoma International Airport (SEA) to central Seattle
Seattle-Tacoma International Airport to central Seattle is roughly 18 kilometres. If you're taking a cab or renting a car, do some research to make your trip as easy as possible. Journey times can vary based on the time of day and traffic conditions.
When travelling on public transport, expect a journey of about 55 minutes.
How to find the cheapest flights from London to Seattle-Tacoma International Airport (SEA)
The lowest price we've found for a one-way ticket from London to Seattle-Tacoma International Airport is R 5,805. For a return flight on this route, the best price is R 9,100. Depending on when and how early you book, these fares may change.
To find cheap flights from London to SEA, book in advance. Airlines tend to offer lower fares when flights are first released.
Cheap London to Seattle-Tacoma International Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' search function to compare fares across every month and then pick the cheapest day.
Save time looking for cheap plane tickets from London to SEA by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.
Hunt down a great price on a flight from London to Seattle-Tacoma International Airport with the help of the filters. Pick your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'
The best time to fly from London to Seattle-Tacoma International Airport (SEA)
May is the quietest month for flights from London to Seattle-Tacoma International Airport (SEA), while July is the busiest. Find the best time to go to Seattle based on whether you want a laid-back vibe or a more bustling atmosphere.
The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your London to SEA plane ticket then if that's your ideal forecast.
February sees temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap tickets from London to Seattle-Tacoma International Airport around that time if you want to travel in cooler conditions.
More about Seattle
Once you've booked your flight from London to Seattle-Tacoma International Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Seattle:
Pike Place Market and Space Needle are just the start of the major attractions to add to your Seattle travel itinerary. Keep the adventure rolling by checking out Seattle Skyline.
Explore more of the United States
Seattle has plenty going for it, but there are so many other corners of the United States waiting to be discovered. About 209 kilometres south of Seattle, a visit to Portland will fill your itinerary to the brim. Check out popular attractions like Portland Japanese Garden, Voodoo Doughnut and Great Northwest.
If you want to check out another well-known destination in the United States, head for Vancouver, roughly 209 kilometres south of Seattle. Vancouver Waterfront, Reconstructed HBC Fort Vancouver and Fort Vancouver National Historic Site Garden are the start of reasons to visit.
