Flying from Seattle-Tacoma International Airport (SEA) to London: what you need to know
Expect to be in the air for 10 hours 10 minutes. On average, that's the duration of a direct flight from Seattle-Tacoma International Airport to London.
The timezone in London is UTC+0. The city is seven hours ahead of Seattle, where Seattle-Tacoma International Airport is located.
The most popular route is from Seattle-Tacoma International Airport (SEA) to London Heathrow Airport (LHR). Choose from 26 services every week between these two airports. If you want to head off as soon as possible, the earliest flight from SEA to LHR is the 13:30 British Airways service. If you'd rather fly out later on, the final departure is at 20:25 with Delta Air Lines.
To avoid missing your SEA to London flight, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.
Heading away during a peak period like public or school holidays? Expect longer queues at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.
Direct Seattle-Tacoma International Airport to London tickets are available for booking. London Heathrow Airport (LHR) is where you'll be touching down.
You can choose from a variety of carriers that operate direct flights from Seattle-Tacoma International Airport to London, including:
We make it simple to book flight tickets from SEA to London with a stopover. To see the options, uncheck 'Direct flights only.' Next, pick a flight with a stop long enough to explore the city of your choice. Well-traveled stopover hubs include:
Amsterdam Airport Schiphol (AMS)
Frankfurt Airport (FRA)
Charles de Gaulle Airport (CDG)
Located around 18 kilometres from the centre of Seattle, SEA can be reached in about 20 minutes by car (depending on traffic). The journey on public transport takes roughly 55 minutes.
Want a leisurely start to your vacation? Stay near SEA. Whether you've booked an early flight from Seattle-Tacoma International Airport to London or just don't like being rushed, these hotels put convenience first:
Seattle-Tacoma International Airport scores top marks for on-time performance. 81.27% of flights that depart SEA reach their destination on time.
How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to London
C$280 is currently the best price for a one-way Seattle-Tacoma International Airport to London flight. A return flight ticket starts at C$622. These fares may change based on availability.
Score cheap flights from SEA to London by booking seven months ahead. Based on our research, that's the sweet spot for finding a bargain.
Schedule your trip for November. That's the best month for landing an incredible deal on Seattle-Tacoma International Airport to London tickets. If you're flexible on when you fly, use the 'Whole month' tool to access the lowest price across every month.
Locking in a cheap flight from SEA to London couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch as soon as a new discount appears.
Save on your flight from Seattle-Tacoma International Airport to London with the help of our filters. Choose your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.
Airports in London
London Heathrow Airport (LHR)
London Heathrow Airport (LHR) to central London takes around 55 minutes by car. The centre is roughly 31 kilometres away.
When travelling by public transport, expect a journey time of around 1 hour.
The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Seattle-Tacoma International Airport to London. Check in to one of these accommodation options near LHR instead:
Grab a London Heathrow Airport rental car and explore London and beyond with your own wheels. Surprice, U-Save and Green Motion are leading providers you can book with here.
Booking your vehicle from London Heathrow Airport around one week before your flight from SEA to London can help you secure the lowest rate.
London Gatwick Airport (LGW)
The centre of London is located around 80 kilometres from London Gatwick Airport (LGW). After your flight from Seattle-Tacoma International Airport to London has touched down and you've made your way out of the airport, the drive should take about 1 hour 20 minutes.
If you travel by public transport, you'll get to the city centre in 30 minutes or so.
Hang up the 'Do not disturb' sign and relax at a hotel near LGW. Here are a few options where you can check in after your SEA to London flight:
Green Motion, U-Save and Drivalia make picking up a London Gatwick Airport rental car simple. These reliable suppliers are located in or around the terminal and will get you on your way in no time.
Get what you want, not just what's left over. Booking your ride from LGW three weeks ahead of time often means lower prices and a greater range of vehicles.
Stansted Airport (STN)
Find your way to the city centre after your flight from Seattle-Tacoma International Airport to London has landed. Central London is around 64 kilometres from Stansted Airport (STN) and takes roughly 1 hour to reach by cab or ride-share.
Public transport can take you there in around 1 hour 25 minutes.
Choose a hotel close to STN and go from the plane to your bed in a flash. Whether you're coming in on a late SEA to London flight or just want to keep your travel plans simple, these accommodation options are all about convenience:
Begin your journey without worrying about how to reach your next stop with a Stansted Airport rental car. You can book with trusted companies here like Green Motion, Drivalia and Europcar.
About four weeks ahead of your flight from Seattle-Tacoma International Airport to London is the ideal time to secure your vehicle from STN. You're more likely to get a better rate or even pick up some early bird discounts.
Best time to go to London
Carefully consider your travel dates before securing your flight from Seattle-Tacoma International Airport to London. The city buzzes during peak season, but hotel prices are usually higher and attractions can get crowded. Visit London in the low season if you want a more relaxed vibe.
Before locking in your Seattle-Tacoma International Airport to London flight ticket, think about the kind of weather forecast you're hoping for. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
If you'd rather travel in cooler conditions, search for a cheap ticket from SEA to London in January when temperatures average between 0ºC (32ºF) and 9ºC (48ºF).
More about London
When it comes to looking for somewhere to rest your head, you'll find the best places to stay in London right here. Check out these hotels as soon as you've booked your flight from Seattle-Tacoma International Airport to London:
All great journeys should include some sightseeing. The British Museum, Big Ben and Buckingham Palace are essential stops on your London itinerary.
Explore more of United Kingdom
London has plenty to offer, but there are so many other corners of United Kingdom you'll want to see. Around 161 kilometres north-west of London, a trip to Birmingham will fill your itinerary to the brim. Start with leading sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.
Bristol is another well-known destination in United Kingdom and is around 177 kilometres west of London. No trip is complete without visiting Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.
