Flying from Seattle-Tacoma International Airport (SEA) to London: what you need to know
Around 10 hours 3 minutes is how long you can expect to be travelling on a direct flight from Seattle-Tacoma International Airport to London.
London is 7 hours ahead of Seattle, where Seattle-Tacoma International Airport is located. London operates on the UTC+0 timezone.
The busiest route is from Seattle-Tacoma International Airport (SEA) to London Heathrow Airport (LHR). You can choose from 37 weekly services between these two airports. If you want to get on your way as soon as you can, the earliest flight from SEA to LHR is the 13:30 British Airways option. If you'd rather fly out later on, the last departure is at 21:20 with Delta.
For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your flight from SEA to London.
If you're going away during a popular month like July, get to the airport even earlier. It's smart to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Check-in and security lines will be longer during holiday periods like spring break and summer.
You can catch a direct flight from Seattle-Tacoma International Airport to London that touches down at London Heathrow Airport (LHR).
There's a variety of airlines offering direct flights from Seattle-Tacoma International Airport to London, such as:
A stopover is the perfect opportunity to take a travel break — and maybe even explore a different city. When browsing flights from SEA to London, deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:
Vancouver International Airport (YVR)
Keflavik International Airport (KEF)
Charles de Gaulle Airport (CDG)
You won't need a visa for United Kingdom if you have a passport from United States and are visiting for tourism purposes. Visa and travel documentation requirements are subject to changes. So before reserving your cheap tickets from Seattle-Tacoma International Airport to London, check with your airline and your destination country's local embassy or consulate for the latest information.
SEA is around 23 kilometres from central Seattle. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 18 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 54 minutes.
Want a hassle-free start to your break? Stay near SEA. Whether you're catching an early flight from Seattle-Tacoma International Airport to London or want to avoid feeling rushed, these hotels are perfect:
How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to London
The lowest price we've seen for a one-way ticket from Seattle-Tacoma International Airport to London is 221 €. The cheapest price for a return flight is 439 €. Remember fares may change due to availability at the time of booking.
To pick up cheap tickets from SEA to London, reserve your trip 3 months ahead of your planned departure.
Schedule your trip for November. That's the cheapest month for tickets from Seattle-Tacoma International Airport to London. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest price across each month.
Snapping up a cheap ticket from SEA to London is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when the price has fallen.
Tailor your flights with filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Seattle-Tacoma International Airport to London.
Airports in London
London Heathrow Airport (LHR)
London Heathrow Airport (LHR) to central London is approximately 31 kilometres. It'll take you about 57 minutes to get to the centre driving.
When travelling by public transport, expect a journey of roughly 1 hour and 1 minute.
Reserve a hotel near LHR if you have a late flight from Seattle-Tacoma International Airport to London. Pick one of these accommodation options and skip the long transfer:
London Gatwick Airport (LGW)
The centre of London is approximately 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 through the terminal, expect a drive of about 1 hour and 19 minutes.
Public transport will get you there in about 1 hour and 26 minutes.
Hang the 'Do not disturb' sign on your door and relax at a hotel near LGW. Here are a few options where you can kick back after your flight from SEA to London:
Best time to go to London
It's time to work out your trip dates for your flight from Seattle-Tacoma International Airport to London. July is the most popular month to travel to London. If you prefer a more relaxed atmosphere, go in February.
Book your flight from Seattle-Tacoma International Airport to London for July to experience the city during its warmest month. You can expect temperatures to range from 11ºC to 26ºC.
Look for cheap flights from SEA to London in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.
More about London
Start your London trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Seattle-Tacoma International Airport to London, browse our range of accommodation options including:
All great adventures should include a little sightseeing. Big Ben, The British Museum and Buckingham Palace are must-visits when exploring London.
Complete your London trip with a car rental
Select one of our car rentals in London and explore the city at your leisure. Easily compare options in one go to find your ideal ride once you've booked your hotel and cheap flights from Seattle-Tacoma International Airport to London.
