Flying from London to Seattle: what you need to know
London has plenty of airports where you can jet off on adventures. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organising your flight from London to Seattle. Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the other main bases in the city.
Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base (LKE) are Seattle's major gateways.
10 hours 3 minutes is the average journey time for a direct flight from London to Seattle. Following the UTC-7 timezone, Seattle is 7 hours behind London.
With 38 weekly flights between the two airports, London Heathrow Airport (LHR) to Seattle-Tacoma International Airport (SEA) is the most popular route. Board the earliest flight from London to Seattle with British Airways at 09:25. If you prefer to make the most of your day before flying, the last flight from LHR to SEA is with Delta Air Lines at 16:50.
Give yourself enough time to get on your flight from London to Seattle. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.
Longer lines at security and check-in are more likely if you're flying during high season, so allow a little extra breathing room. A good general rule for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.
If you hold a passport from United Kingdom, you will need an ETA to visit United States. This applies if you're booking a cheap flight from London to Seattle for tourism purposes. The rules may be different if you're travelling for business or other reasons. Always check the visa rules before you book and certainly before you fly.
Flying from London
London Heathrow Airport (LHR)
You can book a nonstop flight from London to Seattle leaving from London Heathrow Airport (LHR). Begin your journey at LHR and end it at Seattle-Tacoma International Airport (SEA).
At LHR, you can choose from various airlines that operate direct flights from London to Seattle, including:
Stopovers are the perfect opportunity to break up your trip — and perhaps even tour another city. When browsing flights from London to Seattle leaving from London Heathrow Airport, uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:
Keflavik International Airport (KEF)
Vancouver International Airport (YVR)
Charles de Gaulle Airport (CDG)
Travelling from central London to LHR takes around 1 hour and 1 minute on public transport. If you ride-share, drive or get a cab, you'll cover the 31 kilometres in 57 minutes or so, depending on traffic conditions.
Looking for a convenient hotel close to London Heathrow Airport? If you're catching an early flight from London to Seattle, these accommodation options will have you moments from your departure gate:
London Gatwick Airport (LGW)
Visit friends or family or just take a moment to recharge with a stopover. If you'd like to break up your flight from London to Seattle, check out these options when leaving from London Heathrow Airport:
Keflavik International Airport (KEF)
Vancouver International Airport (YVR)
Charles de Gaulle Airport (CDG)
With public transport, you can travel from central London to LGW in around 1 hour and 26 minutes. The terminal is roughly 80 kilometres away, and getting there by car will take approximately 1 hour and 19 minutes.
Want to enjoy an extra night away before boarding your flight from London to Seattle? Relax in a hotel near London Gatwick Airport before your holiday officially starts. These stays are calling your name:
Arriving in Seattle
Seattle-Tacoma International Airport (SEA)
Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It takes around 18 minutes to reach the centre driving.
It takes roughly 54 minutes when travelling by public transport.
The last thing you want is a long journey to your hotel if you're arriving on a late flight from London to Seattle. Stay at one of these accommodation options near SEA instead:
Lake Union Sea Plane Base Airport (LKE)
Lake Union Sea Plane Base Airport (LKE) is about 3 kilometres from central Seattle. Following your flight from London to Seattle, allow for a drive time of approximately 11 minutes to reach the heart of the city.
You can also opt for public transport, which will take around 23 minutes.
After your flight from London to Seattle, unwind at a hotel close to LKE. These are some comfortable options that'll help you slip into relaxation mode:
How to find the cheapest flights from London to Seattle
The cheapest price we've seen for a one-way ticket from London to Seattle is ر.ق. 892. For a return flight on this route, the best price is ر.ق. 1,701. Depending on when and how early you book, these fares can change.
To snag cheap tickets from London to Seattle, reserve your trip 9 months before your planned departure.
May is the cheapest month for flight tickets from London to Seattle. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.
Locking in a cheap ticket from London to Seattle is easy with Price Alerts. Simply create one of these automatic alerts and we'll notify you when the price has fallen.
Use filters to tailor your flights from London to Seattle. Pick your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.
Best time to go to Seattle
July is the most popular month for flights from London to Seattle. To steer clear of the crowds, go to Seattle in May.
Lock in your flight from London to Seattle for August if you want to explore the city during its warmest month. You can expect temperatures in Seattle to range from 12ºC to 28ºC.
Look for cheap tickets from London to Seattle in February if you like cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.
More about Seattle
When it comes to searching for somewhere to lay your head, you'll find the top stays in Seattle right here. Browse these hotels after locking in your flight from London to Seattle:
There are so many things to discover in this city it can be difficult to know where to start. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are highlights which should feature on any good Seattle itinerary.
Complete your Seattle trip with a car rental
We use the same magic that helped you find your cheap flight from London to Seattle to track down amazing deals on car rentals. Search for your ride in seconds and compare offers in one place. Plus you'll find all the info you need to drive in Seattle, from the most popular car rental to the best time to book.
