London to Seattle flights
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Why book with Opodo?
- Cheap flights with over 660 airlines
- Compare the best deals
- Flights to Seattle from £344
Cheap last minute flights to Seattle
Latest deals and top flight routes from London airports.
Departure Mon, 17 May Return Tue, 25 May
LON London SEA Seattle return from £363
Departure Tue, 01 Jun Return Wed, 09 Jun
LON London 
SEA Seattle return from £344
Find out further information on London and Seattle to help you prepare for your trip.
Currency and price comparison
Exchange rate
1.00 GBP = 1.4 USD
British Pound Sterling US Dollar
1 USD = 0.72 GBP
Last checked on 12 May 2021
Train
Local, one-way ticket
30%
Trains in Seattle are 30% cheaper than in London.
London
£2.8
Seattle
£1.97
Meal
Mid-priced restaurant
19%
A meal in Seattle is 19% cheaper than a meal in London.
London
£15
Seattle
£12.15
Taxi
Standard daytime start rate
19%
Taxis are 19% more expensive in Seattle than in London.
London
£3
Seattle
£3.57
Coffee
Regular cappuccino
18%
Coffee is 18% more expensive in Seattle than in London.
London
£2.89
Seattle
£3.42
London airports
- Heathrow (LHR)How far from city centre: 14 miles
- Gatwick (LGW)How far from city centre: 25 miles
- Stansted (STN)How far from city centre: 30 miles
- Luton International (LTN)How far from city centre: 27 miles
- Southend (SEN)How far from city centre: 35 miles
- London City (LCY)How far from city centre: 7 miles
Seattle airports
- Seattle All Airports (SEA)How far from city centre: 11 miles
- Boeing Field International (BFI)How far from city centre: 5 miles
- Lake Union Spb (LKE)How far from city centre: 7 miles
Distance: 4784 miles
Search for flights from London to Seattle
Find cheap flights from London to Seattle with the Opodo search engine. Whether it’s on business, for a relaxing holiday or to visit loved ones, you will find all the best deals on flights from London with Opodo, featuring cheap flights by all the top low cost and standard airlines. By simply entering your preferences in our speedy search engine, a large selection of options will be returned from which you just need to select the best deal that works for you. We’ll do the rest! Alternatively, if you are flexible on dates or an early bird, discover the cheapest day to fly from London to Seattle to ensure you get the best price. Find exclusive discounts by downloading the Opodo App and subscribing to our newsletter to stay in touch with the best offers on flights, hotels and more. Finally, don’t forget to book a hotel or car hire to complete your journey, all of which you will find on Opodo, your one-stop travel shop. Then just sit back and relax and enjoy your holidays!
Frequent asked questions about flights from London to Seattle
😷 Is it safe to travel from London to Seattle during the Covid-19 situation?
At Opodo we want to make sure that your travel plans are not affected by any cancelation as well as any possible restrictions United States may apply when travelling from London. Is your flight cancelled? We've got your back! With our flexible ticket guarantee you can decide if you want to book another flight - free of rebooking fee - or get a full refund!
📊 How much are flights from London to Seattle?
The average price to go from London to Seattle is of 314.15 GBP, but bare in mind that ticket prices may vary depending on the season and on how far in advance you book.
🔍 How can I find cheap flights from London to Seattle at Opodo?
The cheapest price for a flight from London to Seattle is 344£. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
💰 Is Seattle expensive to visit compared to London?
If you compare transportation prices, the taxi ride in Seattle costs an average of 2.55 GBP, 2% cheaper than London, with a fare of 2.60 GBP, while train tickets costs 28% less in Seattle: 2.01 GBP against 2.80 GBP in London. If you compare the price of a lunch meal, however, you can find it from 12.94 GBP in Seattle, 14% less than the 15.00 GBP in London. The price of the coffee is around 19% more expensive in Seattle, with an average of 3.48 GBP , while in London the coffee costs 2.93 GBP.
📉 When is the best time to book a flight from London to Seattle?
The most popular months to book a trip from London to Seattle are July, October and December, based on the searches of our customers.
📅 When is the best time to travel from London to Seattle?
The best time of the year to go to Seattle when flying from London depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, July is the top 1º month to fly to Seattle from London in terms of searches from our customer, followed by August and September. If you prefer to avoid high peaks of turism, however, and escape a crowded period, February, January and March are the months with less volume of searchs for the route London - Seattle.
🕑 How long does the flight take to go from London to Seattle?
The total flight time between London and Seattle is of around 10:35 hours on average, considering an average distance of 8,089 km, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).
🌡️ How is the weather in Seattle compared to London?
While in London the temperatures can reach an average of 29.01 ºC in summer, with precipitation levels up to 9.0 mm ,Seattle's temperatures can go up to 31.31 ºC during the hot season, with 9.0 mm average of rain rate . In winter, however, weather indicators show around -3.71 ºC in Seattle, compared to the -3.09 ºC average degrees reported in London. During the winter period, London can register 6.0 mm precipitation, while Seattle have an average of 12.0 mm rain level.
🛄 Which airports have flights between London and Seattle?
The main airport route flying between London and Seattle is: Heathrow (LHR) to Seattle All Airports (SEA). This route is covered by the following airline(s):
- Virgin Atlantic.
- British Airways.
- Delta Air Lines.
- Alternatively, you can find London - Seattle flights between Gatwick (LGW) to Seattle All Airports (SEA) with the following airline(s) flying the route: Norwegian Air UK.
Airlines with indirect flights from London to Seattle are:
- Virgin Atlantic, with 137 minutes scale in Salt Lake City, UT.
- Virgin Atlantic, with 137 minutes scale in Salt Lake City, UT.
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