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Seattle to London flights

Why book with Opodo?
  • Cheap flights with over 660 airlines
  • Compare the best deals
  • Flights to London from £412

Cheap last minute flights to London

Latest deals and top flight routes from Seattle airports.

Departure Tue, 01 Dec Return Tue, 08 Dec
SEA Seattle
LON London
return from £412
Departure Fri, 25 Dec Return Mon, 28 Dec
SEA Seattle
LON London
return from £481
Flight route information
Find out further information on Seattle and London to help you prepare for your trip.
Currency and price comparison
Train
Local, one-way ticket
40%

Trains are 40% more expensive in London than in Seattle.

Seattle
£2.07
London
£2.8
Meal
Mid-priced restaurant
10%

The average meal is 10% more expensive in London than in Seattle.

Seattle
£13.36
London
£15
Taxi
Standard daytime start rate
50%

Taxis are 50% more expensive in London than in Seattle.

Seattle
£1.96
London
£3
Coffee
Regular cappuccino
20%

Coffee in London is 20% cheaper than in Seattle.

Seattle
£3.54
London
£3
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
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
  • ( London City (LCY)
    How far from city centre: 7 miles
  • ( Southend (SEN)
    How far from city centre: 35 miles
K Distance: 4784 miles

Search for flights from Seattle to London

Find cheap flights from Seattle to London 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 Seattle 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 Seattle to London 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 Seattle to London

😷 Is it safe to travel from Seattle to London 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 Kingdom may apply when travelling from Seattle. 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 Seattle to London?
The average price to go from Seattle to London is of 267.83 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 Seattle to London at Opodo?
The cheapest price for a flight from Seattle to London is 412£. 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 London expensive to visit compared to Seattle?
If you compare transportation prices, the taxi ride in London costs an average of 3.00 GBP, 50% more expensive than Seattle, with a fare of 2.00 GBP, while train tickets costs 32% more in London: 2.80 GBP against 2.12 GBP in Seattle. If you compare the price of a lunch meal, however, you can find it from 15.00 GBP in London, 8% more than the 13.87 GBP in Seattle. The price of the coffee is around 17% cheaper in London, with an average of 3.01 GBP, while in Seattle the coffee costs 3.61 GBP.
📉 When is the best time to book a flight from Seattle to London?
The most popular months to book a trip from Seattle to London are October, August and November, based on the searches of our customers.
📅 When is the best time to travel from Seattle to London?
The best time of the year to go to London when flying from Seattle depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, August is the top 1º month to fly to London from Seattle in terms of searches from our customer, followed by December and June. If you prefer to avoid high peaks of turism, however, and escape a crowded period, February, January and April are the months with less volume of searchs for the route Seattle -  London.
🕑 How long does the flight take to go from Seattle to London?
The total flight time between Seattle and London is of around 11:28 hours on average, considering an average distance of 9,148 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 London compared to Seattle?
While in Seattle the temperatures can reach an average of 31.31 ºC in summer, with precipitation levels up to 9.0 mm ,London's temperatures can go up to 29.01 ºC during the hot season, with 9.0 mm average of rain rate . In winter, however, weather indicators show around -3.09 ºC in London, compared to the -3.71 ºC average degrees reported in Seattle. During the winter period, Seattle can register 12.0 mm precipitation, while London have an average of 6.0 mm rain level.
🛄 Which airports have flights between Seattle and London?
The main airport route flying between Seattle and London is: Seattle All Airports (SEA) to Heathrow (LHR). This route is covered by the following airline(s): Virgin Atlantic. British Airways. Delta Air Lines. Alternatively, you can find Seattle - London flights between Seattle All Airports (SEA) to Gatwick (LGW) with the following airline(s) flying the route: Norwegian Air UK.
✈️ Which are the airlines with flights from Seattle to London?
Airlines with direct flights departing from Seattle to London are Virgin Atlantic, Norwegian Air UK and British Airways.

Heathrow - Latest customer reviews

4.0 /5
Reviews: 2
3.0 /5
Don't have a nickname
Date 2019-11-14 Age Over 70 City The Midlands, UK

Signs were not always obvious and a great deal of 'foot slogging' between terminal three and Central Coach Station. The USA usually has a shuttle train service where long distances are involved. Much more civilised.

5.0 /5
Craig P
Date 2019-07-17 Age 31-50 City UK

All good at Heathrow

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