The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from London to Seattle

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of December. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

Filter by

week: Dec 7 - Dec 13

Flights from just €371

€692

€394

€410

€371

€505

OctoberNovemberDecember

Distance: 7,700 km

London airports

Gatwick Airport (LGW)How far from city centre: 40 km

Heathrow Airport (LHR)How far from city centre: 23 km

London Luton Airport (LTN)How far from city centre: 44 km

London Stansted Airport (STN)How far from city centre: 49 km

London City Airport (LCY)How far from city centre: 12 km

Seattle airports

Seattle-Tacoma International Airport (SEA)How far from city centre: 18 km

Book your flight from London to Seattle

Find direct and indirect flights from London to Seattle (United States) with eDreams. Once you have your results, sort them by schedule or price and book the option that best suits your plans.

The lowest fare booked on this route in recent days was €363, though the price you see will depend on your travel dates and departure times.

A direct flight from London to Seattle takes around 13 h and 52 m, while indirect flights will take longer.

Airports and airlines connecting London and Seattle

Knowing where you set off from and where you arrive helps you organise your journey better. Consider the available airports and compare the different airlines operating on this route.

Departure airport: Gatwick Airport (LGW)
Arrival airport: Seattle-Tacoma International Airport (SEA)

Weather in Seattle

The best time to visit may depend on your preferred climate. In Seattle, the average temperature floats around 23ºC in the warmest months and 2ºC in the coldest ones. Keep this in mind when packing and planning any outdoor activities.

Highs: up to 25ºC
Lows: down to 2ºC
Hottest month: August
Coldest month: December
Driest month: July
Wettest month: November

How to save when flying from London to Seattle

A few tips for finding cheaper flights from London to Seattle:

Flexible dates: compare fares for two or three different departure days. Leaving a day earlier or later can make a noticeable difference to the price.
Baggage allowance: check what each fare includes before you book, so you aren't caught out by extra charges at the airport.
Airports on your route: confirm which airports you depart from and land at, especially if the city has more than one. This will help you plan your transfer and work out the total cost of getting around.

Looking for a bigger saving? Book a Flight + Hotel package to combine both in one booking and unlock exclusive discounts on your stay in Seattle. You can also save on a hire car by including it with your booking.

Frequently asked questions about flights from London to Seattle

On average, what is the price of a London to Seattle flight?

When flying from London to Seattle the average price will be €831. However, this price is dependant on several other factors like seasonality or the time in advance taken when booking the route.

For flights from London to Seattle, how can I find the cheapest price?

On eDreams we use machine learning to find the most economical flight between London and Seattle. By taking into account the combinations of airlines, stopovers, direct flights as well as the various criteria for the journeys, our search engine allows us to offer our customers the best price under the best conditions.

When booking, when is the best time to do so in order to get the best prices for London to Seattle flights?

The most popular month for flights from London to Seattle are: November, December and January.

When is the best time to travel from London to Seattle?

A good period of the year to visit Seattle from London really depends on lots of personal preferences, price being one of the main criteria When it comes to popularity, June is the best month to fly to Seattle from London, basedd on searches from our customers, followed by September and August. If you prefer to avoid the busy season and get away from the crowds March, May and October are the months with fewer searches for the route London - Seattle.

What is the duration of a flight from London to Seattle?

Flight time, on average, from London to Seattle is usually 11 h and 10 m on average, at an average distance of 7,699.5 km, for flights for the route (which may have 1 or more stops in other cities in between).

Which airports have flights between London and Seattle?

The most common route form London to Seattle is: Gatwick Airport (LHR) to Seattle-Tacoma International Airport(SEA). These airlines fly this route:

What airlines fly from London to Seattle?

Airlines that have direct flight routes from London to Seattle are:

Virgin Atlantic.
Klm Royal Dutch Airlines.
Virgin Atlantic.

Condor

Icelandair
Klm Royal Dutch Airlines

Plan your trip

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