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Cheap Flights from London to Seattle $547.49

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Cheapest Flights from London to Seattle (LHR to SEA)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from London to Seattle (LHR to SEA)

Question : What is the fastest flight from LHR to SEA?
Answer : British Airways can get you there in nine hours and 50 minutes. So, if you were to leave London at 8:45 AM BST, you would arrive in Seattle at 10:35 AM PDT (remember, there is an eight-hour time change).

Question : How many days should you spend in Seattle?
Answer : Passengers from LHR to SEA stay 16 days on average.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Since low prices are preferred, look at Apr 28th. As of Apr 24th, it's showing the cheapest ticket sales at $748. That is 32% below the average price for this route, so you can spend that extra money on an adventure in Seattle.

Question : What's the likelihood of you being delayed on this route?
Answer : LHR to SEA currently scores 2 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 2 stars, you should feel rather worried about getting to Seattle on time.

Question : About how long is the flight from London to Seattle?
Answer : When flying from LHR to SEA, it will take 10 hours and three minutes on average.

Question : What is the likelihood your flight will be delayed for this route?
Answer : This particular route gets passengers to Seattle-Tacoma International Airport on time 77% of the time, which puts it in the 46th percentile worldwide. When there is a delay, it averages less than 15 minutes.

Question : If having the most departure times is important to you, is there a particular day that offers the most options?
Answer : Saturday has the greatest variety of flight times for London to Seattle with three. Wednesday currently offers the least amount of flight times with two options.