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Cheap SEA to LHR Flights

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







Cheap SEA to LHR Flights

Question : How much is a plane ticket to London (LHR) from Seattle (SEA)?
Answer : Cost can range anywhere from $456 to $9,549, prices for SEA to LHR do change a lot more than most routes from the United States. However, usually the sooner you book, the better the price.

Question : Which airline has the least delays from Seattle to London?
Answer : Booking with Delta Air Lines means you will arrive to London pretty close to the time your ticket states. In fact, this timely airline has an 88% average on-time average.

Question : How much time do people spend in London?
Answer : The average time spent in London by passengers from Seattle is about two weeks. However long you decide to stay, give yourself plenty of time to see what makes London fantastic.

Question : How long is the flight from SEA to LHR?
Answer : If you're able to take the direct flight (which is offered by British Airways), you will be able to leave SEA at 1:45 PM PST and get to LHR at 7:05 AM GMT (nine hours and 20 minutes). Remember, there is a time change of eight hours.

Question : How long does it take to fly from Seattle to London?
Answer : Flying from SEA to LHR typically takes about nine hours and 20 minutes. Remember, there is an eight-hour time change.

Question : What is the cheapest airline flying from Seattle to London?
Answer : Icelandair strives to keep costs down for travelers over the next three months. Fares are being booked at just $456 and, when compared to the higher priced bookings of $9,549, it's a terrific deal.

Question : From Seattle to London, which day is going to have the most flight times?
Answer : With six total flight time options, Saturday provides the most flexibility from SEA to LHR. Wednesday currently offers the fewest number of flight times with four options.

Seattle to London Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to London will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring London.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at, we’ll pair you up with SEA to LHR flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LHR with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.