LHR to SEA (London to Seattle) Flights

Last Minute Flights from LHR to SEA

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
LHRSeattleMarch 20 to April 9$1,217
*Prices include taxes and fees

Cheapest LHR to SEA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
LHRSeattleJune 2 to June 7$668
LHRSeattleApril 21 to April 29$686
LHRSeattleSeptember 1 to September 15$772
LHRSeattleSeptember 1 to September 15$779
LHRSeattleApril 15 to April 21$792
*Prices include taxes and fees
LHR to SEA Flight Details
Origin airport
Heathrow
Origin airport IATA code
LHR
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
4786 mi

Frequently asked questions

What airlines fly direct from Heathrow Airport (LHR) to SEA?
Fly with British Airways (BA). It operates 60 flights every month that jet straight from London Heathrow to Sea-Tac Airport. With 30 nonstop monthly services of its own on this air route, Delta Air Lines (DL) is another favorite.
How many flights are there from LHR to SEA?
There are about 4 flights per day from London (LHR-Heathrow) to Seattle, WA (SEA-Seattle - Tacoma Intl.), so you have no shortage of ways to get to SeaTac. Just pick out a time and date that suits your schedule and secure your fare.
How long does it take to fly from London (LHR-Heathrow) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Give some careful thought to where you'd rather sit, because the London (LHR-Heathrow) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight takes roughly 9 hours and 59 minutes. Aisle or window seats, the exit row and seats toward the front are often considered to be the best spots.
What is the flight distance from London (LHR-Heathrow) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
It's 4,800 miles (7,700 1) from London (LHR-Heathrow) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Make time go by faster on this long-haul flight by taking a well-charged smartphone or tablet full of entertainment.
How many morning flights are there from LHR to SEA?
Jet off from LHR to SEA aboard one of the 7 morning flights scheduled for takeoff every week. British Airways (BA) lists 7 of these services, the first of which departs at 9:45AM.
How many afternoon flights are there from LHR to SEA?
There are 21 afternoon and evening flights from LHR to SEA a week. Delta Air Lines (DL) has 7 weekly services after midday. With the first one taking to the skies at 3:55PM, you'll have time to check out the gift shops.
What is the earliest departure time out of Hounslow to SeaTac?
Depart LHR at 9:45AM and come in for landing at SEA at 7:30PM. This is the earliest flight you can book on this route.
What is the latest departure time out of Hounslow to SeaTac?
The latest flight takes off from LHR at 4:50PM and lands at SEA at 3:20AM. You'll have plenty of time to get ready for this journey.
What is the average price from Hounslow to SeaTac?
Flights from LHR to SEA start at around $668. Get in quick, because the best fares don't last forever! This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

London to Seattle Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from London to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from LHR to SEA, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from London to Seattle, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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