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Direct flights from London Heathrow (LHR) to Seattle-Tacoma International (SEA)

24 nonstop flights a week from London Heathrow (LHR) to Seattle-Tacoma International (SEA) with 4 airlines, 9h 45m to 10h 30m in the air, 4,786 mi (7,703 km). Departures from 09:25 to 14:55.

Flights from London to Seattle

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London Heathrow (LHR) to Seattle-Tacoma International (SEA) at a glance

flights a week
24
airlines
4
flight time
9h 45m - 10h 30m
distance
4,786 mi (7,703 km)
first and last departure
09:25 - 14:55
departure terminals
3, 5

London Heathrow (LHR) to Seattle-Tacoma International (SEA) flight schedule

24 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
BA 53
British Airways
09:25 London Heathrow, terminal 5
11:25 Seattle-Tacoma International
10h
Tue, Thu, Sat
Boeing 787
DL 21
Delta
12:20 London Heathrow, terminal 3
14:50 Seattle-Tacoma International
10h 30m
Daily
Airbus A330-200
AS 101
Alaska Airlines
14:45 London Heathrow, terminal 3
17:00 Seattle-Tacoma International
10h 15m
Daily
Boeing 787-900
BA 49
British Airways
14:55 London Heathrow, terminal 5
16:50 Seattle-Tacoma International
9h 55m
Daily
Boeing 777-300ER

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 28 March.

FlightDepartsArrivesDurationDaysAircraft
BA 53
British Airways
09:50 London Heathrow, terminal 5
11:35 Seattle-Tacoma International
9h 45m
Seasonal
Boeing 787
VS 105
Virgin Atlantic
10:50 London Heathrow, terminal 3
13:10 Seattle-Tacoma International
10h 20m
Seasonal
Airbus A330-900
BA 49
British Airways
16:30 London Heathrow, terminal 5
18:25 Seattle-Tacoma International
9h 55m
Seasonal
Boeing 777-300ER
AS 101
Alaska Airlines
17:00 London Heathrow, terminal 3
19:10 Seattle-Tacoma International
10h 10m
Seasonal
Boeing 787-900
DL 21
Delta
17:45 London Heathrow, terminal 3
20:03 Seattle-Tacoma International
10h 18m
Seasonal
Airbus A330-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seattle is 8 hours behind London.

Airlines flying London Heathrow (LHR) to Seattle-Tacoma International (SEA)

Nonstop flights a week by the current schedule

British Airways10 a week Alaska Airlines7 a week Delta7 a week Virgin Atlantic

Frequently asked questions

How many nonstop flights are there from London Heathrow (LHR) to Seattle-Tacoma International (SEA)?
24 nonstop flights a week by the current schedule, 5 flight numbers.
How long is the flight from London Heathrow (LHR) to Seattle-Tacoma International (SEA)?
From 9 hours 45 minutes to 10 hours 30 minutes nonstop, depending on the flight.
Which airlines fly nonstop from London Heathrow (LHR) to Seattle-Tacoma International (SEA)?
British Airways (10 a week), Alaska Airlines (7 a week), Delta (7 a week) and Virgin Atlantic.
Which terminals are used between London Heathrow (LHR) and Seattle-Tacoma International (SEA)?
Flights depart from London Heathrow, terminals 3, 5 and arrive at Seattle-Tacoma International.
How far is Seattle-Tacoma International (SEA) from London Heathrow (LHR)?
4,786 mi (7,703 km) in a straight line.
What are the earliest and latest flights from London Heathrow (LHR) to Seattle-Tacoma International (SEA)?
The first departure is at 09:25 (British Airways), the last at 14:55 (British Airways), local time.