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

24 nonstop flights a week from Seattle-Tacoma International (SEA) to London Heathrow (LHR) with 4 airlines, 9h 15m to 9h 50m in the air, 4,786 mi (7,703 km). Departures from 13:30 to 18:45.

Flights from Seattle to London

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Seattle to London

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

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

flights a week
24
flights today
4
airlines
4
flight time
9h 15m - 9h 50m
distance
4,786 mi (7,703 km)
first and last departure
13:30 - 18:45
arrival terminals
3, 5

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

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

FlightDepartsArrivesDurationDaysAircraft
BA 52
British Airways
13:30 Seattle-Tacoma International
07:00 London Heathrow, terminal 5
9h 30m
Tue
Boeing 787
BA 52
British Airways
13:40 Seattle-Tacoma International
07:10 London Heathrow, terminal 5
9h 30m
Thu, Sat
Boeing 787
DL 20
Delta
16:50 Seattle-Tacoma International
10:40 London Heathrow, terminal 3
9h 50m
Daily
Airbus A330-200
AS 100
Alaska Airlines
18:45 Seattle-Tacoma International
12:20 London Heathrow, terminal 3
9h 35m
Daily
Boeing 787-900
BA 48
British Airways
18:45 Seattle-Tacoma International
12:10 London Heathrow, terminal 5
9h 25m
Daily
Boeing 777-300ER

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 17 December.

FlightDepartsArrivesDurationDaysAircraft
AS 100
Alaska Airlines
18:55 Seattle-Tacoma International
12:20 London Heathrow, terminal 3
9h 25m
Seasonal
Boeing 787-900
DL 20
Delta
16:55 Seattle-Tacoma International
10:40 London Heathrow, terminal 3
9h 45m
Seasonal
Airbus A330-200
AS 100
Alaska Airlines
18:40 Seattle-Tacoma International
12:20 London Heathrow, terminal 3
9h 40m
Seasonal
Boeing 787-900
DL 20
Delta
17:00 Seattle-Tacoma International
10:40 London Heathrow, terminal 3
9h 40m
Seasonal
Airbus A330-200
DL 20
Delta
18:00 Seattle-Tacoma International
10:40 London Heathrow, terminal 3
9h 40m
Seasonal
Airbus A330-200
AS 100
Alaska Airlines
19:40 Seattle-Tacoma International
12:20 London Heathrow, terminal 3
9h 40m
Seasonal
Boeing 787-900
BA 48
British Airways
19:45 Seattle-Tacoma International
12:10 London Heathrow, terminal 5
9h 25m
Seasonal
Boeing 787
BA 52
British Airways
14:30 Seattle-Tacoma International
07:00 London Heathrow, terminal 5
9h 30m
Seasonal
Boeing 787
BA 52
British Airways
14:40 Seattle-Tacoma International
07:10 London Heathrow, terminal 5
9h 30m
Seasonal
Boeing 787
BA 48
British Airways
20:20 Seattle-Tacoma International
13:45 London Heathrow, terminal 5
9h 25m
Seasonal
Boeing 777-300ER
AS 100
Alaska Airlines
21:35 Seattle-Tacoma International
15:05 London Heathrow, terminal 3
9h 30m
Seasonal
Boeing 787-900
DL 20
Delta
21:50 Seattle-Tacoma International
15:35 London Heathrow, terminal 3
9h 45m
Seasonal
Airbus A330-900
BA 52
British Airways
13:35 Seattle-Tacoma International
06:50 London Heathrow, terminal 5
9h 15m
Seasonal
Boeing 787
VS 106
Virgin Atlantic
15:00 Seattle-Tacoma International
08:50 London Heathrow, terminal 3
9h 50m
Seasonal
Airbus A330-900
AS 100
Alaska Airlines
21:30 Seattle-Tacoma International
15:05 London Heathrow, terminal 3
9h 35m
Seasonal
Boeing 787-900

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

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

Nonstop flights a week by the current schedule

Frequently asked questions

How many nonstop flights are there from Seattle-Tacoma International (SEA) to London Heathrow (LHR)?
24 nonstop flights a week by the current schedule, 5 flight numbers, 4 today.
How long is the flight from Seattle-Tacoma International (SEA) to London Heathrow (LHR)?
From 9 hours 15 minutes to 9 hours 50 minutes nonstop, depending on the flight.
Which airlines fly nonstop from Seattle-Tacoma International (SEA) to London Heathrow (LHR)?
British Airways (10 a week), Alaska Airlines (7 a week), Delta (7 a week) and Virgin Atlantic.
Which terminals are used between Seattle-Tacoma International (SEA) and London Heathrow (LHR)?
Flights depart from Seattle-Tacoma International and arrive at London Heathrow, terminals 3, 5.
How far is London Heathrow (LHR) from Seattle-Tacoma International (SEA)?
4,786 mi (7,703 km) in a straight line.
What are the earliest and latest flights from Seattle-Tacoma International (SEA) to London Heathrow (LHR)?
The first departure is at 13:30 (British Airways), the last at 18:45 (British Airways), local time.