Flights operate between London (LHR) and SeaTac (SEA).
3 airlines operate this route with 2-4 flights daily flights.
Average flight time is 9h 00m - 10h 38m.
Route distance is 4812 miles (7743 km).
Route Distance
4812 miles (7743 km)
Average Duration
9h 00m - 10h 38m
Airlines Operating This Route
Delta Air Lines, Virgin Atlantic, British Airways
Flight Frequency
Daily Flights
2-4 flights
Weekly Flights
21
Typical Departure Time Ranges
Earliest Departure
12:20
Latest Departure
14:55
Flight Schedule & Filters
Flight Schedule Calendar
Loading calendar...
Direct (non-stop) flights from London (LHR) to SeaTac (SEA)
Direct (non-stop) flights operate between London (LHR) and SeaTac (SEA). This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 9h 00m - 10h 38m (average flight time)• Distance: 4812 miles (7743 km) (air miles between airports)• Daily Flights: 2-4 flights (scheduled departures per day)
London (LHR)
GB
SeaTac (SEA)
US
FLIGHT TIME
9h 00m - 10h 38m
FLIGHT DISTANCE
4812 miles (7743 km)
10h 0m - 10h 38m
12:20
14:55
4812 miles (7743 km)
March
3 (Show)
21
Flight Schedule
Loading calendar...
Airlines with direct flights from London (LHR) to SeaTac (SEA)
Weather at SeaTac (SEA)
Loading weather charts...
Frequently Asked Questions
Do flights operate between LHR and SEA?
Yes. 3 direct flights operate between London (LHR) and Seattle (SEA).
Which airlines operate this route?
3 airlines operate this route: Delta Air Lines, Virgin Atlantic, British Airways.
How many flights operate daily?
2-4 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 9h 00m - 10h 38m.
Is this route operated year-round?
This route operates with 2-4 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.