Flights operate between Seattle (SEA) and London (LHR).
3 airlines operate this route with 2-4 flights daily flights.
Average flight time is 9h 15m - 10h 50m.
Route distance is 4812 miles (7743 km).
Route Distance
4812 miles (7743 km)
Average Duration
9h 15m - 10h 50m
Airlines Operating This Route
Delta Air Lines, British Airways, Virgin Atlantic
Flight Frequency
Daily Flights
2-4 flights
Weekly Flights
21
Typical Departure Time Ranges
Earliest Departure
16:48
Latest Departure
19:20
Flight Schedule & Filters
Flight Schedule Calendar
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Direct (non-stop) flights from SeaTac (SEA) to London (LHR)
Direct (non-stop) flights operate between SeaTac (SEA) and London (LHR). This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 9h 15m - 10h 50m (average flight time)• Distance: 4812 miles (7743 km) (air miles between airports)• Daily Flights: 2-4 flights (scheduled departures per day)
SeaTac (SEA)
US
London (LHR)
GB
FLIGHT TIME
9h 15m - 10h 50m
FLIGHT DISTANCE
4812 miles (7743 km)
9h 30m - 9h 42m
16:48
19:20
4812 miles (7743 km)
March
3 (Show)
21
Flight Schedule
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Airlines with direct flights from SeaTac (SEA) to London (LHR)
Weather at London (LHR)
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Frequently Asked Questions
Do flights operate between SEA and LHR?
Yes. 3 direct flights operate between Seattle (SEA) and London (LHR).
Which airlines operate this route?
3 airlines operate this route: Delta Air Lines, British Airways, Virgin Atlantic.
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 15m - 10h 50m.
Is this route operated year-round?
This route operates with 2-4 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.