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LHR–SEA · Nonstop
London (London Heathrow Airport) to Seattle (Seattle-Tacoma International Airport).
The estimated flight time from London (LHR) to Seattle (SEA) is about 10h 27m, covering 4,786 miles. British Airways, Delta Air Lines, Alaska Airlines and 1 more fly the route nonstop with 5-6/day departures, from 00:24 to 18:30 local time.
Plan this route| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~10h 27m Estimated from great-circle distance — no tracked flights yet. | 4,786 mi | Nonstop | 5-6/day From the current provider sample; confirm live timetables before booking. | International |
British Airways, Delta Air Lines, Alaska Airlines and 1 more operate 5-6/day flights from LHR to SEA. Terminal assignments in the captured sample are not confirmed for your flight; check the airline before travel.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| British Airways | 1-2/day | Boeing 777, Boeing 787 · Airline terminal guide (confirm for your flight) · Seat map | 09:5016:30 |
| Delta Air Lines | 1-2/day | Airbus A330 · Airline terminal guide (confirm for your flight) · Seat map | 00:2401:0401:4202:1302:4217:4518:30 |
| Alaska Airlines | 1/day | Boeing 787 · Airline terminal guide (confirm for your flight) | 14:0017:00 |
| Virgin Atlantic | 1/day | Airbus A330 · Airline terminal guide (confirm for your flight) · Seat map | 11:40 |
Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for LHR, refreshed on a rolling basis. Frequency uses 39 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
The estimated flight time from London (LHR) to Seattle (SEA) is about 10h 27m, based on the 4,786-mile flying distance.
London (LHR) to Seattle (SEA) is about 4,786 miles by air.
Yes. British Airways, Delta Air Lines, Alaska Airlines and 1 more fly nonstop from London (LHR) to Seattle (SEA), with 5-6/day departures.
British Airways, Delta Air Lines, Alaska Airlines, and Virgin Atlantic fly nonstop from London (LHR) to Seattle (SEA).
The LHR–SEA route is flown with Airbus A330, Boeing 777, Boeing 787.