Flights London → Seoul
LHR → ICN
How long is the flight from London to Seoul?
The flight from London (LHR) to Seoul (ICN) takes about 11h 30m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
The flight route connects London to Seoul, operating with a mix of Boeing 777 variants including the 777-300ER and 777-200LR. The destination airport in Seoul sees over seventeen million passengers annually, underscoring its significance as a major hub for international travel.
The London (LHR) → Seoul (ICN) route is operated by British Airways. FlightGuard's average computed risk is 11/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seoul the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from London the average ATFM delay is 1.8 minutes.
Heading to Seoul: what to expect in this direction
Flying from London (LHR) to Seoul (ICN) heads north-east for about 8,861 km, a flight time of roughly 11h 30m.
Air-traffic congestion: departing London the average ATFM delay is 1.8 min (atfm); arriving into Seoul it is 2.0 min (atfm).
Route facts
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| British Airways (BA) | 66% | 31 min | 1.3% |
Airlines operating LHR-ICN
Frequently asked questions about LHR-ICN
The flight from London (LHR) to Seoul (ICN) takes about 11h 30m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 1 airline: British Airways.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Seoul, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
The London-Seoul route is about 8,861 km: for a cancellation (with less than 14 days' notice), a delay over 3 hours, or denied boarding, UK261 compensation is £520, barring extraordinary circumstances.
