Flights Seoul → London
ICN → LHR
Route overview
The flight route connects Seoul to London, operating with a mix of Boeing 777 variants including the 777-300ER and 777-200LR. The destination airport sees an annual passenger traffic of 83,884,572, highlighting its significance as a major international hub.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Seoul (ICN) → London (LHR) route is operated by British Airways. FlightGuard's average computed risk is 13.8/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At London the average ATFM delay is 1.8 minutes (main cause: atfm). Departing from Seoul the average ATFM delay is 2.0 minutes.
Heading to London: what to expect in this direction
Flying from Seoul (ICN) to London (LHR) heads north-west for about 8,861 km, a flight time of roughly 11h 30m.
Air-traffic congestion: departing Seoul the average ATFM delay is 2.0 min (atfm); arriving into London it is 1.8 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| British Airways (BA) | 77% | 17 min | 2.4% |
Airlines operating ICN-LHR
Frequently asked questions about ICN-LHR
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 London, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
