AirHint found the following cheapest one-way flights from London (LGW) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 14 Dec | Wizz Air UK | ||
| 15 Dec | easyJet | ||
| 05 Dec | China Eastern | ||
| 03 Dec | China Eastern | ||
| 09 Dec | Vueling Airlines | ||
| 04 Dec | easyJet | ||
| 08 Dec | easyJet | ||
| 29 Dec | Ryanair | ||
| 30 Dec | Ryanair | ||
| 31 Dec | Air China |
Also check the deals for return flights from London to Seoul in December.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
Find us on social media