Cheapest return flights from London to Seoul in December from $560

Best time to book flights for London (LHR) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Seoul (ICN) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec China Southern
02 Dec - 13 Dec Lufthansa
02 Dec - 07 Dec Lufthansa
04 Dec - 15 Dec Lufthansa
04 Dec - 14 Dec Lufthansa
03 Dec - 10 Dec Lufthansa
03 Dec - 17 Dec Lufthansa
01 Dec - 08 Dec Lufthansa
01 Dec - 13 Dec Lufthansa
03 Dec - 13 Dec Lufthansa
09 Dec - 12 Jan Lufthansa
06 Dec - 07 Jan Lufthansa
07 Dec - 07 Jan Lufthansa
06 Dec - 10 Jan LOT
29 Dec - 11 Jan Finnair
15 Dec - 06 Jan Lufthansa
29 Dec - 12 Jan Finnair
17 Dec - 05 Jan Lufthansa
23 Dec - 07 Jan Finnair
29 Dec - 06 Jan Finnair

Also check the deals for one-way flights from London to Seoul in December.

Skyscanner

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.

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