Cheapest return flights from Seoul to Helsinki in December from $583

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

Return flights

16 Dec - 13 Jan Lufthansa
24 Dec - 07 Jan Lufthansa
02 Dec - 07 Dec KLM
05 Dec - 09 Dec Air France
03 Dec - 10 Dec Air France
04 Dec - 10 Dec Air France
06 Dec - 11 Dec Air France
03 Dec - 07 Dec Air France
03 Dec - 11 Dec Air France
04 Dec - 07 Dec Air France
03 Dec - 08 Dec Air France
05 Dec - 11 Dec Air France
04 Dec - 30 Jan Air France
26 Dec - 08 Jan Lufthansa
26 Dec - 06 Jan Air France
24 Dec - 01 Jan Scandinavian Airlines
24 Dec - 04 Jan Scandinavian Airlines
17 Dec - 04 Jan Scandinavian Airlines
29 Dec - 04 Jan Scandinavian Airlines
30 Dec - 07 Jan KLM

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

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