Cheapest return flights from Seoul to Helsinki in December from $927

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

Return flights

01 Dec - 14 Dec Air China
24 Dec - 09 Jan Japan Airlines
10 Dec - 16 Dec Japan Airlines
21 Dec - 28 Dec Japan Airlines
27 Dec - 04 Jan Japan Airlines
27 Dec - 05 Jan Japan Airlines
13 Dec - 21 Dec Japan Airlines
15 Dec - 26 Dec Japan Airlines
02 Dec - 09 Dec Japan Airlines
18 Dec - 26 Dec Japan Airlines
22 Dec - 29 Dec Japan Airlines
29 Dec - 04 Jan Japan Airlines
06 Dec - 11 Dec Japan Airlines
29 Dec - 05 Jan Japan Airlines
24 Dec - 29 Dec Japan Airlines
28 Dec - 05 Jan Japan Airlines

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

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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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