Cheapest return flights from Helsinki to Seoul in May from $749

AirHint found the following cheapest return flights from Helsinki (HEL) to Seoul (ICN) in May 2026 (see full year).

Return flights

12 May - 11 Jun Turkish Airlines
14 May - 11 Jun Turkish Airlines
10 May - 25 May Turkish Airlines
07 May - 12 May Finnair direct
16 May - 26 May Finnair direct
07 May - 14 May Finnair direct
21 May - 26 May Finnair direct
21 May - 28 May Finnair direct
02 May - 12 May Finnair direct
16 May - 15 Jun Finnair direct
13 May - 20 May Turkish Airlines
11 May - 25 May Turkish Airlines
12 May - 25 May Turkish Airlines
11 May - 15 Jun Turkish Airlines
11 May - 12 Jun Turkish Airlines
12 May - 13 Jun Turkish Airlines
14 May - 13 Jun Turkish Airlines
20 May - 11 Jun Lufthansa
13 May - 27 Jun Turkish Airlines
20 May - 19 Jun Lufthansa

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

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