Cheapest return flights from Helsinki to Seoul in April from $752

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

Return flights

09 Apr - 14 May Lufthansa
15 Apr - 28 Apr Lufthansa
21 Apr - 28 Apr Turkish Airlines
23 Apr - 10 May Turkish Airlines
23 Apr - 10 May Finnair direct
04 Apr - 16 Apr Finnair direct
17 Apr - 22 Apr Finnair direct
15 Apr - 28 Apr Finnair direct
21 Apr - 28 Apr Finnair direct
09 Apr - 14 May Finnair direct
04 Apr - 04 May Lufthansa
04 Apr - 04 May Finnair direct
30 Apr - 09 May Turkish Airlines

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

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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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