Cheapest return flights from Seoul to Helsinki in September from $861

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

Return flights

17 Sep - 27 Sep Lufthansa
09 Sep - 14 Sep Scandinavian Airlines
05 Sep - 25 Sep Scandinavian Airlines
04 Sep - 25 Sep Scandinavian Airlines
30 Sep - 10 Oct Finnair direct
29 Sep - 06 Oct Lufthansa
19 Sep - 26 Sep Etihad Airways
21 Sep - 25 Sep Scandinavian Airlines
17 Sep - 27 Sep Finnair direct
24 Sep - 09 Oct Lufthansa
19 Sep - 26 Sep Finnair direct

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

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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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