Cheapest return flights from Seoul to Helsinki in September from $699

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

Return flights

17 Sep - 21 Sep Scandinavian Airlines
18 Sep - 21 Sep Scandinavian Airlines
18 Sep - 22 Sep Scandinavian Airlines
07 Sep - 17 Sep Lufthansa
16 Sep - 23 Sep Lufthansa
20 Sep - 24 Sep Etihad Airways
17 Sep - 27 Sep Lufthansa
07 Sep - 12 Sep Etihad Airways
17 Sep - 24 Sep Lufthansa
09 Sep - 21 Sep Scandinavian Airlines
25 Sep - 04 Oct Lufthansa
25 Sep - 04 Oct 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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