Cheapest return flights from Seoul to Helsinki in September from 527€

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

Return flights

02 Sep - 15 Sep Lufthansa
07 Sep - 31 Oct Lufthansa
21 Sep - 28 Sep KLM
16 Sep - 18 Sep Etihad Airways
02 Sep - 15 Sep Finnair direct
07 Sep - 31 Oct Finnair direct
19 Sep - 22 Sep Singapore Airlines
20 Sep - 24 Sep Singapore Airlines
21 Sep - 28 Sep Finnair direct
16 Sep - 18 Sep Finnair direct
19 Sep - 22 Sep Finnair direct
20 Sep - 24 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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