Cheapest return flights from Seoul to Helsinki in September from $865

Best time to book flights for Seoul (ICN) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Helsinki (HEL) in September 2025 (see full year).

Return flights

07 Sep - 14 Sep KLM
01 Sep - 08 Sep KLM
06 Sep - 13 Sep KLM
25 Sep - 28 Sep Singapore Airlines
09 Sep - 23 Sep KLM
01 Sep - 12 Sep KLM
13 Sep - 22 Sep Etihad Airways
13 Sep - 21 Sep Singapore Airlines
17 Sep - 27 Sep KLM
01 Sep - 08 Sep Finnair direct
24 Sep - 24 Oct Lufthansa
27 Sep - 04 Oct Singapore Airlines
26 Sep - 04 Oct Singapore Airlines
30 Sep - 13 Oct Singapore Airlines
24 Sep - 08 Oct Singapore Airlines
27 Sep - 04 Oct Finnair direct
26 Sep - 04 Oct Finnair direct
27 Sep - 11 Oct Singapore Airlines
27 Sep - 05 Oct Lufthansa
27 Sep - 09 Oct Singapore Airlines

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

Skyscanner

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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