Cheapest return HEL–ICN flights, September

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

Return flights

09 Sep - 14 Sep Juneyao Airlines
13 Sep - 20 Sep Juneyao Airlines
22 Sep - 29 Sep Qatar Airways
07 Sep - 27 Sep Qatar Airways
21 Sep - 27 Sep Qatar Airways
21 Sep - 27 Sep Finnair direct
19 Sep - 28 Sep Qatar Airways
07 Sep - 13 Sep Qatar Airways
14 Sep - 23 Sep Finnair
18 Sep - 27 Sep Finnair direct
13 Sep - 12 Oct Finnair direct
21 Sep - 09 Oct Finnair

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