Cheapest return ICN–HEL flights, September

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

Return flights

16 Sep - 23 Sep Scandinavian Airlines
09 Sep - 16 Sep Scandinavian Airlines
09 Sep - 15 Sep Scandinavian Airlines
02 Sep - 11 Sep Scandinavian Airlines
09 Sep - 13 Sep Scandinavian Airlines
21 Sep - 24 Sep Qatar Airways
06 Sep - 14 Sep Etihad Airways
20 Sep - 24 Sep Qatar Airways
20 Sep - 23 Sep Qatar Airways
16 Sep - 27 Sep Qatar Airways
23 Sep - 08 Oct Qatar Airways
25 Sep - 02 Oct Scandinavian Airlines
23 Sep - 08 Oct Finnair direct
26 Sep - 10 Oct Qatar Airways

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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