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

28 Sep - 11 Oct Juneyao Airlines
07 Sep - 13 Sep Juneyao Airlines
09 Sep - 14 Sep Juneyao Airlines
14 Sep - 01 Oct Juneyao Airlines
01 Sep - 15 Sep Juneyao Airlines
03 Sep - 23 Sep Qatar Airways
01 Sep - 09 Sep Qatar Airways
08 Sep - 19 Sep Qatar Airways
03 Sep - 10 Sep Qatar Airways
30 Sep - 08 Oct Qatar Airways
28 Sep - 18 Oct Qatar Airways
07 Sep - 14 Sep Finnair
10 Sep - 15 Sep Finnair
10 Sep - 17 Sep Qatar Airways
30 Sep - 15 Oct Qatar Airways
21 Sep - 05 Oct Qatar Airways
21 Sep - 05 Oct Finnair direct
21 Sep - 04 Oct Finnair direct
30 Sep - 08 Oct Finnair direct
30 Sep - 15 Oct Finnair direct

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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