Cheapest return flights from Helsinki to Seoul in September from 554€

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

Return flights

16 Sep - 23 Sep Norwegian Air Sweden AOC
16 Sep - 22 Sep Norwegian Air Sweden AOC
16 Sep - 30 Sep Norwegian Air Sweden AOC
17 Sep - 25 Sep Ryanair
17 Sep - 01 Oct Ryanair
21 Sep - 25 Sep Pegasus Airlines
20 Sep - 24 Sep Ryanair
15 Sep - 21 Sep Scandinavian Airlines
14 Sep - 21 Sep Pegasus Airlines
11 Sep - 17 Sep Ryanair
11 Sep - 24 Sep Air France
25 Sep - 10 Oct Pegasus Airlines
16 Sep - 04 Oct Norwegian Air Sweden AOC
25 Sep - 10 Oct Finnair direct
19 Sep - 03 Oct Turkish Airlines
24 Sep - 01 Oct Finnair direct
17 Sep - 01 Oct Finnair direct

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