Cheapest one-way flights from Helsinki to Seoul in September from $358

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

One-Way flights

22 Sep Ryanair
17 Sep Ryanair
20 Sep Ryanair
14 Sep Ryanair
23 Sep Ryanair
24 Sep Norwegian Air Sweden AOC
16 Sep Norwegian
10 Sep Norwegian Air Sweden AOC
15 Sep Norwegian Air Sweden AOC
28 Sep Pegasus Airlines

Also check the deals for return 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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