Cheapest one-way flights from Helsinki to Seoul in September from $428

Best time to book flights for Helsinki (HEL) to Seoul (ICN) flights at AirHint

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

One-Way flights

29 Sep Ryanair
15 Sep Finnair
03 Sep Finnair
17 Sep Pegasus Airlines
25 Sep Turkish Airlines
12 Sep Turkish Airlines
01 Sep Norwegian Air Sweden AOC
17 Sep Finnair direct
28 Sep Turkish Airlines
12 Sep Finnair direct

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul