AirHint found the following cheapest one-way flights from Seoul (ICN) to Helsinki (HEL) in September 2025 (see full year).
One-Way flights
| 28 Sep | China Eastern | ||
| 25 Sep | T'way Air | ||
| 23 Sep | Qatar Airways | ||
| 24 Sep | Qatar Airways | ||
| 21 Sep | T'way Air | ||
| 22 Sep | T'way Air | ||
| 29 Sep | China Eastern | ||
| 30 Sep | China Eastern | ||
| 20 Sep | T'way Air | ||
| 26 Sep | Uzbekistan Airways |
Also check the deals for return flights from Seoul to Helsinki in September.
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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