AirHint found the following cheapest one-way flights from Seoul (ICN) to Helsinki (HEL) in December 2025 (see full year).
One-Way flights
| 08 Dec | China Southern | ||
| 09 Dec | China Southern | ||
| 15 Dec | T'way Air | ||
| 06 Dec | China Eastern | ||
| 01 Dec | China Eastern | ||
| 14 Dec | China Southern | ||
| 05 Dec | T'way Air | ||
| 22 Dec | T'way Air | ||
| 26 Dec | T'way Air | ||
| 27 Dec | Sichuan Airlines |
Also check the deals for return flights from Seoul to Helsinki in December.
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.
Find us on social media