AirHint found the following cheapest one-way flights from Seoul (GMP) to Helsinki (HEL) in September 2026 (see full year).
One-Way flights
| 14 Sep | Air China | ||
| 10 Sep | Air China | ||
| 01 Sep | Air China | ||
| 02 Sep | Air China | ||
| 29 Sep | China Southern | ||
| 17 Sep | Jeju Air | ||
| 18 Sep | Air China | ||
| 07 Sep | China Southern | ||
| 24 Sep | Tigerair Taiwan | ||
| 25 Sep | Korean Air |
Also check the deals for return flights from Seoul to Helsinki in September.
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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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