Cheapest return flights from Seoul to Helsinki in October from $717

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

AirHint found the following cheapest return flights from Seoul (ICN) to Helsinki (HEL) in October 2025 (see full year).

Return flights

14 Oct - 30 Oct Air France
23 Oct - 18 Nov Lufthansa
23 Oct - 16 Nov Lufthansa
23 Oct - 21 Nov KLM
23 Oct - 22 Nov KLM
28 Oct - 02 Nov Finnair direct
14 Oct - 21 Oct Finnair direct
14 Oct - 30 Oct Finnair direct
17 Oct - 07 Nov Finnair direct
23 Oct - 26 Oct Singapore Airlines
23 Oct - 26 Oct Finnair direct
23 Oct - 18 Nov Finnair direct
23 Oct - 16 Nov Finnair direct
23 Oct - 21 Nov Finnair direct
18 Oct - 31 Oct Air France
02 Oct - 08 Oct Shandong Airlines
23 Oct - 22 Nov Finnair direct
18 Oct - 31 Oct Finnair direct
09 Oct - 16 Oct Lufthansa
01 Oct - 31 Oct Singapore Airlines

Also check the deals for one-way flights from Seoul to Helsinki in October.

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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