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

Return flights

28 Nov - 04 Dec	Lufthansa
28 Nov - 05 Dec	Lufthansa
18 Nov - 26 Nov	Air France
19 Nov - 30 Nov	Air France
18 Nov - 27 Nov	Air France
19 Nov - 23 Nov	Air France
25 Nov - 02 Dec	Air France
25 Nov - 03 Dec	Air France
27 Nov - 08 Dec	Air France
27 Nov - 04 Dec	Air France
26 Nov - 04 Dec	Air France
26 Nov - 03 Dec	Air France
25 Nov - 05 Dec	Air France
21 Nov - 23 Nov	Lufthansa
20 Nov - 25 Nov	Air France
13 Nov - 27 Nov	Air France
14 Nov - 24 Nov	Air France
14 Nov - 23 Nov	Air France
14 Nov - 16 Nov	Air France
24 Nov - 08 Dec	Lufthansa

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

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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Cheapest return flights from Seoul to Helsinki in November from $583

Return flights