Cheapest return flights from Seoul to Helsinki in May from $671

AirHint found the following cheapest return flights from Seoul (ICN) to Helsinki (HEL) in May 2026 (see full year).

Return flights

19 May - 26 May Lufthansa
07 May - 12 May Lufthansa
28 May - 03 Jun Scandinavian Airlines
04 May - 18 May Lufthansa
20 May - 26 May Scandinavian Airlines
04 May - 12 May Lufthansa
22 May - 02 Jun Lufthansa
25 May - 31 May Scandinavian Airlines
18 May - 24 May Scandinavian Airlines
09 May - 15 May Scandinavian Airlines
11 May - 17 May Scandinavian Airlines
13 May - 19 May Scandinavian Airlines
23 May - 02 Jun Scandinavian Airlines
29 May - 04 Jun Scandinavian Airlines
30 May - 05 Jun Scandinavian Airlines
29 May - 06 Jun Lufthansa
29 May - 04 Jun Finnair direct
23 May - 02 Jun Finnair direct
27 May - 02 Jun Finnair direct
26 May - 01 Jun Finnair direct

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

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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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