Cheapest return flights from Seoul to Helsinki in April from $621

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

Return flights

22 Apr - 12 May Lufthansa
30 Apr - 05 May Lufthansa
03 Apr - 10 Apr Scandinavian Airlines
22 Apr - 30 Apr Lufthansa
25 Apr - 05 May Scandinavian Airlines
23 Apr - 25 Apr Etihad Airways
30 Apr - 08 May Lufthansa
24 Apr - 08 May Lufthansa
12 Apr - 18 Apr Lufthansa
03 Apr - 10 Apr Finnair direct
22 Apr - 12 May Finnair direct
22 Apr - 30 Apr Finnair direct
30 Apr - 08 May Finnair direct
23 Apr - 25 Apr Finnair direct
02 Apr - 09 Apr Singapore Airlines
02 Apr - 14 Apr Singapore Airlines
23 Apr - 30 Apr Singapore Airlines

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

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