Cheapest return flights from Seoul to Helsinki in April from $660

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

Return flights

01 Apr - 08 Apr Lufthansa
01 Apr - 07 Apr Scandinavian Airlines
08 Apr - 14 Apr Scandinavian Airlines
02 Apr - 09 Apr Lufthansa
03 Apr - 13 Apr Lufthansa
03 Apr - 09 Apr Scandinavian Airlines
29 Apr - 05 May Lufthansa
04 Apr - 10 Apr Scandinavian Airlines
04 Apr - 05 Apr Scandinavian Airlines
23 Apr - 02 May Lufthansa
20 Apr - 26 Apr Scandinavian Airlines
24 Apr - 02 May Lufthansa
15 Apr - 24 Apr Lufthansa
29 Apr - 04 May Lufthansa
27 Apr - 03 May Scandinavian Airlines
25 Apr - 01 May Scandinavian Airlines
30 Apr - 04 May Lufthansa
29 Apr - 08 May Lufthansa
27 Apr - 04 May Lufthansa
27 Apr - 03 May Finnair direct

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

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