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

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

Return flights

12 May - 09 Jun Finnair
12 May - 28 May Finnair
12 May - 25 May Finnair
12 May - 14 Jun Finnair
12 May - 12 Jun Finnair
11 May - 25 May Finnair
14 May - 20 Jun China Southern
12 May - 24 May China Southern
12 May - 02 Jun China Southern
12 May - 31 May China Southern
12 May - 01 Jun Juneyao Airlines
12 May - 07 Jun Juneyao Airlines
11 May - 26 May Finnair
09 May - 25 May Ryanair
10 May - 26 May Finnair
11 May - 28 May Finnair
12 May - 10 Jun Finnair
12 May - 08 Jun Finnair
12 May - 05 Jun Ryanair
12 May - 27 May Finnair

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