Cheapest return HEL–ICN flights, May

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

Return flights

03 May - 10 May China Southern
17 May - 02 Jun China Southern
17 May - 26 May China Southern
21 May - 14 Jun China Southern
18 May - 27 May Norwegian Air Sweden AOC
02 May - 18 May Pegasus Airlines
04 May - 11 May KLM
05 May - 12 May KLM
25 May - 01 Jun Turkish Airlines
14 May - 29 May Ryanair
06 May - 13 May KLM
06 May - 14 May Finnair
23 May - 31 May airBaltic
31 May - 20 Jun Norwegian Air Sweden AOC
29 May - 13 Jun airBaltic
29 May - 02 Jun Lufthansa
25 May - 01 Jun Finnair direct
17 May - 02 Jun Finnair direct
29 May - 02 Jun Finnair direct
29 May - 13 Jun Finnair direct

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

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.