Cheapest return flights from Seoul to Helsinki in May from $684

Best time to book flights for Seoul (ICN) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Helsinki (HEL) in May 2025 (see full year).

Return flights

21 May - 27 May KLM
21 May - 28 May KLM
20 May - 26 May KLM
27 May - 10 Jun KLM
12 May - 19 May China Southern
24 May - 31 May China Eastern
27 May - 11 Jun KLM
06 May - 13 May KLM
28 May - 11 Jun Lufthansa
22 May - 25 May Lufthansa
13 May - 20 May Lufthansa
07 May - 14 May KLM
07 May - 17 May KLM
27 May - 03 Jun KLM
28 May - 04 Jun Lufthansa
26 May - 02 Jun Finnair direct
23 May - 03 Jun Lufthansa
27 May - 03 Jun Finnair direct
27 May - 10 Jun Finnair direct
27 May - 11 Jun Finnair direct

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

Skyscanner

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 Helsinki

Cheap car rent in Helsinki