Cheapest return flights from Seoul to Helsinki in September from $857

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 September 2025 (see full year).

Return flights

02 Sep - 09 Sep KLM
03 Sep - 10 Sep Air France
16 Sep - 25 Sep KLM
06 Sep - 13 Sep KLM
11 Sep - 19 Sep Qatar Airways
11 Sep - 17 Sep Qatar Airways
16 Sep - 01 Oct Qatar Airways
05 Sep - 12 Sep KLM
24 Sep - 01 Oct Singapore Airlines
25 Sep - 28 Sep Singapore Airlines
20 Sep - 26 Sep Singapore Airlines
13 Sep - 20 Sep Singapore Airlines
26 Sep - 03 Oct Qatar Airways
30 Sep - 13 Oct Singapore Airlines
16 Sep - 01 Oct Finnair direct
24 Sep - 01 Oct Finnair direct
26 Sep - 07 Oct Singapore Airlines
26 Sep - 12 Oct Qatar Airways
30 Sep - 07 Oct Singapore Airlines
27 Sep - 12 Oct Qatar Airways

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

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.

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