AirHint found the following cheapest return flights from Hamburg (HAM) to Seoul (ICN) in October 2025 (see full year).

Return flights

02 Oct - 08 Oct	LOT
01 Oct - 12 Oct	LOT
01 Oct - 25 Oct	LOT
22 Oct - 03 Nov	LOT
01 Oct - 15 Oct	LOT
01 Oct - 14 Oct	LOT
18 Oct - 25 Oct	Scandinavian Airlines
03 Oct - 16 Oct	Finnair
03 Oct - 12 Oct	Finnair
02 Oct - 17 Oct	Finnair
18 Oct - 29 Oct	Finnair
16 Oct - 09 Nov	Finnair
24 Oct - 08 Nov	LOT
20 Oct - 02 Nov	Finnair
17 Oct - 09 Nov	Finnair
18 Oct - 01 Nov	LOT
19 Oct - 01 Nov	LOT
17 Oct - 01 Nov	LOT

Also check the deals for one-way flights from Hamburg to Seoul in October.

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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Cheapest return flights from Hamburg to Seoul in October from 629€

Return flights