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

Return flights

23 Oct - 26 Oct	Lufthansa
17 Oct - 23 Oct	Lufthansa
17 Oct - 26 Oct	Lufthansa
22 Oct - 26 Oct	Lufthansa
07 Oct - 16 Oct	Lufthansa
14 Oct - 22 Oct	Lufthansa
28 Oct - 05 Nov	China Southern
09 Oct - 16 Oct	Lufthansa
23 Oct - 28 Oct	Etihad Airways
14 Oct - 21 Oct	Etihad Airways
21 Oct - 28 Oct	Etihad Airways
15 Oct - 18 Nov	Etihad Airways
28 Oct - 18 Nov	Etihad Airways
29 Oct - 02 Nov	Etihad Airways
30 Oct - 03 Nov	Finnair
23 Oct - 03 Nov	Finnair
31 Oct - 10 Nov	China Southern
29 Oct - 07 Nov	China Southern
31 Oct - 08 Nov	China Southern
25 Oct - 03 Nov	Finnair

Also check the deals for one-way flights from Seoul to Amsterdam 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 Seoul to Amsterdam in October from 526€

Return flights