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

Return flights

20 Oct - 26 Oct	Lufthansa
22 Oct - 26 Oct	Lufthansa
23 Oct - 26 Oct	Lufthansa
21 Oct - 26 Oct	Lufthansa
21 Oct - 28 Oct	Lufthansa
20 Oct - 28 Oct	Lufthansa
13 Oct - 24 Nov	Lufthansa
21 Oct - 04 Nov	China Southern
16 Oct - 06 Nov	China Southern
17 Oct - 29 Oct	China Southern
17 Oct - 30 Oct	Lufthansa
28 Oct - 31 Oct	China Southern
23 Oct - 30 Oct	Lufthansa
29 Oct - 06 Nov	Lufthansa
28 Oct - 05 Nov	Etihad Airways
31 Oct - 02 Nov	China Southern
30 Oct - 03 Nov	Etihad Airways
30 Oct - 02 Nov	Etihad Airways
29 Oct - 02 Nov	Etihad Airways
31 Oct - 05 Nov	China Southern

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 524€

Return flights