AirHint found the following cheapest return flights from Amsterdam (AMS) to Seoul (ICN) in September 2026 (see full year).

Return flights

22 Sep - 08 Oct	Lufthansa
23 Sep - 09 Oct	Lufthansa
06 Sep - 17 Sep	Lufthansa
18 Sep - 09 Oct	SWISS
01 Sep - 14 Sep	SWISS
03 Sep - 15 Sep	Lufthansa
03 Sep - 17 Sep	Lufthansa
11 Sep - 02 Oct	Turkish Airlines
19 Sep - 10 Oct	Turkish Airlines
22 Sep - 04 Oct	Turkish Airlines
08 Sep - 15 Sep	Etihad Airways
18 Sep - 10 Oct	SWISS
23 Sep - 21 Oct	Lufthansa
03 Sep - 18 Sep	China Southern
01 Sep - 18 Sep	China Southern
07 Sep - 17 Sep	China Southern
03 Sep - 13 Sep	China Southern
22 Sep - 10 Oct	China Southern
24 Sep - 22 Oct	China Southern
07 Sep - 27 Sep	Finnair

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

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 Amsterdam to Seoul in September from 487€

Return flights