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

Return flights

20 Sep - 24 Sep	China Southern
15 Sep - 24 Sep	China Southern
21 Sep - 26 Sep	Etihad Airways
05 Sep - 12 Sep	Finnair
17 Sep - 25 Sep	China Airlines
04 Sep - 10 Sep	Air France
17 Sep - 25 Sep	Korean Air	direct
05 Sep - 12 Sep	Korean Air	direct
24 Sep - 09 Oct	Singapore Airlines
29 Sep - 04 Oct	Air Canada
21 Sep - 26 Sep	Korean Air	direct
24 Sep - 09 Oct	Korean Air	direct
25 Sep - 08 Oct	Scandinavian Airlines
25 Sep - 09 Oct	Scandinavian Airlines
26 Sep - 09 Oct	Scandinavian Airlines
26 Sep - 10 Oct	Air Canada
27 Sep - 10 Oct	Air Canada
27 Sep - 09 Oct	Air Canada

Also check the deals for one-way flights from Seoul to Amsterdam 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 Seoul to Amsterdam in September from $628

Return flights