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

Return flights

04 Aug - 19 Aug	China Eastern
22 Aug - 24 Aug	China Eastern
20 Aug - 30 Aug	China Southern
13 Aug - 19 Aug	China Southern
08 Aug - 18 Aug	China Southern
06 Aug - 13 Aug	China Southern
07 Aug - 12 Aug	China Southern
11 Aug - 19 Aug	China Southern
20 Aug - 25 Aug	China Southern
20 Aug - 24 Aug	China Southern
26 Aug - 02 Sep	China Eastern
27 Aug - 01 Sep	SWISS
05 Aug - 03 Sep	Lufthansa
31 Aug - 10 Sep	Emirates
31 Aug - 11 Sep	Emirates
31 Aug - 09 Sep	Emirates
13 Aug - 15 Sep	China Southern
28 Aug - 04 Sep	Etihad Airways
31 Aug - 04 Sep	Etihad Airways
30 Aug - 11 Sep	Emirates

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

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 August from 534€

Return flights