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

Return flights

16 Jul - 28 Jul	SWISS
16 Jul - 27 Aug	Lufthansa
16 Jul - 29 Jul	Lufthansa
09 Jul - 21 Jul	SWISS
22 Jul - 06 Aug	LOT
22 Jul - 05 Aug	LOT
07 Jul - 18 Jul	Lufthansa
17 Jul - 05 Aug	Austrian Airlines
07 Jul - 27 Jul	Lufthansa
15 Jul - 05 Aug	LOT
18 Jul - 05 Aug	Austrian Airlines
18 Jul - 22 Jul	Air India
06 Jul - 10 Jul	China Eastern
15 Jul - 27 Aug	Lufthansa
14 Jul - 21 Jul	Air India
13 Jul - 21 Jul	Air India
17 Jul - 27 Aug	Lufthansa
06 Jul - 31 Jul	Air India
22 Jul - 20 Aug	Lufthansa
18 Jul - 27 Aug	SWISS

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

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 July from 723€

Return flights