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

Return flights

06 Aug - 26 Aug	Ryanair
13 Aug - 12 Sep	Ryanair
23 Aug - 29 Aug	Ryanair
08 Aug - 23 Aug	Ryanair
13 Aug - 27 Aug	Ryanair
19 Aug - 24 Aug	Wizz Air
04 Aug - 08 Aug	Ryanair
12 Aug - 22 Aug	Ryanair
02 Aug - 09 Aug	Ryanair
17 Aug - 03 Sep	Ryanair
17 Aug - 24 Aug	Ryanair
09 Aug - 22 Aug	Wizz Air

Also check the deals for one-way flights from Charleroi to Seoul 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 Charleroi to Seoul in August from 753€

Return flights