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

Return flights

18 Oct - 26 Oct	Wizz Air
20 Oct - 26 Oct	Ryanair
17 Oct - 28 Oct	Ryanair
18 Oct - 02 Nov	Wizz Air
30 Oct - 08 Nov	Ryanair
18 Oct - 04 Nov	Ryanair
13 Oct - 23 Oct	Ryanair
28 Oct - 11 Nov	Ryanair
20 Oct - 30 Oct	Ryanair
01 Oct - 25 Oct	Ryanair
04 Oct - 17 Oct	Pegasus Airlines
13 Oct - 25 Oct	Ryanair
01 Oct - 09 Oct	Ryanair
02 Oct - 16 Oct	Ryanair
22 Oct - 02 Nov	Ryanair
19 Oct - 01 Nov	Ryanair
31 Oct - 24 Nov	Wizz Air
31 Oct - 10 Nov	Wizz Air
31 Oct - 14 Nov	Wizz Air

Also check the deals for one-way flights from Charleroi to Seoul in October.

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 October from 552€

Return flights