AirHint found the following cheapest return flights from Charleroi (CRL) to Seoul (ICN) in April 2026 (see full year).

Return flights

07 Apr - 22 Apr	Ryanair
21 Apr - 13 May	Ryanair
23 Apr - 11 May	Ryanair
27 Apr - 11 May	Ryanair
26 Apr - 21 May	Ryanair
19 Apr - 04 May	Ryanair
24 Apr - 11 May	Ryanair
25 Apr - 08 May	Ryanair
23 Apr - 14 May	Wizz Air
24 Apr - 08 May	Ryanair
25 Apr - 16 May	Ryanair
15 Apr - 27 Apr	Ryanair
12 Apr - 24 Apr	Ryanair
01 Apr - 22 Apr	Ryanair
09 Apr - 22 Apr	Ryanair
15 Apr - 23 Apr	Ryanair
16 Apr - 23 Apr	Ryanair
09 Apr - 24 Apr	Ryanair
08 Apr - 17 Apr	Ryanair
13 Apr - 20 Apr	Ryanair

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

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 April from 724€

Return flights