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

Return flights

25 May - 08 Jun	Ryanair
01 May - 11 May	Pegasus Airlines
25 May - 12 Jun	Ryanair
21 May - 08 Jun	Ryanair
21 May - 05 Jun	Ryanair
26 May - 12 Jun	Wizz Air
06 May - 13 May	Ryanair
01 May - 15 May	Ryanair
08 May - 22 May	Ryanair
19 May - 19 Jun	Wizz Air
15 May - 22 May	Ryanair
22 May - 29 May	Ryanair
16 May - 24 May	Ryanair
01 May - 10 May	Ryanair
04 May - 10 May	Ryanair
25 May - 30 May	Ryanair

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

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 May from 696€

Return flights