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

Return flights

13 May - 27 May	Ryanair
21 May - 05 Jun	Ryanair
21 May - 03 Jun	Ryanair
13 May - 25 May	Wizz Air
09 May - 25 May	Ryanair
26 May - 09 Jun	Ryanair
01 May - 15 May	Ryanair
08 May - 31 May	Ryanair
14 May - 26 May	Wizz Air
03 May - 10 May	Ryanair
07 May - 14 May	Wizz Air
13 May - 24 May	Wizz Air
11 May - 18 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 $837

Return flights