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

Return flights

12 May - 16 May	Ryanair	direct
11 May - 27 May	Ryanair
01 May - 02 May	Ryanair	direct
28 May - 15 Jun	Ryanair	direct
11 May - 22 May	Ryanair
14 May - 16 May	Ryanair	direct
01 May - 16 May	Ryanair	direct
01 May - 03 May	Ryanair	direct

Also check the deals for one-way flights from Charleroi to Porto 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 Porto in May from $191

Return flights