AirHint found the following cheapest return flights from Porto (OPO) to Charleroi (CRL) in August 2025 (see full year).

Return flights

27 Aug - 31 Aug	Ryanair
29 Aug - 10 Sep	Ryanair	direct
29 Aug - 14 Sep	Ryanair	direct
29 Aug - 15 Sep	Ryanair	direct
29 Aug - 17 Sep	Ryanair	direct
29 Aug - 16 Sep	Ryanair	direct
29 Aug - 31 Aug	Ryanair
29 Aug - 09 Sep	Ryanair
29 Aug - 18 Sep	Ryanair	direct
28 Aug - 08 Sep	Ryanair
29 Aug - 08 Sep	Ryanair	direct
28 Aug - 31 Aug	Ryanair
30 Aug - 01 Sep	Ryanair
29 Aug - 31 Aug	Ryanair	direct
22 Aug - 25 Aug	TAP
25 Aug - 28 Aug	easyJet
29 Aug - 30 Aug	Ryanair	direct
29 Aug - 29 Aug	Ryanair	direct
27 Aug - 27 Aug	Ryanair	direct
22 Aug - 26 Aug	TAP

Also check the deals for one-way flights from Porto to Charleroi in August.

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 Porto to Charleroi in August from $248

Return flights