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

Return flights

25 Sep - 05 Oct	Ryanair	direct
11 Sep - 14 Sep	Ryanair	direct
11 Sep - 13 Sep	Ryanair	direct
12 Sep - 13 Sep	Ryanair	direct
12 Sep - 14 Sep	Ryanair	direct
25 Sep - 01 Oct	Ryanair	direct
13 Sep - 14 Sep	Ryanair	direct
12 Sep - 01 Oct	Ryanair	direct
11 Sep - 01 Oct	Ryanair	direct
13 Sep - 01 Oct	Ryanair	direct
06 Sep - 10 Oct	Ryanair

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

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 September from $170

Return flights