AirHint found the following cheapest return flights from Riyadh (RUH) to Charleroi (CRL) in September 2025 (see full year).

Return flights

18 Sep - 01 Oct	AJet
15 Sep - 18 Sep	Pegasus Airlines
11 Sep - 16 Sep	Pegasus Airlines
23 Sep - 27 Sep	Pegasus Airlines
18 Sep - 26 Sep	AJet
24 Sep - 06 Oct	AJet
20 Sep - 28 Sep	AJet
24 Sep - 04 Oct	AJet
22 Sep - 27 Sep	Pegasus Airlines
02 Sep - 06 Sep	Pegasus Airlines
11 Sep - 27 Sep	Pegasus Airlines
04 Sep - 17 Sep	flyadeal
03 Sep - 06 Sep	flyadeal

Also check the deals for one-way flights from Riyadh 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 Riyadh to Charleroi in September from $247

Return flights