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

Return flights

24 Sep - 12 Oct	Ryanair	direct
20 Sep - 30 Sep	Ryanair
24 Sep - 01 Oct	Ryanair	direct
17 Sep - 01 Oct	Ryanair	direct
02 Sep - 09 Sep	Ryanair
10 Sep - 17 Sep	Ryanair
16 Sep - 20 Sep	Ryanair
13 Sep - 27 Sep	Ryanair
27 Sep - 06 Oct	Ryanair
28 Sep - 12 Oct	Ryanair	direct
08 Sep - 17 Sep	Ryanair
28 Sep - 01 Oct	Ryanair	direct
07 Sep - 17 Sep	Ryanair
19 Sep - 27 Sep	Ryanair
15 Sep - 22 Sep	Ryanair
13 Sep - 20 Sep	Ryanair
28 Sep - 15 Oct	Ryanair	direct
24 Sep - 05 Oct	Ryanair	direct
17 Sep - 05 Oct	Ryanair	direct
28 Sep - 05 Oct	Ryanair	direct

Also check the deals for one-way flights from Charleroi to Olbia 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 Charleroi to Olbia in September from 108€

Return flights