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

Return flights

26 Sep - 10 Oct	Volotea	direct
26 Sep - 03 Oct	Volotea	direct
12 Sep - 19 Sep	Volotea
12 Sep - 19 Sep	Volotea	direct
29 Sep - 06 Oct	Volotea
05 Sep - 12 Sep	Volotea	direct
05 Sep - 19 Sep	Volotea	direct
06 Sep - 12 Sep	Ryanair
16 Sep - 26 Sep	Ryanair
30 Sep - 07 Oct	TUI fly Belgium
30 Sep - 14 Oct	TUI fly Belgium
22 Sep - 28 Sep	Volotea
11 Sep - 16 Sep	easyJet
21 Sep - 24 Sep	Volotea

Also check the deals for one-way flights from Lille 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 Lille to Olbia in September from 58€

Return flights