AirHint found the following cheapest return flights from Cagliari (CAG) to Athens (ATH) in September 2025 (see full year).

Return flights

26 Sep - 29 Sep	Ryanair
22 Sep - 27 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
12 Sep - 16 Sep	Ryanair
20 Sep - 23 Sep	Ryanair
05 Sep - 08 Sep	Ryanair
10 Sep - 16 Sep	Aeroitalia
11 Sep - 16 Sep	Aeroitalia
15 Sep - 18 Sep	Ryanair
05 Sep - 12 Sep	Ryanair
28 Sep - 18 Oct	Vueling Airlines
28 Sep - 08 Oct	Vueling Airlines
28 Sep - 15 Oct	Vueling Airlines
23 Sep - 08 Oct	Vueling Airlines
24 Sep - 08 Oct	Vueling Airlines
24 Sep - 15 Oct	Vueling Airlines
25 Sep - 08 Oct	Vueling Airlines
25 Sep - 15 Oct	Vueling Airlines
28 Sep - 11 Oct	Vueling Airlines
23 Sep - 11 Oct	Vueling Airlines

Also check the deals for one-way flights from Cagliari to Athens 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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Cagliari to Athens in September from 149€

Return flights