AirHint found the following cheapest return flights from Cagliari (CAG) to San Juan (SJU) in October 2025 (see full year).

Return flights

05 Oct - 15 Oct	Ryanair
07 Oct - 21 Oct	Ryanair
01 Oct - 07 Oct	Ryanair
15 Oct - 22 Oct	Vueling Airlines
11 Oct - 21 Oct	Ryanair
01 Oct - 08 Oct	Ryanair
07 Oct - 14 Oct	Aeroitalia
02 Oct - 15 Oct	Ryanair
16 Oct - 23 Oct	Aeroitalia
03 Oct - 16 Oct	Vueling Airlines

Also check the deals for one-way flights from Cagliari to San Juan in October.

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 Cagliari to San Juan in October from 604€

Return flights