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

Return flights

16 Oct - 26 Oct	Ryanair
14 Oct - 23 Oct	Wizz Air Malta
14 Oct - 20 Oct	Wizz Air Malta
06 Oct - 14 Oct	WestJet
06 Oct - 18 Oct	WestJet
06 Oct - 20 Oct	Condor
20 Oct - 01 Nov	Ryanair
11 Oct - 17 Oct	Ryanair
12 Oct - 22 Oct	Wizz Air Malta
27 Oct - 30 Oct	Norse Atlantic Airways
09 Oct - 13 Oct	Wizz Air Malta
25 Oct - 01 Nov	Vueling Airlines
18 Oct - 01 Nov	Air Serbia
31 Oct - 09 Nov	Wizz Air Malta
18 Oct - 02 Nov	Air Serbia
27 Oct - 09 Nov	United

Also check the deals for one-way flights from Rome 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 Rome to San Juan in October from 555€

Return flights