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

Return flights

30 Aug - 06 Sep	United
28 Aug - 09 Sep	United
27 Aug - 09 Sep	United
25 Aug - 05 Sep	TAP
27 Aug - 07 Sep	Condor
27 Aug - 29 Aug	Condor
28 Aug - 31 Aug	Air France
26 Aug - 02 Sep	Scandinavian Airlines
26 Aug - 08 Sep	Ryanair
25 Aug - 31 Aug	TAP
29 Aug - 01 Sep	British Airways
25 Aug - 01 Sep	Condor

Also check the deals for one-way flights from Rome to San Juan in August.

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 August from $829

Return flights