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

Return flights

25 Aug - 31 Aug	United
30 Aug - 03 Sep	United
25 Aug - 05 Sep	Ryanair
31 Aug - 07 Sep	Iberia
27 Aug - 30 Aug	TAP
27 Aug - 07 Sep	Iberia
22 Aug - 26 Aug	United
21 Aug - 31 Aug	Delta
20 Aug - 30 Aug	Condor
20 Aug - 31 Aug	Ryanair
19 Aug - 30 Aug	Wizz Air Malta
19 Aug - 22 Aug	Condor
19 Aug - 26 Aug	Wizz Air Malta
18 Aug - 25 Aug	Delta
17 Aug - 01 Sep	Delta

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 710€

Return flights