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

Return flights

26 Aug - 04 Sep	Southwest Airlines
22 Aug - 04 Sep	Avelo Airlines
27 Aug - 03 Sep	Southwest Airlines
20 Aug - 07 Sep	Spirit Airlines
04 Aug - 08 Aug	Spirit Airlines
04 Aug - 09 Aug	Spirit Airlines
28 Aug - 07 Sep	Spirit Airlines
26 Aug - 02 Sep	Delta
05 Aug - 09 Aug	Southwest Airlines
28 Aug - 02 Sep	Spirit Airlines

Also check the deals for one-way flights from Rochester 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 Rochester to San Juan in August from 237€

Return flights