AirHint found the following cheapest return flights from Naples (NAP) to San Juan (SJU) in August 2026 (see full year).

Return flights

20 Aug - 29 Aug	Ryanair
14 Aug - 26 Aug	Wizz Air Malta
14 Aug - 25 Aug	Wizz Air Malta
21 Aug - 28 Aug	United
04 Aug - 11 Aug	Turkish Airlines
07 Aug - 15 Aug	Wizz Air Malta
08 Aug - 21 Aug	airBaltic
10 Aug - 17 Aug	Aer Lingus

Also check the deals for one-way flights from Naples 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 Naples to San Juan in August from 763€

Return flights