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

Return flights

25 Aug - 13 Sep	Iberia
17 Aug - 13 Sep	Iberia
23 Aug - 30 Aug	Air France
16 Aug - 02 Sep	Air France
25 Aug - 31 Aug	Air France
13 Aug - 25 Aug	KLM
21 Aug - 28 Aug	Brussels Airlines
12 Aug - 20 Aug	KLM
20 Aug - 27 Aug	Brussels Airlines
14 Aug - 26 Aug	Delta
09 Aug - 16 Aug	KLM
18 Aug - 27 Aug	Delta
07 Aug - 12 Aug	Air France

Also check the deals for one-way flights from Milan 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 Milan to San Juan in August from 708€

Return flights