Cheapest return flights from Los Angeles to San Juan in August from $263

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

Return flights

28 Aug - 04 Sep Frontier Airlines
30 Aug - 05 Sep Frontier Airlines
25 Aug - 11 Sep Spirit Airlines
25 Aug - 30 Aug Frontier Airlines
29 Aug - 18 Sep Spirit Airlines
29 Aug - 11 Sep Spirit Airlines
23 Aug - 30 Aug Frontier Airlines
25 Aug - 04 Sep Spirit Airlines
22 Aug - 28 Aug Frontier Airlines
29 Aug - 04 Sep Spirit Airlines
24 Aug - 11 Sep Spirit Airlines
21 Aug - 26 Aug Frontier Airlines
30 Aug - 18 Sep Spirit Airlines
30 Aug - 11 Sep Spirit Airlines
29 Aug - 31 Aug Frontier Airlines
20 Aug - 26 Aug Frontier Airlines
22 Aug - 27 Aug Frontier Airlines
21 Aug - 23 Aug Frontier Airlines
25 Aug - 31 Aug Frontier Airlines
28 Aug - 31 Aug Frontier Airlines

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

Skyscanner

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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