Cheapest one-way flights from Los Angeles to San Juan in August from $136

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

One-Way flights

16 Aug Frontier Airlines
25 Aug Spirit Airlines
07 Aug Frontier Airlines
15 Aug Frontier Airlines
12 Aug Frontier Airlines
13 Aug Spirit Airlines
14 Aug Frontier Airlines
02 Aug Spirit Airlines
22 Aug Spirit Airlines
01 Aug Spirit Airlines

Also check the deals for return 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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