Cheapest return flights from Los Angeles to San Juan in August from 274€

Best time to book flights for Los Angeles (LAX) to San Juan (SJU) flights at AirHint

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

Return flights

05 Aug - 12 Aug Frontier Airlines
06 Aug - 12 Aug Frontier Airlines
10 Aug - 16 Aug Delta
19 Aug - 26 Aug Southwest Airlines
06 Aug - 11 Aug Frontier Airlines
07 Aug - 11 Aug Frontier Airlines
19 Aug - 22 Aug United
23 Aug - 31 Aug Delta
06 Aug - 13 Aug United
12 Aug - 25 Aug United

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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