Cheapest one-way flights from Los Angeles to San Juan in September from 113€

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

One-Way flights

26 Sep United
15 Sep Frontier Airlines
27 Sep Frontier Airlines
25 Sep Frontier Airlines
08 Sep Frontier Airlines
05 Sep Frontier Airlines
07 Sep Frontier Airlines
12 Sep Frontier Airlines
23 Sep Delta
11 Sep Frontier Airlines

Also check the deals for return flights from Los Angeles to San Juan in September.

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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