Cheapest one-way flights from Los Angeles to San Jose in September from 111€

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

One-Way flights

11 Sep Volaris Costa Rica
05 Sep Volaris El Salvador
06 Sep Volaris Costa Rica
09 Sep Southwest Airlines
12 Sep Southwest Airlines
10 Sep Southwest Airlines
27 Sep Frontier Airlines
30 Sep Spirit Airlines
19 Sep Spirit Airlines
26 Sep Frontier Airlines

Also check the deals for return flights from Los Angeles to San Jose 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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