Cheapest return flights from Los Angeles to San Jose in September from $256

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

Return flights

22 Sep - 01 Oct Volaris El Salvador
29 Sep - 04 Oct Spirit Airlines
29 Sep - 03 Oct Spirit Airlines
29 Sep - 19 Oct Spirit Airlines
23 Sep - 01 Oct Volaris El Salvador
29 Sep - 15 Oct Spirit Airlines
29 Sep - 09 Oct Spirit Airlines
29 Sep - 20 Oct Spirit Airlines
23 Sep - 30 Sep Volaris El Salvador
26 Sep - 01 Oct Volaris El Salvador
29 Sep - 07 Oct Spirit Airlines
17 Sep - 30 Sep Volaris El Salvador
28 Sep - 30 Sep Volaris Costa Rica
16 Sep - 26 Sep Volaris El Salvador
22 Sep - 29 Sep Volaris El Salvador
24 Sep - 29 Sep Spirit Airlines
19 Sep - 30 Sep Volaris El Salvador
26 Sep - 28 Sep Volaris El Salvador
19 Sep - 26 Sep Volaris El Salvador
19 Sep - 23 Sep Volaris El Salvador

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

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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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