Cheapest return flights from Los Angeles to San Jose in September from 265€

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

Return flights

17 Sep - 23 Sep Volaris El Salvador
02 Sep - 30 Sep Spirit Airlines
19 Sep - 09 Oct Spirit Airlines
08 Sep - 30 Sep Frontier Airlines
19 Sep - 06 Oct Spirit Airlines
26 Sep - 09 Oct Spirit Airlines
15 Sep - 06 Oct Spirit Airlines
30 Sep - 09 Oct Spirit Airlines
26 Sep - 06 Oct Spirit Airlines
30 Sep - 06 Oct Spirit Airlines
15 Sep - 19 Sep Spirit Airlines
12 Sep - 19 Sep Spirit Airlines
29 Sep - 09 Oct Spirit Airlines
20 Sep - 28 Sep Spirit Airlines
28 Sep - 05 Oct Frontier Airlines
04 Sep - 07 Sep Frontier Airlines
29 Sep - 06 Oct Spirit Airlines
01 Sep - 12 Sep Spirit Airlines
09 Sep - 16 Sep Avianca
01 Sep - 08 Sep Spirit Airlines

Also check the deals for one-way 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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Feel free to contact us with any feedback or request another flight research.