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

Return flights

16 Oct - 20 Oct	Volaris Costa Rica
15 Oct - 22 Oct	Volaris Costa Rica
18 Oct - 26 Oct	Volaris El Salvador
09 Oct - 15 Oct	Volaris Costa Rica
17 Oct - 19 Oct	Volaris El Salvador
04 Oct - 12 Oct	Volaris El Salvador
08 Oct - 11 Oct	Volaris Costa Rica
04 Oct - 12 Oct	Alaska Airlines	direct
08 Oct - 11 Oct	Alaska Airlines	direct
17 Oct - 19 Oct	Alaska Airlines	direct

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

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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Cheapest return flights from Los Angeles to San Jose in October from $251

Return flights