AirHint found the following cheapest return flights from Los Angeles (LAX) to San Jose (SJO) in March 2026 (see full year).

Return flights

28 Mar - 05 Apr	Volaris Costa Rica
21 Mar - 28 Mar	Volaris El Salvador
26 Mar - 04 Apr	Volaris El Salvador
27 Mar - 04 Apr	Volaris El Salvador
21 Mar - 28 Mar	United	direct
26 Mar - 04 Apr	Alaska Airlines	direct
27 Mar - 04 Apr	Alaska Airlines	direct
28 Mar - 05 Apr	Alaska Airlines	direct

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

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 March from $356

Return flights