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

Return flights

24 Jan - 07 Feb	Volaris El Salvador
28 Jan - 03 Feb	Spirit Airlines
26 Jan - 30 Jan	Copa
30 Jan - 19 Feb	Copa
26 Jan - 30 Jan	Alaska Airlines	direct
17 Jan - 27 Jan	Avianca
27 Jan - 07 Feb	Avianca
31 Jan - 07 Feb	Avianca
20 Jan - 31 Jan	Southwest Airlines
01 Jan - 18 Jan	United
01 Jan - 17 Jan	United
01 Jan - 16 Jan	Alaska Airlines
12 Jan - 30 Jan	Viva
12 Jan - 19 Jan	Avianca
06 Jan - 20 Jan	United
24 Jan - 07 Feb	Alaska Airlines	direct
26 Jan - 09 Feb	Spirit Airlines
22 Jan - 09 Feb	Spirit Airlines
26 Jan - 08 Feb	Spirit Airlines
20 Jan - 09 Feb	Spirit Airlines

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

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 January from 225€

Return flights