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

Return flights

16 Apr - 21 Apr	Avianca
14 Apr - 21 Apr	Avianca
15 Apr - 22 Apr	Avianca
14 Apr - 26 Apr	Avianca
29 Apr - 03 May	United
10 Apr - 18 Apr	Avianca
05 Apr - 15 Apr	Avianca
03 Apr - 11 Apr	Avianca
07 Apr - 14 Apr	Spirit Airlines
06 Apr - 14 Apr	Spirit Airlines
04 Apr - 14 Apr	Spirit Airlines

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

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 April from 279€

Return flights