Cheapest return LAX–SJO flights, May

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

Return flights

25 May - 13 Jun Viva
25 May - 28 May Viva
27 May - 05 Jun Frontier Airlines
30 May - 07 Jun Alaska Airlines direct
25 May - 30 May Viva
25 May - 02 Jun Viva
23 May - 29 May Avianca
26 May - 30 May Copa
27 May - 30 May Copa
29 May - 02 Jun Copa
29 May - 07 Jun Copa
25 May - 01 Jun Viva
23 May - 30 May United direct
23 May - 29 May Alaska Airlines direct
26 May - 11 Jun Alaska Airlines direct
31 May - 09 Jun Alaska Airlines
29 May - 02 Jun Alaska Airlines direct
22 May - 31 May United
24 May - 31 May United
27 May - 30 May Alaska Airlines direct

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

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