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 - 06 Jun Viva
18 May - 06 Jun Viva
25 May - 13 Jun Viva
25 May - 30 May Viva
25 May - 29 May Viva
27 May - 01 Jun Frontier Airlines
11 May - 15 May Viva
11 May - 19 May Viva
29 May - 06 Jun Alaska Airlines
28 May - 30 May Frontier Airlines
18 May - 29 May Alaska Airlines direct
09 May - 16 May Avianca
17 May - 29 May Volaris
28 May - 07 Jun Frontier Airlines
24 May - 06 Jun Volaris
26 May - 30 May Frontier Airlines
23 May - 06 Jun Avianca
17 May - 26 May Avianca
24 May - 03 Jun Volaris
02 May - 02 Jun Alaska Airlines

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

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