Cheapest return LAX–SJO flights, August

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

Return flights

11 Aug - 18 Aug Southwest Airlines
15 Aug - 18 Aug Frontier Airlines
15 Aug - 22 Aug Avianca
28 Aug - 06 Sep Alaska Airlines
29 Aug - 06 Sep Alaska Airlines
09 Aug - 18 Aug Alaska Airlines
04 Aug - 13 Aug Alaska Airlines
27 Aug - 01 Sep Copa
13 Aug - 23 Aug Copa
03 Aug - 17 Aug Alaska Airlines
13 Aug - 23 Aug Alaska Airlines direct

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

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