AirHint found the following cheapest return flights from Las Vegas (LAS) to San Jose (SJO) in August 2025 (see full year).

Return flights

14 Aug - 20 Aug	Southwest Airlines
02 Aug - 11 Aug	Southwest Airlines
01 Aug - 06 Aug	Spirit Airlines
02 Aug - 06 Aug	Spirit Airlines
01 Aug - 11 Aug	Spirit Airlines
01 Aug - 02 Aug	Spirit Airlines
01 Aug - 08 Aug	Spirit Airlines
02 Aug - 08 Aug	Spirit Airlines
14 Aug - 03 Sep	Spirit Airlines
01 Aug - 04 Aug	Spirit Airlines
02 Aug - 04 Aug	Spirit Airlines
17 Aug - 03 Sep	Spirit Airlines
14 Aug - 04 Sep	Spirit Airlines
17 Aug - 04 Sep	Spirit Airlines

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

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 Las Vegas to San Jose in August from $316

Return flights