Cheapest return flights from Las Vegas to San Jose in September from $315

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

Return flights

06 Sep - 09 Sep American Airlines
15 Sep - 21 Sep Southwest Airlines
25 Sep - 29 Sep Southwest Airlines
08 Sep - 13 Sep Spirit Airlines
19 Sep - 29 Sep Spirit Airlines
19 Sep - 06 Oct Spirit Airlines
08 Sep - 29 Sep Spirit Airlines
11 Sep - 13 Sep Spirit Airlines
15 Sep - 29 Sep Spirit Airlines
20 Sep - 29 Sep Spirit Airlines
11 Sep - 29 Sep Spirit Airlines
20 Sep - 06 Oct Spirit Airlines
15 Sep - 06 Oct Spirit Airlines
25 Sep - 06 Oct Spirit Airlines
19 Sep - 05 Oct Spirit Airlines
20 Sep - 05 Oct Spirit Airlines
15 Sep - 05 Oct Spirit Airlines
19 Sep - 10 Oct Spirit Airlines
25 Sep - 05 Oct Spirit Airlines
20 Sep - 10 Oct Spirit Airlines

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

Skyscanner

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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