The cheapest time for group travel from Las Vegas to San Jose is typically during the off-peak seasons, such as August and September, as these days there is less demand for tickets, and to fill out those vacant spaces, most of the airlines offer the best deals for group travelers. Moreover, to get Las Vegas to San Jose group flightsat a cheap rate, prefer to travel during working days such as Tuesday and Wednesday or fly at midnight, as in this time zone there is more vacant space in the flight.