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

Return flights

05 Dec - 09 Dec	Viva
01 Dec - 09 Dec	Viva
05 Dec - 13 Dec	Viva
05 Dec - 14 Dec	Viva
01 Dec - 13 Dec	Viva
31 Dec - 07 Jan	Delta
01 Dec - 14 Dec	Viva
30 Dec - 13 Jan	Spirit Airlines
27 Dec - 13 Jan	Spirit Airlines
12 Dec - 13 Dec	Spirit Airlines
12 Dec - 14 Dec	Viva
31 Dec - 13 Jan	Spirit Airlines
05 Dec - 24 Dec	Viva
29 Dec - 13 Jan	Viva
12 Dec - 30 Dec	Viva
22 Dec - 03 Jan	Viva
30 Dec - 03 Jan	Spirit Airlines
27 Dec - 03 Jan	Spirit Airlines
31 Dec - 03 Jan	Spirit Airlines
29 Dec - 03 Jan	Viva

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

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from Las Vegas to San Jose in December from $208

Return flights