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

Return flights

09 Dec - 16 Dec	United
08 Dec - 11 Dec	Copa
18 Dec - 22 Dec	United
18 Dec - 21 Dec	United
20 Dec - 22 Dec	United
16 Dec - 19 Dec	United
15 Dec - 23 Dec	Spirit Airlines
22 Dec - 23 Dec	Viva
12 Dec - 23 Dec	Spirit Airlines
07 Dec - 09 Dec	Spirit Airlines
29 Dec - 15 Jan	Spirit Airlines
29 Dec - 17 Jan	Spirit Airlines
28 Dec - 15 Jan	Spirit Airlines
22 Dec - 12 Jan	Viva
27 Dec - 15 Jan	Spirit Airlines
28 Dec - 17 Jan	Spirit Airlines
25 Dec - 15 Jan	Spirit Airlines
26 Dec - 15 Jan	Viva
29 Dec - 12 Jan	Spirit Airlines
27 Dec - 17 Jan	Spirit Airlines

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 281€

Return flights