AirHint found the following cheapest return flights from New York (JFK) to San Jose (SJO) in December 2025 (see full year).

Return flights

05 Dec - 12 Dec	jetBlue
05 Dec - 12 Dec	jetBlue	direct
11 Dec - 16 Dec	jetBlue
16 Dec - 25 Dec	jetBlue
26 Dec - 16 Jan	Avianca
07 Dec - 06 Jan	Copa
25 Dec - 16 Jan	Avianca
20 Dec - 25 Dec	Avianca
23 Dec - 30 Dec	Avianca
19 Dec - 25 Dec	Avianca
20 Dec - 22 Dec	Avianca
27 Dec - 01 Jan	Avianca
28 Dec - 03 Jan	Avianca
23 Dec - 06 Jan	Avianca
25 Dec - 04 Jan	Copa
22 Dec - 06 Jan	Copa
20 Dec - 01 Jan	Avianca
25 Dec - 02 Jan	Avianca

Also check the deals for one-way flights from New York 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 New York to San Jose in December from $342

Return flights