AirHint found the following cheapest return flights from New York (JFK) to San Jose (SJO) in January 2026 (see full year).

Return flights

22 Jan - 30 Jan	Avianca
22 Jan - 28 Jan	Avianca
19 Jan - 25 Jan	Avianca
26 Jan - 30 Jan	Avianca
22 Jan - 29 Jan	Avianca
28 Jan - 04 Feb	Avianca
24 Jan - 30 Jan	Avianca
25 Jan - 30 Jan	Avianca
24 Jan - 29 Jan	Avianca
23 Jan - 30 Jan	American Airlines
24 Jan - 28 Jan	Avianca
30 Jan - 04 Feb	Avianca
29 Jan - 03 Feb	Avianca
28 Jan - 05 Feb	Avianca
29 Jan - 02 Feb	Avianca
30 Jan - 10 Feb	Avianca
31 Jan - 06 Feb	Avianca
29 Jan - 01 Feb	Avianca
27 Jan - 04 Feb	Copa
30 Jan - 04 Feb	jetBlue	direct

Also check the deals for one-way flights from New York to San Jose in January.

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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Cheapest return flights from New York to San Jose in January from $197

Return flights