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

Return flights

21 Jan - 28 Jan	Avianca
22 Jan - 29 Jan	Avianca
28 Jan - 04 Feb	Avianca
29 Jan - 05 Feb	Avianca
27 Jan - 05 Feb	Avianca
21 Jan - 25 Jan	Avianca
27 Jan - 06 Feb	Avianca
17 Jan - 25 Jan	Avianca
22 Jan - 28 Jan	Avianca
23 Jan - 30 Jan	Avianca
20 Jan - 25 Jan	Avianca
14 Jan - 21 Jan	Avianca
15 Jan - 22 Jan	Avianca
18 Jan - 25 Jan	Avianca
30 Jan - 06 Feb	Avianca
23 Jan - 01 Feb	American Airlines
26 Jan - 02 Feb	Avianca
27 Jan - 03 Feb	Avianca
27 Jan - 06 Feb	jetBlue	direct
27 Jan - 05 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 $225

Return flights