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

Return flights

15 Jan - 23 Jan	Avianca
15 Jan - 20 Jan	Avianca
05 Jan - 16 Jan	Avianca
07 Jan - 21 Jan	Avianca
07 Jan - 11 Jan	Avianca
29 Jan - 02 Feb	Avianca
14 Jan - 21 Jan	Avianca
06 Jan - 16 Jan	Avianca
15 Jan - 19 Jan	Avianca
28 Jan - 28 Jan	Avianca
09 Jan - 23 Jan	Avianca
28 Jan - 20 Feb	jetBlue
28 Jan - 19 Feb	jetBlue
28 Jan - 21 Feb	Avianca
21 Jan - 21 Feb	Avianca

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 $244

Return flights