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
23 Jan - 27 Jan	Avianca
24 Jan - 29 Jan	Avianca
19 Jan - 25 Jan	Avianca
27 Jan - 02 Feb	Avianca
19 Jan - 21 Jan	Avianca
27 Jan - 03 Feb	Avianca
19 Jan - 26 Jan	Avianca
22 Jan - 25 Jan	Avianca
22 Jan - 26 Jan	Avianca
09 Jan - 16 Jan	Frontier Airlines
11 Jan - 18 Jan	Frontier Airlines
30 Jan - 08 Feb	Avianca
30 Jan - 10 Feb	Avianca
25 Jan - 08 Feb	Copa

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 188€

Return flights