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

Return flights

31 Jan - 11 Feb	Avianca
16 Jan - 23 Jan	Delta
17 Jan - 25 Jan	Avianca
23 Jan - 28 Jan	Delta
17 Jan - 22 Jan	Avianca
15 Jan - 23 Jan	Avianca
30 Jan - 02 Feb	Delta
12 Jan - 20 Jan	Avianca
23 Jan - 27 Jan	Avianca
29 Jan - 01 Feb	Avianca
16 Jan - 20 Jan	Avianca
01 Jan - 14 Feb	jetBlue
18 Jan - 24 Jan	Avianca
04 Jan - 23 Jan	jetBlue

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 192€

Return flights