AirHint found the following cheapest return flights from New York (NYC) to San Jose (SJO) in June 2025 (see full year).

Return flights

20 Jun - 29 Jun	United
21 Jun - 29 Jun	United
25 Jun - 01 Jul	Volaris El Salvador
21 Jun - 25 Jun	United
22 Jun - 06 Jul	Volaris El Salvador
22 Jun - 29 Jun	Volaris El Salvador
25 Jun - 29 Jun	United
30 Jun - 13 Jul	Allegiant Air
27 Jun - 06 Jul	jetBlue
27 Jun - 02 Jul	jetBlue
27 Jun - 04 Jul	jetBlue
27 Jun - 29 Jun	jetBlue
28 Jun - 04 Jul	United
30 Jun - 28 Jul	American Airlines
29 Jun - 13 Jul	United
20 Jun - 22 Jun	United
21 Jun - 22 Jun	jetBlue
30 Jun - 15 Jul	Spirit Airlines
20 Jun - 25 Jun	United
23 Jun - 28 Jun	Avianca

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

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 June from $267

Return flights