Cheapest return flights from New York to San Jose in September from $263

Best time to book flights for New York (NYC) to San Jose (SJO) flights at AirHint

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

Return flights

08 Sep - 28 Oct Avianca
15 Sep - 22 Sep Avianca
15 Sep - 06 Oct Avianca
20 Sep - 02 Oct Avianca
05 Sep - 17 Sep jetBlue direct
14 Sep - 21 Sep jetBlue direct
08 Sep - 28 Oct jetBlue direct
04 Sep - 28 Sep Avianca
12 Sep - 14 Sep Avianca
12 Sep - 15 Sep Avianca
03 Sep - 17 Sep United direct
04 Sep - 18 Sep United direct
20 Sep - 03 Oct Avianca
03 Sep - 10 Sep United
15 Sep - 22 Sep United direct
30 Sep - 02 Oct jetBlue direct

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

Skyscanner

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose