Cheapest return flights from New York to San Jose in September from $269

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

Return flights

06 Sep - 13 Sep Avianca
08 Sep - 10 Sep Avianca
11 Sep - 14 Sep jetBlue
19 Sep - 24 Sep Avianca
01 Sep - 08 Sep Avianca
17 Sep - 22 Sep Avianca
01 Sep - 08 Sep jetBlue direct
30 Sep - 14 Oct Avianca
08 Sep - 15 Sep Avianca
18 Sep - 23 Sep Avianca
20 Sep - 24 Sep Avianca
28 Sep - 07 Oct Avianca

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.

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