Cheapest return flights from New York to San Jose in September from $264

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

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

Return flights

11 Sep - 15 Sep jetBlue direct
12 Sep - 15 Sep American Airlines
10 Sep - 17 Sep American Airlines
16 Sep - 23 Sep Copa
30 Sep - 30 Sep Copa
26 Sep - 29 Sep American Airlines
12 Sep - 15 Sep jetBlue direct
16 Sep - 23 Sep jetBlue direct
28 Sep - 05 Oct Avianca
21 Sep - 28 Sep Avianca
01 Sep - 08 Sep jetBlue
28 Sep - 05 Oct jetBlue direct

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

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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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