Cheapest return flights from New York to San Jose in September from $281

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

16 Sep - 23 Sep Copa
11 Sep - 15 Sep jetBlue direct
16 Sep - 23 Sep jetBlue direct
16 Sep - 24 Sep Delta
19 Sep - 24 Sep Avianca
12 Sep - 15 Sep Avianca
10 Sep - 17 Sep Copa
04 Sep - 08 Sep American Airlines
26 Sep - 29 Sep American Airlines
05 Sep - 26 Sep jetBlue direct
28 Sep - 05 Oct Avianca
28 Sep - 05 Oct jetBlue direct
19 Sep - 05 Oct jetBlue direct
25 Sep - 09 Oct jetBlue

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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