Cheapest return flights from New York to San Jose in September from $166

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 - 20 Sep Spirit Airlines
08 Sep - 17 Sep Spirit Airlines
07 Sep - 20 Sep Spirit Airlines
07 Sep - 17 Sep Spirit Airlines
07 Sep - 08 Sep Spirit Airlines
10 Sep - 20 Sep Spirit Airlines
10 Sep - 17 Sep Spirit Airlines
09 Sep - 20 Sep Spirit Airlines
09 Sep - 17 Sep Spirit Airlines
08 Sep - 10 Sep Spirit Airlines
09 Sep - 07 Oct Spirit Airlines
17 Sep - 07 Oct Spirit Airlines
06 Sep - 09 Oct jetBlue direct
16 Sep - 01 Oct Spirit Airlines
11 Sep - 01 Oct Spirit Airlines
13 Sep - 01 Oct Spirit Airlines
26 Sep - 05 Oct Avianca
16 Sep - 04 Oct Spirit Airlines
17 Sep - 04 Oct Spirit Airlines
24 Sep - 03 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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