Cheapest return flights from New York to San Jose in September from $265

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

10 Sep - 24 Sep Copa
16 Sep - 23 Sep Copa
10 Sep - 24 Sep jetBlue direct
09 Sep - 14 Sep jetBlue direct
10 Sep - 14 Sep jetBlue direct
16 Sep - 21 Sep jetBlue direct
16 Sep - 23 Sep jetBlue direct
23 Sep - 30 Sep jetBlue direct
18 Sep - 23 Sep Avianca
17 Sep - 22 Sep Delta
25 Sep - 12 Oct Avianca
23 Sep - 08 Oct jetBlue
25 Sep - 13 Oct Delta
21 Sep - 15 Oct Copa

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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