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

Return flights

23 Oct - 28 Oct	Avianca
23 Oct - 31 Oct	Avianca
26 Oct - 01 Nov	Avianca
29 Oct - 09 Nov	Avianca
09 Oct - 19 Oct	Avianca
09 Oct - 22 Oct	Avianca
22 Oct - 30 Oct	Avianca
24 Oct - 27 Oct	Avianca
26 Oct - 28 Oct	Avianca
23 Oct - 30 Oct	Avianca
23 Oct - 27 Oct	Avianca
12 Oct - 17 Oct	Avianca
25 Oct - 01 Nov	Delta
31 Oct - 05 Nov	Copa
06 Oct - 01 Nov	Avianca
24 Oct - 01 Nov	Copa
27 Oct - 02 Nov	Copa

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

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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Cheapest return flights from New York to San Jose in October from 184€

Return flights