AirHint found the following cheapest return flights from New York (JFK) to Buenos Aires (EZE) in October 2025 (see full year).

Return flights

02 Oct - 05 Oct	Copa
16 Oct - 27 Oct	Copa
13 Oct - 19 Oct	Frontier Airlines
21 Oct - 26 Oct	Avianca
22 Oct - 26 Oct	Avianca
20 Oct - 31 Oct	Avianca
17 Oct - 24 Oct	Avianca
17 Oct - 07 Nov	Avianca
21 Oct - 28 Oct	Copa
17 Oct - 26 Oct	Avianca
14 Oct - 26 Oct	Avianca
27 Oct - 03 Nov	Avianca
11 Oct - 05 Nov	Avianca
22 Oct - 26 Nov	Copa
01 Oct - 01 Nov	Avianca
27 Oct - 03 Nov	Delta	direct

Also check the deals for one-way flights from New York to Buenos Aires 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 Buenos Aires in October from 564€

Return flights