Cheapest return flights from Newark to Buenos Aires in September from $868

Best time to book flights for Newark (EWR) to Buenos Aires (EZE) flights at AirHint

AirHint found the following cheapest return flights from Newark (EWR) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

14 Sep - 25 Sep Air Canada
13 Sep - 29 Sep Air Canada
30 Sep - 16 Oct Aeromexico
03 Sep - 23 Sep United
01 Sep - 15 Sep United
01 Sep - 08 Sep United
09 Sep - 29 Oct United
01 Sep - 30 Oct Delta
19 Sep - 06 Oct Aeromexico
15 Sep - 11 Oct Air Canada
02 Sep - 07 Sep Aeromexico
01 Sep - 05 Sep Delta

Also check the deals for one-way flights from Newark to Buenos Aires 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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