Cheapest return flights from Newark to Buenos Aires in September from 706€

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

Return flights

01 Sep - 11 Sep Frontier Airlines
15 Sep - 29 Sep Frontier Airlines
08 Sep - 15 Sep Frontier Airlines
26 Sep - 05 Oct Spirit Airlines
01 Sep - 07 Sep Frontier Airlines
09 Sep - 22 Sep Spirit Airlines
16 Sep - 24 Sep Frontier Airlines
16 Sep - 23 Sep Spirit Airlines
01 Sep - 29 Sep Air Canada
24 Sep - 01 Oct Air Canada
08 Sep - 16 Sep Frontier Airlines
09 Sep - 19 Oct Spirit Airlines
05 Sep - 13 Sep Frontier Airlines
24 Sep - 25 Oct Air Canada
24 Sep - 02 Oct Air Canada
27 Sep - 02 Oct Air Canada
29 Sep - 08 Oct Air Canada
29 Sep - 12 Oct 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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