Cheapest return flights from Newark to Buenos Aires in September from 754€

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

Return flights

01 Sep - 07 Sep Frontier Airlines
17 Sep - 29 Sep Air Canada
16 Sep - 24 Sep Air Canada
19 Sep - 29 Sep Air Canada
01 Sep - 15 Sep jetBlue
09 Sep - 19 Oct Aeromexico
25 Sep - 07 Oct United
08 Sep - 16 Sep Delta
16 Sep - 26 Sep United
17 Sep - 28 Sep Delta
25 Sep - 05 Oct Delta
28 Sep - 05 Oct United
19 Sep - 05 Oct Delta
19 Sep - 26 Sep Delta
20 Sep - 26 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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