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

Return flights

21 Aug - 28 Aug	Spirit Airlines
11 Aug - 25 Aug	Frontier Airlines
05 Aug - 11 Aug	Spirit Airlines
13 Aug - 18 Aug	Spirit Airlines
30 Aug - 07 Sep	Spirit Airlines
11 Aug - 17 Aug	Spirit Airlines
10 Aug - 13 Aug	Spirit Airlines
15 Aug - 23 Aug	Spirit Airlines
22 Aug - 31 Aug	Spirit Airlines
06 Aug - 13 Aug	Spirit Airlines
19 Aug - 02 Sep	Spirit Airlines
20 Aug - 04 Sep	Aeromexico
11 Aug - 24 Aug	Spirit Airlines
15 Aug - 06 Sep	Spirit Airlines
26 Aug - 02 Sep	Spirit Airlines
25 Aug - 05 Sep	Spirit Airlines
18 Aug - 01 Sep	Air Canada
31 Aug - 17 Sep	Air Canada
10 Aug - 08 Sep	Air Canada
25 Aug - 07 Sep	United

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

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 Newark to Buenos Aires in August from $766

Return flights