AirHint found the following cheapest return flights from Newark (EWR) to Buenos Aires (AEP) in July 2026 (see full year).

Return flights

22 Jul - 05 Aug	Spirit Airlines
24 Jul - 31 Jul	Arajet
21 Jul - 01 Aug	Arajet
02 Jul - 15 Jul	Hahn Air Technologies
01 Jul - 19 Jul	Spirit Airlines
11 Jul - 17 Jul	Spirit Airlines
08 Jul - 15 Jul	Spirit Airlines
27 Jul - 04 Aug	TAP

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

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 July from 825€

Return flights