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

Return flights

13 Mar - 19 Mar	Arajet
20 Mar - 22 Mar	Arajet
13 Mar - 22 Mar	Arajet
20 Mar - 27 Mar	Arajet
10 Mar - 27 Mar	Arajet
05 Mar - 13 Mar	Air Canada
27 Mar - 03 Apr	Arajet
09 Mar - 27 Mar	Arajet
01 Mar - 20 Mar	Air Canada
01 Mar - 13 Mar	Air Canada
08 Mar - 18 Mar	Air Canada
19 Mar - 10 Apr	Arajet
18 Mar - 24 Apr	United

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

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 March from $654

Return flights