Cheapest return flights from Newark to Buenos Aires in April from $743

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

Return flights

22 Apr - 26 Apr Spirit Airlines
01 Apr - 27 May Frontier Airlines
15 Apr - 19 Apr Spirit Airlines
05 Apr - 12 Apr Spirit Airlines
03 Apr - 13 Apr Spirit Airlines
01 Apr - 05 Apr Spirit Airlines
09 Apr - 17 Apr Arajet

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

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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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