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

Return flights

19 Jan - 26 Jan	Delta
14 Jan - 22 Jan	Delta
12 Jan - 27 Jan	United
14 Jan - 29 Jan	Delta
27 Jan - 12 Feb	Delta
27 Jan - 05 Feb	Delta
06 Jan - 10 Feb	Delta
28 Jan - 04 Feb	Delta
26 Jan - 04 Feb	Delta
27 Jan - 13 Feb	Spirit Airlines
15 Jan - 24 Jan	Delta
30 Jan - 09 Feb	Delta
27 Jan - 06 Feb	Delta
27 Jan - 07 Feb	Delta
28 Jan - 07 Feb	Delta
16 Jan - 24 Jan	Delta
23 Jan - 30 Jan	Delta
13 Jan - 20 Jan	United
02 Jan - 20 Jan	United
12 Jan - 25 Jan	United

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

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 January from 657€

Return flights