AirHint found the following cheapest one-way flights from Newark (EWR) to Buenos Aires (AEP) in January 2026 (see full year).
One-Way flights
| 12 Jan | Spirit Airlines | ||
| 07 Jan | Spirit Airlines | ||
| 11 Jan | Spirit Airlines | ||
| 10 Jan | Spirit Airlines | ||
| 27 Jan | Arajet | ||
| 09 Jan | Spirit Airlines | ||
| 21 Jan | jetBlue | ||
| 15 Jan | Arajet | ||
| 13 Jan | Frontier Airlines | ||
| 22 Jan | Arajet |
Also check the deals for return flights from Newark to Buenos Aires in January.
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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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