AirHint found the following cheapest one-way flights from Boston (BOS) to Buenos Aires (EZE) in January 2026 (see full year).
One-Way flights
| 30 Jan | Arajet | ||
| 27 Jan | LATAM Airlines Group | ||
| 24 Jan | LATAM Airlines Group | ||
| 12 Jan | Copa | ||
| 15 Jan | Copa | ||
| 18 Jan | Copa |
Also check the deals for return flights from Boston to Buenos Aires in January.
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