AirHint found the following cheapest return flights from Philadelphia (PHL) to Buenos Aires (EZE) in January 2026 (see full year).
Return flights
| 25 Jan - 01 Feb | Frontier Airlines | ||
| 12 Jan - 19 Jan | Frontier Airlines | ||
| 01 Jan - 19 Jan | Spirit Airlines | ||
| 06 Jan - 10 Jan | Frontier Airlines |
Also check the deals for one-way flights from Philadelphia to Buenos Aires in January.
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