AirHint found the following cheapest return flights from Cincinnati (CVG) to Buenos Aires (EZE) in May 2026 (see full year).
Return flights
| 11 May - 26 May | Frontier Airlines | ||
| 11 May - 18 May | Frontier Airlines | ||
| 05 May - 12 May | Frontier Airlines | ||
| 12 May - 19 May | Frontier Airlines | ||
| 13 May - 20 May | Frontier Airlines | ||
| 23 May - 30 May | Allegiant Air |
Also check the deals for one-way flights from Cincinnati to Buenos Aires in May.
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