AirHint found the following cheapest return flights from Pittsburgh (PIT) to Athens (ATH) in December 2025 (see full year).
Return flights
| 24 Dec - 17 Jan | Allegiant Air | ||
| 23 Dec - 17 Jan | Breeze Airways | ||
| 22 Dec - 17 Jan | Allegiant Air |
Also check the deals for one-way flights from Pittsburgh to Athens in December.
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