AirHint found the following cheapest return flights from Harrisburg (MDT) to Athens (ATH) in December 2025 (see full year).
Return flights
| 02 Dec - 09 Dec | Delta | ||
| 16 Dec - 23 Dec | Delta | ||
| 01 Dec - 08 Dec | Lufthansa | ||
| 23 Dec - 30 Dec | Allegiant Air |
Also check the deals for one-way flights from Harrisburg to Athens in December.
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