AirHint found the following cheapest return flights from Dallas (DAL) to Athens (ATH) in December 2025 (see full year).
Return flights
| 01 Dec - 12 Jan | KLM | ||
| 29 Dec - 05 Jan | Delta | ||
| 06 Dec - 20 Dec | Air France | ||
| 24 Dec - 30 Dec | Delta | ||
| 13 Dec - 03 Jan | Air France |
Also check the deals for one-way flights from Dallas to Athens in December.
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