AirHint found the following cheapest return flights from Kansas City (MCI) to Athens (ATH) in December 2025 (see full year).
Return flights
| 25 Dec - 17 Jan | Spirit Airlines | ||
| 12 Dec - 05 Jan | Spirit Airlines | ||
| 23 Dec - 31 Dec | Spirit Airlines | ||
| 21 Dec - 31 Dec | Spirit Airlines |
Also check the deals for one-way flights from Kansas City to Athens in December.
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