AirHint found the following cheapest return flights from St. Louis (STL) to Athens (ATH) in November 2025 (see full year).
Return flights
| 23 Nov - 13 Dec | Lufthansa | ||
| 23 Nov - 28 Nov | Frontier Airlines | ||
| 24 Nov - 29 Nov | Lufthansa | ||
| 21 Nov - 28 Nov | Frontier Airlines |
Also check the deals for one-way flights from St. Louis to Athens in November.
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