AirHint found the following cheapest one-way flights from Chicago (ORD) to Athens (ATH) in January 2026 (see full year).
One-Way flights
| 11 Jan | Spirit Airlines | ||
| 19 Jan | Spirit Airlines | ||
| 18 Jan | Spirit Airlines | ||
| 15 Jan | Frontier Airlines | ||
| 03 Jan | Air Serbia |
Also check the deals for return flights from Chicago to Athens in January.
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