AirHint found the following cheapest return flights from Chicago (ORD) to Athens (ATH) in October 2026 (see full year).
Return flights
| 06 Oct - 14 Oct | Turkish Airlines | ||
| 01 Oct - 16 Oct | Turkish Airlines | ||
| 31 Oct - 10 Nov | Scandinavian Airlines | ||
| 30 Oct - 08 Nov | Lufthansa | ||
| 10 Oct - 17 Oct | Air Serbia | ||
| 09 Oct - 21 Oct | Air Canada |
Also check the deals for one-way flights from Chicago to Athens in October.
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