AirHint found the following cheapest one-way flights from Chicago (ORD) to Athens (ATH) in March 2026 (see full year).
One-Way flights
| 01 Mar | Frontier Airlines | ||
| 02 Mar | Frontier Airlines | ||
| 09 Mar | Icelandair | ||
| 08 Mar | Lufthansa | ||
| 20 Mar | Spirit Airlines | ||
| 13 Mar | Spirit Airlines | ||
| 15 Mar | TAP |
Also check the deals for return flights from Chicago to Athens in March.
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