AirHint found the following cheapest one-way flights from Chicago (ORD) to Athens (ATH) in March 2026 (see full year).
One-Way flights
| 09 Mar | Frontier Airlines | ||
| 23 Mar | Frontier Airlines | ||
| 14 Mar | Air Serbia | ||
| 07 Mar | Air Serbia | ||
| 10 Mar | Icelandair | ||
| 19 Mar | Spirit Airlines | ||
| 11 Mar | Air France | ||
| 08 Mar | TAP | ||
| 04 Mar | KLM | ||
| 03 Mar | Spirit Airlines |
Also check the deals for return flights from Chicago to Athens in March.
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