AirHint found the following cheapest one-way flights from Chicago (ORD) to Bergamo (BGY) in December 2025 (see full year).
One-Way flights
| 03 Dec | Frontier Airlines | ||
| 09 Dec | Icelandair | ||
| 08 Dec | Icelandair | ||
| 05 Dec | Frontier Airlines | ||
| 02 Dec | Spirit Airlines | ||
| 06 Dec | jetBlue | ||
| 11 Dec | jetBlue | ||
| 01 Dec | Frontier Airlines | ||
| 13 Dec | Frontier Airlines | ||
| 28 Dec | TAP |
Also check the deals for return flights from Chicago to Bergamo in December.
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