AirHint found the following cheapest one-way flights from Chicago (ORD) to Skopje (SKP) in December 2025 (see full year).
One-Way flights
| 06 Dec | Spirit Airlines | ||
| 07 Dec | Icelandair | ||
| 15 Dec | Frontier Airlines | ||
| 17 Dec | Icelandair | ||
| 24 Dec | Air Serbia | ||
| 25 Dec | Spirit Airlines | ||
| 28 Dec | SWISS | ||
| 22 Dec | Spirit Airlines | ||
| 21 Dec | Aer Lingus |
Also check the deals for return flights from Chicago to Skopje in December.
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