AirHint found the following cheapest return flights from Chicago (ORD) to Vilnius (VNO) in December 2025 (see full year).
Return flights
| 25 Dec - 09 Jan | Lufthansa | ||
| 30 Dec - 13 Jan | SWISS | ||
| 30 Dec - 15 Jan | Austrian Airlines | ||
| 28 Dec - 15 Jan | SWISS | ||
| 31 Dec - 11 Jan | SWISS | ||
| 24 Dec - 09 Jan | Lufthansa | ||
| 29 Dec - 08 Jan | Lufthansa |
Also check the deals for one-way flights from Chicago to Vilnius in December.
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