AirHint found the following cheapest one-way flights from Chicago (ORD) to Warsaw (WAW) in December 2025 (see full year).
One-Way flights
| 02 Dec | Spirit Airlines | ||
| 12 Dec | Spirit Airlines | ||
| 14 Dec | TAP | ||
| 28 Dec | SWISS | ||
| 29 Dec | SWISS | ||
| 15 Dec | Frontier Airlines | ||
| 25 Dec | United | ||
| 19 Dec | WestJet | ||
| 29 Dec | LOT | direct | |
| 12 Dec | LOT | direct |
Also check the deals for return flights from Chicago to Warsaw in December.
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