AirHint found the following cheapest return flights from Warsaw (WAW) to Ostrava (OSR) in December 2025 (see full year).
Return flights
| 30 Dec - 02 Jan | LOT | direct | |
| 24 Dec - 26 Dec | LOT | direct | |
| 23 Dec - 24 Dec | LOT | direct | |
| 22 Dec - 23 Dec | Ryanair |
Also check the deals for one-way flights from Warsaw to Ostrava in December.
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