AirHint found the following cheapest return flights from Kos (KGS) to Prague (PRG) in December 2025 (see full year).
Return flights
| 01 Dec - 05 Dec | Aegean Airlines | ||
| 09 Dec - 11 Dec | Aegean Airlines | ||
| 29 Dec - 15 Jan | SKY express | ||
| 29 Dec - 16 Jan | SKY express | ||
| 29 Dec - 02 Jan | Aegean Airlines |
Also check the deals for one-way flights from Kos to Prague in December.
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