AirHint found the following cheapest one-way flights from Austin (AUS) to Prague (PRG) in December 2025 (see full year).
One-Way flights
| 10 Dec | Frontier Airlines | ||
| 13 Dec | Spirit Airlines | ||
| 14 Dec | Frontier Airlines | ||
| 15 Dec | Spirit Airlines | ||
| 17 Dec | Spirit Airlines |
Also check the deals for return flights from Austin to Prague in December.
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