Cheapest return flights from Denver to Prague in December from $689

AirHint found the following cheapest return flights from Denver (DEN) to Prague (PRG) in December 2025 (see full year).

Return flights

13 Dec - 17 Dec Turkish Airlines
30 Dec - 24 Jan Icelandair
15 Dec - 10 Jan Frontier Airlines
23 Dec - 17 Jan Air Canada
27 Dec - 17 Jan Lufthansa
26 Dec - 17 Jan Frontier Airlines
06 Dec - 20 Dec Turkish Airlines
10 Dec - 07 Jan Frontier Airlines
29 Dec - 05 Jan Lufthansa
22 Dec - 17 Jan Frontier Airlines
16 Dec - 30 Dec Brussels Airlines
28 Dec - 04 Jan Lufthansa
28 Dec - 31 Dec Turkish Airlines
18 Dec - 30 Dec Frontier Airlines

Also check the deals for one-way flights from Denver to Prague in December.

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