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

Return flights

06 Dec - 13 Dec	Delta
10 Dec - 16 Dec	Delta
17 Dec - 24 Dec	Delta
29 Dec - 06 Jan	Delta
25 Dec - 07 Jan	Delta
28 Dec - 10 Jan	KLM
15 Dec - 05 Jan	Delta
16 Dec - 05 Jan	Delta
12 Dec - 20 Dec	Delta
25 Dec - 04 Jan	Delta
27 Dec - 04 Jan	Delta
14 Dec - 21 Dec	KLM
25 Dec - 03 Jan	Delta
26 Dec - 03 Jan	Delta
12 Dec - 26 Dec	KLM
15 Dec - 29 Dec	KLM
18 Dec - 28 Dec	KLM
19 Dec - 02 Jan	KLM

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Dallas to Prague in December from 656€

Return flights