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

Return flights

12 Dec - 16 Dec	Lufthansa
12 Dec - 15 Dec	Lufthansa
13 Dec - 18 Dec	Lufthansa
18 Dec - 21 Dec	Lufthansa
11 Dec - 15 Dec	Lufthansa
21 Dec - 27 Dec	KLM
12 Dec - 14 Dec	Lufthansa
11 Dec - 14 Dec	Lufthansa
06 Dec - 07 Dec	Lufthansa
04 Dec - 07 Dec	Lufthansa
21 Dec - 02 Jan	KLM
25 Dec - 02 Jan	LOT
25 Dec - 01 Jan	Wizz Air Malta
18 Dec - 02 Jan	KLM
30 Dec - 02 Jan	KLM
26 Dec - 02 Jan	Wizz Air Malta

Also check the deals for one-way flights from Billund 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 Billund to Prague in December from $221

Return flights