AirHint found the following cheapest return flights from Belgrade (BEG) to Lisbon (LIS) in December 2025 (see full year).

Return flights

23 Dec - 10 Jan	Wizz Air
02 Dec - 06 Dec	Wizz Air
06 Dec - 13 Dec	Wizz Air
01 Dec - 15 Dec	Wizz Air
03 Dec - 10 Dec	Wizz Air
07 Dec - 11 Dec	Wizz Air
07 Dec - 14 Dec	easyJet
13 Dec - 16 Dec	Wizz Air
06 Dec - 09 Dec	Wizz Air
02 Dec - 16 Dec	Wizz Air
04 Dec - 11 Dec	Air Serbia
23 Dec - 11 Jan	Air Serbia
25 Dec - 01 Jan	KLM
27 Dec - 08 Jan	Wizz Air
28 Dec - 10 Jan	Wizz Air
28 Dec - 01 Jan	Wizz Air
29 Dec - 01 Jan	Air Serbia
30 Dec - 03 Jan	Lufthansa
24 Dec - 02 Jan	Wizz Air
31 Dec - 03 Jan	Air Serbia

Also check the deals for one-way flights from Belgrade to Lisbon 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 Belgrade to Lisbon in December from $155

Return flights