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

Return flights

15 Dec - 18 Dec	Wizz Air
13 Dec - 18 Dec	Wizz Air
09 Dec - 16 Dec	Wizz Air
01 Dec - 06 Dec	Wizz Air
11 Dec - 15 Dec	Wizz Air
11 Dec - 18 Dec	Wizz Air
17 Dec - 21 Dec	Wizz Air
17 Dec - 20 Dec	Wizz Air
18 Dec - 08 Jan	Wizz Air
14 Dec - 16 Dec	Aegean Airlines
02 Dec - 04 Dec	Wizz Air
30 Dec - 08 Jan	Wizz Air
28 Dec - 01 Jan	Wizz Air
28 Dec - 08 Jan	Wizz Air
29 Dec - 05 Jan	Wizz Air
30 Dec - 05 Jan	Wizz Air
26 Dec - 03 Jan	Wizz Air
29 Dec - 01 Jan	Wizz Air
29 Dec - 02 Jan	Wizz Air
30 Dec - 08 Jan	Air Serbia	direct

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 97€

Return flights