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

Return flights

03 Dec - 10 Dec	Wizz Air
06 Dec - 17 Dec	Wizz Air
06 Dec - 16 Dec	Wizz Air
09 Dec - 12 Dec	Wizz Air
04 Dec - 11 Dec	Wizz Air UK
05 Dec - 12 Dec	Wizz Air UK
09 Dec - 11 Dec	Wizz Air
10 Dec - 12 Dec	Wizz Air
16 Dec - 23 Dec	Wizz Air
22 Dec - 26 Dec	Wizz Air
25 Dec - 08 Jan	Wizz Air UK
25 Dec - 11 Jan	Air Serbia
23 Dec - 04 Jan	Wizz Air
23 Dec - 10 Jan	Wizz Air
25 Dec - 04 Jan	Air Serbia	direct
23 Dec - 01 Jan	Wizz Air
31 Dec - 04 Jan	Wizz Air UK
23 Dec - 04 Jan	Air Serbia	direct
28 Dec - 02 Jan	Wizz Air
28 Dec - 06 Jan	Wizz Air

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 117€

Return flights