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

Return flights

12 Dec - 15 Dec	Ryanair
21 Dec - 04 Jan	easyJet
04 Dec - 16 Dec	Wizz Air Malta
24 Dec - 15 Jan	Vueling Airlines
14 Dec - 16 Dec	Wizz Air Malta
04 Dec - 11 Dec	Wizz Air Malta
15 Dec - 18 Dec	Ryanair
25 Dec - 15 Jan	Wizz Air Malta
25 Dec - 04 Jan	Wizz Air Malta
03 Dec - 09 Dec	easyJet
11 Dec - 14 Dec	Vueling Airlines
25 Dec - 11 Jan	Wizz Air Malta
26 Dec - 12 Jan	Ryanair
12 Dec - 14 Dec	Ryanair
02 Dec - 21 Dec	Ryanair
04 Dec - 09 Dec	Wizz Air Malta
28 Dec - 07 Jan	Air Serbia
30 Dec - 07 Jan	Air Serbia
28 Dec - 06 Jan	Air Serbia
25 Dec - 15 Jan	Air Serbia	direct

Also check the deals for one-way flights from Lisbon to Belgrade 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 Lisbon to Belgrade in December from 108€

Return flights