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

Return flights

06 Dec - 09 Dec	Ryanair
02 Dec - 09 Dec	Wizz Air	direct
09 Dec - 13 Dec	Wizz Air	direct
16 Dec - 03 Jan	Wizz Air	direct
16 Dec - 20 Dec	Wizz Air	direct
02 Dec - 06 Dec	Wizz Air	direct
12 Dec - 14 Dec	Vueling Airlines
09 Dec - 20 Dec	Wizz Air	direct
02 Dec - 13 Dec	Wizz Air	direct
07 Dec - 14 Dec	Air Serbia	direct
11 Dec - 13 Dec	Air Serbia
27 Dec - 04 Jan	Wizz Air
23 Dec - 03 Jan	Wizz Air	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 148€

Return flights