Cheapest return flights from London to Belgrade in December from $149

Best time to book flights for London (LON) to Belgrade (BEG) flights at AirHint

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

Return flights

01 Dec - 01 Dec Wizz Air UK
16 Dec - 23 Dec Lufthansa
16 Dec - 23 Dec Air Serbia direct
26 Dec - 08 Jan Austrian Airlines
23 Dec - 05 Jan Air Serbia direct
26 Dec - 08 Jan Air Serbia direct
26 Dec - 05 Jan Wizz Air UK direct
19 Dec - 05 Jan Wizz Air UK direct
26 Dec - 09 Jan Wizz Air UK direct
19 Dec - 08 Jan Wizz Air UK direct

Also check the deals for one-way flights from London to Belgrade in December.

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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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