Cheapest return flights from London to Belgrade in December from 146€

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

Return flights

05 Dec - 07 Dec Air Serbia direct
08 Dec - 15 Dec Air Serbia direct
11 Dec - 15 Dec Air Serbia direct
12 Dec - 19 Dec Air Serbia direct
05 Dec - 16 Dec Air Serbia direct
07 Dec - 13 Dec Air Serbia direct
06 Dec - 07 Dec Air Serbia direct
08 Dec - 10 Dec Air Serbia direct
07 Dec - 08 Dec Air Serbia direct
04 Dec - 08 Dec Air Serbia direct
25 Dec - 01 Jan Vueling Airlines
29 Dec - 01 Jan Air Serbia direct
25 Dec - 01 Jan Air Serbia direct
06 Dec - 06 Jan Lufthansa
23 Dec - 07 Jan Air Serbia
25 Dec - 02 Jan Vueling Airlines
29 Dec - 07 Jan Austrian Airlines
30 Dec - 01 Jan Air Serbia direct
30 Dec - 02 Jan Lufthansa
29 Dec - 11 Jan Austrian Airlines

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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