Cheapest return flights from London to Belgrade in December from $131

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

Return flights

05 Dec - 08 Dec Air Serbia direct
04 Dec - 07 Dec Air Serbia direct
05 Dec - 09 Dec Air Serbia direct
06 Dec - 07 Dec Air Serbia direct
04 Dec - 08 Dec Air Serbia direct
03 Dec - 06 Dec Air Serbia direct
05 Dec - 12 Dec Air Serbia direct
02 Dec - 05 Dec Air Serbia direct
03 Dec - 05 Dec Air Serbia direct
10 Dec - 11 Dec Air Serbia direct
31 Dec - 16 Jan Air Serbia direct
15 Dec - 13 Jan Air Serbia direct
29 Dec - 07 Jan KLM
25 Dec - 12 Jan Austrian Airlines
29 Dec - 09 Jan Austrian Airlines
16 Dec - 13 Jan Air Serbia direct
30 Dec - 11 Jan SWISS
29 Dec - 06 Jan Austrian Airlines
26 Dec - 10 Jan LOT
25 Dec - 12 Jan Air Serbia direct

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

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