Cheapest return flights from Cleveland to Belgrade in December from $541

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

Return flights

10 Dec - 19 Jan Lufthansa
10 Dec - 07 Jan Frontier Airlines
09 Dec - 16 Dec Lufthansa
25 Dec - 20 Jan Austrian Airlines
16 Dec - 23 Dec Lufthansa
15 Dec - 22 Dec Austrian Airlines
17 Dec - 24 Dec Lufthansa

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

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