Cheapest return flights from San Francisco to Belgrade in December from $918

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

Return flights

14 Dec - 26 Jan Aer Lingus
24 Dec - 11 Jan Frontier Airlines
14 Dec - 21 Dec Aer Lingus
13 Dec - 20 Dec Aer Lingus
24 Dec - 31 Dec Lufthansa
20 Dec - 06 Jan Frontier Airlines
19 Dec - 28 Dec Hawaiian Airlines
12 Dec - 03 Jan Frontier Airlines
19 Dec - 02 Jan Hawaiian Airlines

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

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