Cheapest return flights from Chicago to Belgrade in December from $652

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

Return flights

13 Dec - 17 Jan Scandinavian Airlines
26 Dec - 09 Jan Scandinavian Airlines
25 Dec - 08 Jan Lufthansa
29 Dec - 12 Jan SWISS
24 Dec - 03 Jan Frontier Airlines
19 Dec - 10 Jan Scandinavian Airlines
23 Dec - 31 Dec jetBlue

Also check the deals for one-way flights from Chicago 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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