Cheapest one-way flights from Chicago to Belgrade in December from 255€

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

One-Way flights

03 Dec Frontier Airlines
09 Dec Icelandair
05 Dec jetBlue
06 Dec Spirit Airlines
02 Dec Icelandair
14 Dec Spirit Airlines
13 Dec Frontier Airlines
24 Dec Frontier Airlines
29 Dec Austrian Airlines
25 Dec Lufthansa

Also check the deals for return 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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