Cheapest return flights from Chicago to Belgrade in October from $577

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

Return flights

11 Oct - 22 Oct Frontier Airlines
07 Oct - 21 Oct Spirit Airlines
18 Oct - 27 Oct Spirit Airlines
20 Oct - 03 Nov Frontier Airlines
01 Oct - 22 Oct Spirit Airlines
08 Oct - 22 Oct Spirit Airlines
08 Oct - 10 Nov Spirit Airlines
12 Oct - 19 Oct Icelandair
22 Oct - 31 Oct Spirit Airlines
17 Oct - 31 Oct LOT
03 Oct - 13 Oct Frontier Airlines
18 Oct - 08 Nov LOT
01 Oct - 20 Oct Spirit Airlines
16 Oct - 01 Nov Frontier Airlines

Also check the deals for one-way flights from Chicago to Belgrade in October.

Skyscanner

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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