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

Return flights

29 Jul - 29 Aug	Spirit Airlines
30 Jul - 27 Aug	Spirit Airlines
30 Jul - 30 Aug	Spirit Airlines
28 Jul - 28 Aug	ITA Airways
23 Jul - 20 Aug	ITA Airways
28 Jul - 21 Aug	ITA Airways
14 Jul - 18 Aug	ITA Airways
23 Jul - 23 Aug	LOT
16 Jul - 18 Aug	ITA Airways
21 Jul - 21 Aug	ITA Airways
14 Jul - 21 Jul	ITA Airways
13 Jul - 20 Jul	ITA Airways
14 Jul - 28 Jul	ITA Airways
14 Jul - 18 Jul	ITA Airways
11 Jul - 18 Jul	ITA Airways
12 Jul - 16 Jul	ITA Airways
12 Jul - 26 Jul	ITA Airways
12 Jul - 28 Jul	ITA Airways
12 Jul - 31 Jul	ITA Airways
12 Jul - 27 Jul	ITA Airways

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

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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Cheapest return flights from Chicago to Belgrade in July from $613

Return flights