AirHint found the following cheapest return flights from Chicago (ORD) to Belgrade (BEG) in August 2026 (see full year).

Return flights

15 Aug - 23 Aug	LOT
01 Aug - 26 Aug	LOT
01 Aug - 31 Aug	LOT
05 Aug - 05 Sep	Turkish Airlines
03 Aug - 02 Sep	LOT
01 Aug - 17 Aug	LOT
01 Aug - 31 Aug	Air Serbia	direct
05 Aug - 05 Sep	Air Serbia	direct
03 Aug - 02 Sep	Air Serbia	direct
01 Aug - 26 Aug	Air Serbia	direct
01 Aug - 17 Aug	Air Serbia	direct

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

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 August from 511€

Return flights