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

Return flights

02 May - 13 May	Turkish Airlines
13 May - 24 Jun	Turkish Airlines
13 May - 27 Jun	Turkish Airlines
14 May - 28 Jun	Turkish Airlines
16 May - 27 Jun	Turkish Airlines
16 May - 29 Jun	Turkish Airlines
26 May - 09 Jun	Scandinavian Airlines
30 May - 13 Jun	Icelandair
02 May - 13 May	Air Serbia	direct
29 May - 12 Jun	Icelandair
20 May - 27 Jun	Scandinavian Airlines
13 May - 24 Jun	Air Serbia	direct

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

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 May from 502€

Return flights