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

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

Return flights

05 May - 19 May Turkish Airlines
01 May - 09 May Icelandair
02 May - 16 May Turkish Airlines
16 May - 27 May Spirit Airlines
18 May - 31 May Delta
02 May - 16 May Air Serbia direct
16 May - 27 May Air Serbia direct

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

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