Cheapest return flights from Chicago to Belgrade in May from 670€

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

Return flights

13 May - 20 May Turkish Airlines
14 May - 21 May Turkish Airlines
11 May - 05 Jun United
07 May - 30 May Lufthansa
13 May - 06 Jun Lufthansa
14 May - 06 Jun Turkish Airlines
13 May - 20 May Air Serbia direct
13 May - 06 Jun Air Serbia direct

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

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