AirHint found the following cheapest return flights from Chicago (MDW) to Belgrade (BEG) in May 2026 (see full year).
Return flights
| 02 May - 10 May | KLM | ||
| 06 May - 06 Jun | Delta | ||
| 01 May - 10 May | KLM | ||
| 09 May - 07 Jun | Delta | ||
| 09 May - 17 May | Delta |
Also check the deals for one-way flights from Chicago to Belgrade in May.
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