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

Return flights

09 May - 23 May	KLM
06 May - 16 Jun	Delta
02 May - 10 May	KLM
05 May - 16 Jun	Delta
08 May - 18 Jun	Delta
01 May - 10 May	KLM
08 May - 20 Jun	Delta
09 May - 20 Jun	Delta
09 May - 17 May	Delta
07 May - 17 Jun	Delta
07 May - 18 Jun	Delta
07 May - 19 Jun	Delta
08 May - 19 Jun	Delta
07 May - 16 Jun	Delta

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 984€

Return flights