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

Return flights

03 Jun - 17 Jun	Spirit Airlines
07 Jun - 23 Jun	Icelandair
01 Jun - 29 Jun	Icelandair
04 Jun - 18 Jun	Icelandair
15 Jun - 04 Jul	Aer Lingus
15 Jun - 03 Jul	Aer Lingus
13 Jun - 01 Jul	Spirit Airlines
01 Jun - 15 Jun	Air Canada
13 Jun - 02 Jul	Spirit Airlines
06 Jun - 31 Jul	Spirit Airlines
03 Jun - 17 Jun	Air Serbia	direct
01 Jun - 15 Jun	Air Serbia	direct
01 Jun - 29 Jun	Air Serbia	direct
15 Jun - 04 Jul	Air Serbia	direct
13 Jun - 01 Jul	Air Serbia	direct

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

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 June from $832

Return flights