Cheapest return ORD–BEG flights, May

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 SWISS
12 May - 23 May Austrian Airlines
13 May - 23 May SWISS
13 May - 24 May SWISS
14 May - 05 Jun SWISS
16 May - 27 May Air France
27 May - 17 Jun Icelandair
15 May - 22 May Delta
16 May - 23 May Air France
19 May - 02 Jun SWISS
27 May - 13 Jun Icelandair
31 May - 30 Jun Alaska Airlines
20 May - 27 May Finnair
15 May - 25 May SWISS
23 May - 15 Jun Lufthansa
20 May - 29 May Finnair
27 May - 13 Jun Air Serbia direct

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

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