Cheapest return flights from Chicago to Belgrade in October from 470€

AirHint found the following cheapest return flights from Chicago (ORD) to Belgrade (BEG) in October 2025 (see full year).

Return flights

08 Oct - 22 Oct Frontier Airlines
01 Oct - 24 Nov Spirit Airlines
08 Oct - 29 Oct Frontier Airlines
15 Oct - 29 Oct Frontier Airlines
14 Oct - 15 Nov Spirit Airlines
11 Oct - 05 Nov LOT
04 Oct - 25 Oct Spirit Airlines
04 Oct - 13 Oct Spirit Airlines
04 Oct - 18 Oct Icelandair
11 Oct - 19 Oct Frontier Airlines
05 Oct - 19 Oct TAP
04 Oct - 12 Oct Turkish Airlines
11 Oct - 28 Nov LOT
13 Oct - 30 Nov Turkish Airlines
08 Oct - 22 Oct Air Serbia direct
11 Oct - 28 Nov Air Serbia direct

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

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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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