Cheapest return flights from Chicago to Zagreb in September from $621

Best time to book flights for Chicago (ORD) to Zagreb (ZAG) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Zagreb (ZAG) in September 2025 (see full year).

Return flights

10 Sep - 24 Sep Turkish Airlines
24 Sep - 04 Oct Turkish Airlines
13 Sep - 27 Sep British Airways
16 Sep - 27 Sep Turkish Airlines
30 Sep - 07 Oct United
15 Sep - 22 Sep United
09 Sep - 10 Sep Turkish Airlines
20 Sep - 27 Sep United
05 Sep - 12 Sep United
25 Sep - 02 Oct United
10 Sep - 17 Sep United

Also check the deals for one-way flights from Chicago to Zagreb in September.

Skyscanner

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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