AirHint found the following cheapest return flights from Chicago (ORD) to Zagreb (ZAG) in March 2026 (see full year).

Return flights

04 Mar - 12 Mar	Lufthansa
04 Mar - 18 Mar	Lufthansa
11 Mar - 24 Mar	Lufthansa
04 Mar - 24 Mar	Lufthansa
04 Mar - 25 Mar	Lufthansa
03 Mar - 18 Mar	Lufthansa
03 Mar - 25 Mar	Lufthansa
03 Mar - 24 Mar	Lufthansa
02 Mar - 24 Mar	Lufthansa
09 Mar - 23 Mar	Lufthansa
31 Mar - 15 Apr	British Airways
31 Mar - 22 Apr	Lufthansa
30 Mar - 07 Apr	Lufthansa
21 Mar - 17 Apr	LOT
25 Mar - 12 Apr	Lufthansa
18 Mar - 05 Apr	Lufthansa
10 Mar - 05 Apr	Austrian Airlines
21 Mar - 12 Apr	LOT
31 Mar - 03 Apr	Lufthansa
27 Mar - 04 Apr	Air Canada

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

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 Zagreb in March from $460

Return flights