Cheapest return flights from Chicago to Ljubljana in August from $653

AirHint found the following cheapest return flights from Chicago (ORD) to Ljubljana (LJU) in August 2025 (see full year).

Return flights

27 Aug - 02 Sep LOT
03 Aug - 19 Aug Finnair
13 Aug - 21 Aug SWISS
12 Aug - 20 Aug SWISS
18 Aug - 24 Aug Lufthansa
19 Aug - 27 Aug British Airways
21 Aug - 27 Aug British Airways
23 Aug - 31 Aug Air Serbia
31 Aug - 08 Sep British Airways
02 Aug - 09 Aug Icelandair
10 Aug - 16 Aug SWISS
22 Aug - 27 Aug British Airways
31 Aug - 06 Sep Turkish Airlines

Also check the deals for one-way flights from Chicago to Ljubljana in August.

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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