Cheapest return flights from Chicago to Ljubljana in December from 586€

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

Return flights

02 Dec - 09 Dec Air Canada
03 Dec - 10 Dec Air Canada
01 Dec - 08 Dec Air Canada
08 Dec - 15 Dec Air Canada
06 Dec - 13 Dec Air Serbia
04 Dec - 11 Dec Air Canada
07 Dec - 14 Dec Air Canada
05 Dec - 12 Dec Air Canada

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

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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