Cheapest return flights from Chicago to Cluj-napoca in December from $962

AirHint found the following cheapest return flights from Chicago (ORD) to Cluj-napoca (CLJ) in December 2025 (see full year).

Return flights

16 Dec - 11 Jan SWISS
15 Dec - 10 Jan Frontier Airlines
15 Dec - 08 Jan Frontier Airlines
22 Dec - 13 Jan Spirit Airlines
20 Dec - 10 Jan Spirit Airlines
20 Dec - 27 Dec Spirit Airlines
20 Dec - 28 Dec Spirit Airlines

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

Powered by

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.

Book a cheap hotel in Cluj-napoca

Cheap car rent in Cluj-napoca

Feel free to contact us with any feedback or request another flight research.