AirHint found the following cheapest one-way flights from Chicago (ORD) to Cluj-napoca (CLJ) in December 2025 (see full year).
One-Way flights
| 23 Dec | Frontier Airlines | ||
| 11 Dec | Icelandair | ||
| 15 Dec | Frontier Airlines | ||
| 22 Dec | Spirit Airlines | ||
| 18 Dec | Frontier Airlines | ||
| 21 Dec | Frontier Airlines | ||
| 19 Dec | Frontier Airlines | ||
| 20 Dec | Brussels Airlines |
Also check the deals for return 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.
Find us on social media