The airline carried 12 million passengers worldwide last year, up 12% compared with 2011.
Wizz Air operates flights to 83 destinations in 29 countries. The average occupancy rate exceeded 85% last year, the company said.
The airline aims to buy new planes this year and carry 13.5 million passengers worldwide.
Wizz Air operates a fleet of 39 Airbus A320 from 16 bases.