In Romania there are 19 airports  and the 4 biggest are:

Henri Coandă Airport (Otopeni) (Bucharest, Romania)

• Right now, 51 airlines operate out of Henri Coandă Airport.
• Henri Coandă Airport offers nonstop flights to 88 cities.
• Every week, at least 420 domestic flights and 1,568 international flights depart from Henri Coandă  Airport.

Timisoara Airport (Timisoara, Romania)

• Right now, 7 airlines operate out of Timisoara Airport.
• Timisoara Airport offers nonstop flights to 17 cities.
• Every week, at least 63 domestic flights and 140 international flights depart from Timisoara Airport.

Napoca Airport (Cluj-Napoca, Romania)

• Right now, 10 airlines operate out of Napoca Airport.
• Napoca Airport offers nonstop flights to 25 cities.
• Every week, at least 98 domestic flights and 161 international flights depart from Napoca Airport.

Sibiu Airport (Sibiu, Romania)

• Right now, 5 airlines operate out of Sibiu Airport.
• Sibiu Airport offers nonstop flights to 6 cities.
• Every week, at least 14 domestic flights and 63 international flights depart from Sibiu Airport.