"The regime of temporary flight restrictions at 11 airports in the southern and central parts of Russia has been extended until November 21," the agency said in a statement.
The restrictions apply to Anapa, Belgorod, Bryansk, Voronezh, Gelendzhik, Krasnodar, Kursk, Lipetsk, Rostov-on-Don, Simferopol and Elista airports.
Restrictions on flights to airports in the southern and central parts of Russia have been in effect since February 24.