Аt the moment air communications are open between Russia and following сountries:   

1. Abkhazia,
2. Albania, 
3. Armenia,
4. Austria,
5. Azerbaijan,
6. Belarus,
7. Belgium,
8. Bulgaria,
9. China,
10. Croatia, 
11. Cuba,
12. Cyprus,
13. Egypt, 
14. Ethiopia,
15. Finland,  
16. Germany,
17. Greece,
18. Hungary, 
19. Iceland,
20. India, 
21. Ireland,
22. Italy
23. Japan, 
24. Jordan,
25. Kazakhstan, 
26. Kyrgyzstan,
27. Lebanon,
28. Lichtenstein,
29. Luxembourg, 
30. Maldives, 
31. Malta,
32. Mauritius,
33. Mexico,
34. Morocco, 
35. Northern Macedonia,
36. Portugal, 
37. Qatar,  
38. Saudi Arabia,
39. Serbia, 
40. Seychelles,
41. Singapore,
42. Sri Lanka,
43. Switzerland, 
44. Syria,
45. Tajikistan,
46.  Turkey,
47. The Republic of Korea, 
48. The Republic of South Ossetia, 
49. United Arab Emirates, 
50. United Kingdom of Great Britain and the Northern Ireland,
51. United States of America,
52. Uzbekistan,
53. Venezuela,
54. Vietnam. 

Pay your attention that, that only citizens of countries listed above and persons with a residence permit or another document confirming the right of residence in the country of departure are accepted for returning at Russia. Ticket with transfer in above mention countries, will not get a right to cross the border of Russia if you have a citizenship of other country.