Direct flights from Ekaterinburg to Havana are not carried out. You can fly through Moscow, where you can get from Yekaterinburg by plane for 2 hours and 20 minutes by flights from Aeroflot, Ural Airlines, Transaero and other airlines. From August to March, flights from Moscow to Havana are operated by Aeroflot (13h10min). Another option is an airplane to Varadero (the journey time is 12 hours 10 minutes), from where you can get to Havana by bus (the journey time is 3 hours).