While CBD is legal throughout the European Union we still recommend caution when travelling with it. It is a cannabis product, after all, and there is a small chance airport staff may confuse it for illegal cannabis products and seize it.
It's your decision if you choose to travel with CBD products, but you should bear in mind that probably not everyone who works in an airport will be aware of the legality of CBD.
When travelling outside of Europe we strongly recommend not travelling with CBD.