My Spanish ID has expired and I am unable to go to Spain until September. In addition, my Spanish passport is at the Chinese Consulate in Brussels in order to get a visitor visa for travel at the end of this month.
And tomorrow, I will take a flight to Hamburg (Germany) from Brussels and the only proof of identification I have at the moment is my Belgian residence card, type E.
The airline is Brussels Airlines. Can I fly to Germany with my Belgian ID?