Hello, the information I have can assist you if you're wondering What terminal is TAP Air Portugal at LIS . Lisbon Airport's main terminal is where TAP Air Portugal operates its flights. The signs are clear, making it easy to locate the terminal. I had no trouble finding the TAP Air Portugal check-in counters. The staff members helped passengers in a calm and kind manner. The rate of security checks was constant. The process of immigration was efficient and well-organized. There were many spotless places to sit and unwind close to the gates. There were phone and gadget charging stations.