KLM Airlines operates efficiently from Lisbon Airport’s main international terminal, offering reliable service to Amsterdam and onward destinations. Travelers can expect a straightforward check-in process supported by attentive ground staff. The KLM Airlines LIS Terminal features a variety of dining options, retail stores, and duty-free shops for pre-flight convenience. Security and passport control procedures are generally efficient, minimizing waiting times. Eligible passengers may enjoy premium lounge access before departure. Boarding is orderly and well announced. Overall, KLM Airlines at LIS Terminal provides a comfortable and organized airport experience suitable for both business and leisure travelers.