What Terminal Does Aegean Airlines use at Athens is a common question for travelers flying with Aegean Airlines. At Athens International Airport, Aegean Airlines operates primarily from the Main Terminal, which handles both domestic and international flights. The terminal offers a range of passenger services including check-in counters, security checkpoints, lounges, dining options, and shopping facilities. Travelers are advised to arrive early and check their flight details in advance, as gate and terminal information may occasionally change. This helps ensure a smooth and hassle-free airport experience.