Zurich Airport (ZRH) is significantly larger than Geneva Airport (GVA) in terms of both physical size and passenger volume. As the primary international hub for Switzerland and the home base for SWISS International Air Lines, Zurich handled over 30 million passengers annually in the 2024-2025 period, nearly double the volume of Geneva. Physically, Zurich features three massive terminals and three runways, whereas Geneva is famously constrained by its geography, squeezed between the city and the French border with only a single main runway. Zurich offers a much wider range of long-haul intercontinental connections to North America, Asia, and Africa. In 2026, Zurich remains the "Big Brother" of Swiss aviation, boasting an extensive "Airside Center" shopping mall and superior rail connectivity to the rest of Europe. While Geneva is a vital hub for international diplomacy and low-cost carriers like EasyJet, Zurich is the definitive "gateway to Switzerland" for the majority of global travelers entering the country.