For most international tourists in 2026, the best airport to fly into is Edinburgh Airport (EDI). It is Scotland's busiest and most connected hub, offering the widest range of direct flights from North America, Europe, and the Middle East. Its location is ideal for those wanting to start their trip in the historic capital or head north into the Highlands. Alternatively, Glasgow Airport (GLA) is a fantastic choice if your itinerary focuses on the west coast, the Isle of Skye, or Loch Lomond; it is known for being very user-friendly and having excellent public transport links to the city center. For those specifically targeting the northern wilderness or the North Coast 500 route, Inverness Airport (INV) serves as a perfect regional gateway. While Edinburgh is the "global" choice for its sheer volume of routes, Glasgow often offers competitive fares on transatlantic flights, making it a strong second option for budget-conscious travelers.