Kuopio Airport — Kuopio / Siilinjärvi, Finland

Kuopio, a city built among the lakes of eastern Finland's Savonia region, relies on KUO to reach Helsinki and other domestic points across the country. The surrounding landscape, dominated by Lake Kallavesi and countless smaller waterways, defines much of local life, and the wooden observation tower atop nearby Puijo hill offers visitors sweeping views over a lake district that airline passengers often glimpse first from the air on approach. Kuopio has built a regional reputation around food culture too, particularly kalakukko, a traditional fish-and-pork pie baked inside rye bread, a specialty closely associated with the area. As a mid-sized regional airport, KUO handles a modest schedule of flights rather than the dense traffic of Finland's larger hubs, serving business travelers, university-related trips tied to the city's medical and technology research institutions, and residents connecting onward through Helsinki.