Quick Answer: EAA AirVenture runs July 20 to 26, 2026, at Wittman Regional Airport (KOSH) in Oshkosh, Wisconsin. First-time arrivals should study the official EAA NOTAM cover to cover, plan to fly the Fisk arrival, and reserve camping early. It is the busiest airport in the world during show week, and preparation is everything. Every summer, aviators point their airplanes toward one runway in Wisconsin...