The most convenient and practical airport for visiting the Auschwitz-Birkenau Memorial and Museum is John Paul II International Airport Kraków-Balice (KRK). Located approximately 45 kilometers (about 28 miles) from the town of Oświęcim where the site is situated, it offers the shortest travel time, typically under an hour by car or taxi. Alternatively, Katowice Airport (KTW) is another strong option, sitting about 50 kilometers away. While Katowice is a major hub for budget airlines like Wizz Air, Kraków is generally preferred by travelers due to its superior public transport links, including a direct train to Kraków's main station and frequent bus services to Oświęcim. A third, though less common, option is Ostrava Airport (OSR) in the Czech Republic, located about 90 kilometers away, which can be useful if you are combining the visit with a broader Central European itinerary. Most visitors choose Kraków not only for its proximity but because the city itself serves as the primary base for organized tours, which often include door-to-door transportation to the memorial.