In the area around this area there are flights to various German airfields. Well-known names are Bremen (BRE), Munster (FMO) and Erfurt (ERF). A big airport in this region is Frankfurt Airport. You will be quickly in the city center thanks to local public transport (bus, train) or an airport transfer (shuttle service). Some factors that can influence your choice of airport: check the travel time to the hotel, the percentage of flight cancellations, the waiting times at customs, and see if direct routes are offered if you need to fly-non-stop to Braunschweig.