Karlsruhe/Baden-Baden Airport (IATA: FKB, ICAO: EDSB) (German: Flughafen Karlsruhe/Baden-Baden) is the international airport of Karlsruhe, the second-largest city in the German state of Baden-Württemberg, and also serves the spa town of Baden-Baden. It is the state's second-largest airport after Stuttgart Airport and the 15th-largest in Germany, with 1,304,701 passengers as of 2022. It mostly serves low-cost and leisure flights.