You can find plenty of cheap international flights from Washington to Amsterdam operated by major carriers. The Washington D.C area is served by three airports: Ronald Reagan Washington National Airport (IATA code DCA), Washington Dulles International Airport (IATA code IAD) and Baltimore/Washington International Thurgood Marshall Airport (IATA code BWI). When you are flying into Amsterdam you will be landing at Amsterdam Airport Schiphol (IATA code: AMS) which is the only airport serving the Dutch City.