FRANKFURT—Eurowings is closing its long-haul base at Cologne Bonn Airport (CGN) and moving its widebody fleet to Dusseldorf Airport (DUS). Lufthansa’s LCC is moving into the space left open by airberlin, which once operated most of its long-haul flights from DUS. The airport, the third-largest in Germany behind Frankfurt and Munich, is in the most-densely populated part of the country. In addition to a large customer base for leisure travel, Dusseldorf also has substantially ...
