If you’re booking airfare from Detroit, here’s some things to know: Sao Paulo, Brazil fares are on sale to mark Delta’s new Detroit-Sao Paulo route. Book by Oct. 18 to get fares as low as $399 each way for flights Oct. 21-Feb. 25; travel must be completed by Feb. 28. Blackout dates are Dec. 24-Jan.... 

Air Berlin has applied to operate a 76-seater plane on a weekly flight to Dusseldorf, on Saturdays.The Commerce and Employment Department, which is responsible Air Transport Licensing, said the final details were being worked out.No licence is required for the route as it operates directly to Europe...