Hainan airlines , shandong airlines raised business class airfares first class .
山东航空海南航空上调头等舱公务舱机票价格。
Airfares is cheaper in the low season .
飞机票价在旅游淡季较便宜。
Corporate travelers , who pay higher airfares when they sit in the front cabins of planes or book close to the date of travel , are flying coach more often - or not traveling at all during the recession .
