去哪儿旅行：北京、上海、成都为错峰游酒店预定前三城市

Group 1 - The travel market is experiencing a peak period for off-peak travel following the National Day and Mid-Autumn Festival holidays, with significant price reductions for flights and hotels [1][2] - Average flight prices from October 13 to October 31 have decreased by 36% compared to the National Day holiday period, while average hotel prices have dropped by nearly 30% [1] - Top ten cities for hotel bookings during this period include Beijing, Shanghai, Chengdu, Nanjing, Hangzhou, Aba, Chongqing, Xi'an, Xiamen, and Guangzhou, while the top ten flight destinations are Chengdu, Shanghai, Beijing, Guangzhou, Shenzhen, Chongqing, Harbin, Kunming, Hangzhou, and Xi'an [1] Group 2 - International travel during the off-peak period has also seen price reductions, with average international flight and hotel prices down by approximately 20% compared to the National Day holiday [2] - Popular international destinations for off-peak travelers include Japan, South Korea, Thailand, Malaysia, the United States, Singapore, Australia, Indonesia, Vietnam, and Italy [2]