September at CNY 180 is the fare worth waiting for, before Golden Week sends prices up 50-80% in early October. Alipay and WeChat Pay handle most Chinese-origin bookings, though Western BNPL runs thin, so check Atome or GrabPay Later if you're coming via Seoul or Hong Kong. Terminal 2 at Binhai is the calmer alternative to Beijing's Capital or Daxing, thirteen kilometres from a city still short on international tourism awareness. Visa rules depend entirely on your passport, so check the embassy site before you book anything.