程度也不同,一般在200到400美元,外加flychina收取的75美元手续费。请看下面的描述:Most of flychina discount tickets have severe penalty imposed by airlines for cancellation or change of outbound departure dates. The penalty amount vary with airlines and fare types. Usually, the penalty is in the $200 to $400 range. Sometimes airlines restrict sale fares to be non-refundable. FlyChina charges a flat fee of $75 on top of the airline fees for processing any refund/exchange.