Ticket buying method and device, electronic equipment and storage medium

The invention relates to the related technical field of travel fee control, in particular to a ticket buying method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring travel task information of the travel; based on the travel task information, estimating a ticket returning and changing probability of the travel; on the basis of the ticket returning and changing probability, estimating the expected price of the air ticket under different ticket buying strategies; and selecting the ticket buying strategy with the lowest air ticket expected price to buy the ticket. According to the arrangement, the ticket buying strategy with the lowest air ticket expected price can be selected to buy the ticket, and the cost for buying the ticket in a travel task can be reduced as much as possible. 本申请涉及差旅费控相关技术领域，具体涉及一种购票方法、装置、电子设备及存储介质。其中，方法包括：获取此次旅途的旅途任务信息；基于所述旅途任务信息，预估此次旅途的退改签概率；基于所述退改签概率，估计不同购票策略下的机票期望价格；选取机票期望价格最低的购票策略，进行购票。如此设置，可以选取机票期望价格最低的购票策略进行购票，可以尽可能的降低旅途任务中用于购