返程 literally means 'return journey' — 返 (fǎn) means 'to return' or 'to go back', and 程 (chéng) means 'journey', 'route', or 'trip'. Together, they form a compound noun referring specifically to the trip back to one’s original location after traveling elsewhere — for example, returning home after a vacation or heading back to work after a business trip. It emphasizes the direction and purpose of travel: moving from a destination back toward a point of origin.

This term is commonly used in transportation contexts — such as train schedules, flight bookings, and traffic reports — and often appears in phrases like 返程高峰 (fǎn chéng gāo fēng, 'peak return-trip period') during holidays. It is neutral in register and appropriate in both spoken and written Chinese, especially when discussing logistics, planning, or travel experiences. Unlike generic terms like 回家 (huí jiā, 'go home'), 返程 focuses on the journey itself rather than the destination or emotional connotation.