The invention provides a system and method for integrating rental vehicle return with airline boarding pass generation. The system includes a rental identification tag located on a rental vehicle and a tag reader located at a rental vehicle return facility for reading and identifying the rental vehicle identification tag when the rental vehicle enters a range of the tag reader. The system additionally includes a database containing information linking a traveler to the rental identification tag and to airline reservation information of the traveler and a computing system communicating with the database and the tag reader to locate the airline reservation information of the traveler based on the identification provided by the tag reader. The system also includes a boarding pass generator for generating a boarding pass based on the airline reservation information upon receiving an instruction from the computing system.