Expedia Group, Inc. is the world’s second-largest online travel agency by bookings. The company provides travel services across lodging, which represents 80% of total 2025 sales, air tickets (3%), rental cars, cruises, in-destination offerings and other services (9%), as well as advertising revenue (8%). Expedia operates several branded travel booking platforms, with its three main online travel agency brands being Expedia, Hotels.com, and the alternative accommodations brand Vrbo. It also owns the metasearch brand Trivago. Transaction fees from online bookings generate the majority of the company’s revenue and profits.