The new features might provide competition to companies such as Skyscanner, Kayak, Google, and Expedia. All these companies partner with Routehappy to provide the flight review facility. TripAdvisor has been aggressively growing its Instant Booking feature which lets users book hotels directly through the TripAdvisor platform. Though such an option is not yet available for flights, some analysts expect the company to expand into flight bookings in the future, as the company is evolving from a media platform and metasearch engine into a direct competitor for the full-service online travel agencies such as Priceline and Expedia. Get the full story at Nasdaq Read also "TripAdvisor revamps flight search, adds user reviews"