The thesis work intends to provide the cost implementation method for the travel products from the travel agency to the mobile devices. Mobile devices are now capable of accessing the internet services as their considerable advancements are achieved in the wireless devices. The mobile devices are capable of searching through the web content for extracting the required data. But as the search engines face the problems due to their searching strategies such as keyword based search, semantic web has come into picture. This thesis work explains how semantic web technologies are integrated in the mobile devices for getting the desired products for optimal price. Semantic web is the suitable for the travel agent system as there is exchange of information. The data from the mobile devices is carried through the agents between the travel agency and the devices. This work intends to provide how the semantic web and the multi-agent systems are helpful for searching the desired products of the user (using mobile devices). The agents in the multi-agent system communicate with each other in the travel agent system through the ontologies which are written in the OWL ontology language