The article describes the ways of creation of integrated educational space on the basis of blended learning as a method of rational formation of flexible system of educational process in high school. According to scientific resources the sources of integrated approach to education are explained. The main attention is drawn to positive aspects of integration in the process of education: the realization of the system and logics of the subject and those interconnections which exist among separate topics and issues; broad interpretation of phenomena and problems; elimination of material duplication; the creation of the whole system of opinions. The term “information (educational) environment based on the principles of blended learning” is proclaimed: it is a complex of components which provides systematic integration of information technologies means (means of communication – e-mail, notice boards, webinars, forums; the creation of on-line content on the subject; telecommunication means of testing and estimation on-line; multimedia environments; case-technologies), pedagogical technologies with information management system of educational process with the aim of increasing its efficiency. Key principles of the organization of modern educational process at a pedagogical university in integrated information environment based on the principles of blended learning are described. Integrated education environment is a system in which traditional, case- and network education are simultaneously presented and students’ motivation, optimality of combination of forms and methods of education, provision of high-quality educational process are taken into consideration too. On the basis of scientific resources analysis the contents of the terms “educational information”, “information provision”, and “information resources” are explained. The special meaning of information technologies in the creation of integrated education environment as a complex of methods, means, approaches which provide efficient activity with the help of program, apparatus and program-apparatus calculating complexes is analyzed.