Today, with the increase in electronic commerce, most of the consumers are interested in hotels, tours, transportation, etc. prefers travel agencies' websites to make purchases. In this context, AHP, Gray Relational Analysis and WASPAS of multi-criteria decision making methods were used in order to determine the best travel agency. The criteria used to evaluate five alternative agencies are payment options, number of themes, number of complaints, number of contracted banks, duration of activity, number of branches, current campaign opportunities and number of destinations. The weights of the criteria were determined by AHP method. The most important criteria is number of themes. Then, according to the weight of these criteria, travel agencies were evaluated by GRA and WASPAS methods and the most appropriate agency was selected.