Method and system for predicting a period with lowest airline ticket fares. The method comprises: receiving electronic payment transaction data relating to airline tickets; receiving flight data relating to a plurality of previous flights; generating, using a predictor module, historical reference data by associating the electronic payment transaction data with the flight data to determine, at least, a price of each of the plurality of previous flights; generating, using the predictor module, prediction data by fitting the historical reference data to a time-series model; receiving, from a user input module, user input data indicative of (i) departure location, (ii) arrival location and (iii) departure date of a future flight; predicting, using the predictor module, the period with lowest airline ticket fares based on the prediction data and the user input data; and transmitting the predicted period to a user output module to provide the user with an indication of a recommended period in the future to purchase a ticket for the future flight.
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