An animated explainer video on different booking zones to consider before buying flight ticket. Each year discount airfare company CheapAir.com, analyzes millions of flights and ticket prices. In the CheapAir.com 2019 study, the company looked at fares for more than 917 million flights in 8,000 markets. The results show volatility, is the main reason behind the prices of flights. The company found that the ticket prices fluctuate, based on the amount of time between the purchase and the flight, seasonality and whether the flight is to Hawaii, which is different from booking a flight anywhere else. Day of the week, however is a myth and does not affect price.