Booking flights can be a gamble—prices fluctuate daily, sometimes even hourly, and knowing when to buy can make a significant difference in cost. Fortunately, flight price predictors and tracking tools can make this task much easier. These tools use algorithms, historical data, and trend analysis to provide travelers with insights on when to buy, helping save both time and money. Here’s an overview of some of the best flight price predictors and tracker tools to consider for your next booking.