Google Flights and Skyscanner are two popular flight search platforms, each offering unique features for finding airfare. Google Flights provides extensive filtering options and price alerts, often yielding cheaper and more convenient options, especially for international flights. Skyscanner offers a similar service but may present higher prices and fewer third-party booking options. Overall, Google Flights is favored for its user-friendly interface and better deals, making it ideal for travelers seeking efficiency and affordability.