Skyscanner is the best free app for finding low-cost airfare with flexible dates. It is a popular flight search engine that compares prices from hundreds of airlines and travel websites. Skyscanner is known for its user-friendly interface and its powerful search features. Here are some of the key features of Skyscanner: Flexible date search: Skyscanner allows you to search for flights by month or even by day. This is a great feature if you have flexible travel dates. Price alerts: You can set up price alerts on Skyscanner to be notified when the price of a flight changes. This is a great way to stay on top of the best deals. Everywhere search: Skyscanner has an "Everywhere" search feature that allows you to see the cheapest flights to any destination in the world. This is a great way to find inspiration for your next trip. Here are some tips for using Skyscanner to find low cost airfare with flexible dates: Be flexible with your travel dates: If you can, avoid flying