[...] Skyscanner compares prices of the flights to your destinations. What’s hot: I was surprised by the number of destinations and attractions to which the app introduced me that I hadn’t heard of or considered important. The app keeps track of them for you and groups them by destination. What’s not: I struggled with the app’s “Plan” feature. Use the funnel tool in the upper right, then type in, for example, “coffeehouse” in “Austin.” Click on those to get a picture you can “heart,” and the suggestion will be automatically added to your list, organized by city in the funnel feature.