KAYAK is world-renowned as a leading travel metasearch engine, not a travel agency. It is known for its ability to "search hundreds of travel sites at once," allowing users to compare prices for flights, hotels, car rentals, and vacation packages side-by-side. For 2026, KAYAK has gained fame for its AI-powered tools, such as "Price Forecast," which predicts whether flight prices will rise or drop in the next 30 days, and the "Explore" tool, which shows you every destination you can reach on a specific budget. It is also highly regarded for its "Trips" feature, which acts as a personal travel assistant by organizing itineraries and providing real-time flight status alerts. Because it is a search engine, you don't book with KAYAK; instead, it redirects you to book directly with the airline or hotel provider. This transparency and innovation have earned it numerous "World's Best Flight Comparison" awards and made it a go-to platform for travelers seeking to find the best value across the entire global travel market.