KAYAK searches hundreds of travel sites to show you your options and let you pick what works best for your trip. Track prices, set a budget, build your itinerary and more.  What’s in our app. Double check prices, no matter where you found it: KAYAK PriceCheck lets you upload a screenshot of a flight deal from any site, and we’ll search hundreds of sites to see if we can find a better deal. Get the flight you want: Compare flight options from hundreds of sites then zero in on the best one for you by using our filters.  Hotel rates only on the app: Find mobile-only prices from select hotels. Car sharing: Search car sharing alongside traditional agencies for more options (and maybe better prices). Know when prices change: Track search results for your trip and get a notification when prices change. Search on your budget: Only have $300 to spend? KAYAK Explore will show you your flight options, on any budget. Only on the KAYAK App. Flight tracker: Get alerts when something about your flight changes or track flights so you can see if you’ll make your connection. Trips offline: All your ticket confirmations and reservations loaded into Trips are accessible regardless of whether or not you have Wifi. Measure your bag: Direct your camera at your bag or carry on and we’ll let you know if it’s the right size for your flight without incurring a fee. We love feedback. Got a question and in need of support? Send us a message at https://www.kayak.com/help and we’ll help you out. More on what KAYAK offers. Find flights, hotels, vacation rentals, rental cars and more - then filter by what matters to you most. Like a pet-friendly boutique hotel with a pool. Or a 4-door sedan with airport pick-up to get you on your way. We bring together great deals from your favorite travel sites in one place.  Search hundreds of flight sites at once. With filtering and flexibility options, you can quickly search and book what works best for your trip.  More options, more saving. Find mobile-only rates and exclusive deals on the app. Set Price Alerts to know when prices drop on the flights, cars and hotels you’re interested in. Create itineraries as you plan. Our Trips tool puts all your plans in one place. Get alerted to flight and gate changes, access boarding passes both on- and offline, and share your itinerary with friends – all in one spot. You can sync your inbox or manually add any part of your trip - from tour and restaurant confirmations to notes on things to see. Car rental deals. Search from over 70,000 locations to find the perfect rental car. Book risk-free by filtering for free cancellation policies. Get a hotel… or a home. See your accommodation options from major hotel chains and resorts to local boutiques to apartments, cabins, beach homes and more. Filter for free cancellation if you’re worried plans will change. Plan your next trip with KAYAK. Download now to start planning a great trip.