We’ve compiled some great links to the world’s top airlines and booking sites that can help you book your airfare. Some offer incredible budget-friendly options and are easy to use, or you can use the Skyscanner flight widget below to search for you. Skyscanner searches the widest number of airlines that beyond what we’ve listed below, so it’s a quick and efficient way to start your search for a flight.

You can start searching for flights as early as one year before you plan to go. Flights are usually available for booking about a year in advance. But the best time to book depends on the destination and travel dates. For domestic flights, some recommend booking 28 days in advance, while international flights should be booked at least 60 days before departure. For peak travel times, like summer and the holidays, it’s recommended to book even earlier.

We’ve added the Avia Sales Flight and Hotel Searcher below. Avia Sales doesn’t sell flight tickets: instead, it offers a free service that helps you track down the best deals available for your flight.