If you're flying out of a major airport, you can usually park in the airport parking lot. There are typically two types of parking at airports: long-term and short-term. 

Long-term parking is for people who are leaving town for an extended period of time, while short-term parking is for people who are just picking someone up or dropping someone off. If you are looking for airport parking in Sydney, you can click on Park On King.

Most airport parking lots have a variety of different price points, depending on how close you want to be to the terminal. The closer you are, the more expensive it will be. However, if you're willing to walk a little bit further, you can usually find cheaper parking options.

When it comes to long-term parking, it's important to book your spot in advance. This way, you can guarantee that you'll have a spot when you arrive at the airport. Many airport parking lots have online reservation systems that make it easy to book your spot ahead of time.

If you're just looking for short-term parking, there's no need to book in advance. Just show up at the airport and look for an available spot. Keep in mind that the closer you are to the terminal, the more expensive it will be. If you're willing to walk a little bit further, you can usually find cheaper options.