There are different ways to reach Sydney Airport from Central Railway Station, Sydney as follows:
Sydney Airport Train: Sydney Airport is within a 10-minute rail ride from the city. With trains running every 10 minutes, Airport Link provides a quick and simple method to go to the city and suburbs. The station is accessible from the Arrivals level and is located at the northern end of the terminal.
Uber Sydney Airport Transfer – 30 minutes journey.
Drive your personal Vehicle – Around 25 minutes’ drive.