International flights arrive to the Tullamarine airport which is located approximately 22 kilometers north-west of the city centre of Melbourne.
Taxis are available from the ground floor outside of the International Terminal. The trip to the city takes approximately 30 minutes while the fare is about A$ 40-50.
Skybus operates a 24/7 shuttle service to the city and the main hotels from the airport. The buses leave every 10-15 minutes during day-time and hourly during the night. A one way adult ticket cost A$ 15 but there is a variety of child and family tickets as well. You can book and print your ticket online on the website of Skybus at http://www.sykbus.com.au/.
You will find all major car rental companies at the Melbourne Airport on the ground floor of the Short Term Car Park. The rental of a standard size car will cost you approximately A$ 300-350 for a week. However be prepared that parking around the circuit is highly restricted for non-residents.