Currently, December/2019 and March/2020 are the cheapest times in the year to travel to Melbourne. The most expensive time of year is November/2019.
Qantas Airways, Virgin Australia, Jetstar, United and American Airlines fly non-stop from the United States of America to Melbourne.
The cheapest airline to fly to Melbourne from the United States of America is China Eastern.
The best airline to fly between the United States of America and Melbourne is Qatar Airways. For non-stop flights then Qantas Airways is best. The best low-cost airline is Jetstar.