Cheap flights from Chattanooga (CHA) to Australia
CHA — SYD
Nov 29 — Dec 61
1 adult, Economy
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Everything you need to know about your flight from Chattanooga to Australia
What is the cheapest month to book a flight from Chattanooga to Australia?
Currently, July is the cheapest month in which you can book a flight from Chattanooga to Australia (average of $546). Flying from Chattanooga to Australia in December is currently the most expensive (average of $1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHA to AU?
Find hourly flight availability from Chattanooga to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.
It’s optimal to fly from Chattanooga to Australia in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.