Cheap flights from Adelaide to Sydney
Cheapflights Tip: The best prices from Adelaide to Sydney Kingsford Smith are usually found in August or May, booked 64 days in advance, depart on a Friday or Wednesday and return on a Thursday
Cheap flight deals from Adelaide to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2025.
Popular in | December |
|---|---|
Cheapest in | August |
Average price | C$ 246 |
Good round-trip deal | C$ 208 or less |
Good one-way deal | C$ 734 or less |
Best time to book a flight from Adelaide to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Adelaide with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Adelaide to Sydney
How far ahead should I book a flight from Adelaide to Sydney?
Use this chart to determine the optimal time to book a round-trip flight from Adelaide to Sydney. Price data was last updated on 25 July 2025.
The best time to book flights from Adelaide to Sydney is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Adelaide to Sydney?
Currently, February is the cheapest month in which you can book a flight from Adelaide to Sydney (average of C$ 1,326). Flying from Adelaide to Sydney in December is currently the most expensive (average of C$ 1,881). 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 ADL to SYD?
Find hourly flight availability from Adelaide to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.
It’s typically best to fly out from Adelaide to Sydney at noon. Doing so could potentially save you 81% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Adelaide to Sydney
Explore weekly flight availability from Adelaide to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.
The most flights from ADL to SYD are scheduled on a Monday (103 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (75 on average).
Related info for your journey
Find useful and relevant information for your journey from Adelaide to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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How does Cheapflights help users find flights from Adelaide to Sydney?
Cheapflights helps you search for flights from Adelaide to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Adelaide to Sydney?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Adelaide.
Can Cheapflights find flights from Adelaide to Sydney with no change fees?
Yes, we can. To see specific flights from Adelaide to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Adelaide to Sydney become cheaper?
Not ready to book yet? You can track prices for flights from Adelaide to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.