Cheap flights from Adelaide to Sydney from $109
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
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 Saturday and return on a Saturday
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 8 July 2025.
Round-trip from | $218 |
---|---|
One-way from | $109 |
Popular in | December |
Cheapest in | August |
Average price | $261 |
Good round-trip deal | $256 or less |
Good one-way deal | $155 or less |
Find flight deals from Adelaide to Sydney
Cheapest flights from Adelaide to SydneyExplore the most affordable flight options available from Adelaide to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.
Explore the most affordable flight options available from Adelaide to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Adelaide to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 8 July 2025.
Use the filters below to find and compare flights from Adelaide to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
AdelaideSydney
ADL - SYD
ADLSYD
Adelaide
Sat 26/7
06:25-08:50
Nonstop1h 55m
Sydney Kingsford Smith
Sun 27/7
06:20-08:00
Nonstop2h 10m
AdelaideSydney
ADL - SYD
ADLSYD
Adelaide
Mon 21/7
20:00-22:20
Nonstop1h 50m
Sydney Kingsford Smith
Sun 27/7
06:20-08:00
Nonstop2h 10m
AdelaideSydney
ADL - SYD
ADLSYD
Adelaide
Thu 24/7
06:25-08:50
Nonstop1h 55m
AdelaideSydney
ADL - SYD
ADLSYD
Adelaide
Tue 15/7
20:00-22:20
Nonstop1h 50m
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 return flight from Adelaide to Sydney. Price data was last updated on 27 June 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, May is the cheapest month in which you can book a flight from Adelaide to Sydney (average of $129). Flying from Adelaide to Sydney in October is currently the most expensive (average of $171). 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 8 July 2025.
A simple way to save on the total cost of your ticket is to fly from Adelaide to Sydney in the evening. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight at midday.
What is the cheapest day to fly from Adelaide to Sydney?
Use this chart to determine the cheapest time to fly return from Adelaide to Sydney. Price data was last updated on 29 June 2025.
Travellers seeking maximum savings on their Adelaide to Sydney flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
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 8 July 2025.
The most flights from ADL to SYD are scheduled on a Tuesday (99 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (70 on average).
How much does it cost for a return flight from Adelaide to Sydney?
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 8 July 2025.
Read through reviews of airlines operating flights from Adelaide to Sydney, such as Virgin Australia and Jetstar. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Andrew,June 2025
MEL - CNS
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Andrew,June 2025
MEL - CNS
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Andrew,June 2025
MEL - CNS
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.
Travelling to a place near Adelaide?
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Fly from Adelaide to Sydney on these airlines
Choose from the following airlines for your flight from Adelaide to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 8 July 2025.
Top 4 airlines flying from Adelaide to Sydney
Discover the top 4 airlines that operate flights from Adelaide to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 8 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
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?
Yes, Cheapflights offers price alerts on Adelaide to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.