Cheapflights Tip: The best prices from Sydney Kingsford Smith to Adelaide are usually found in May or August, booked 81 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Find flight deals from Sydney to Adelaide
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Adelaide (ADL). 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 27 January 2026.
Popular in
December
Cheapest in
May
Average price
C$ 245
Good one-way deal
C$ 155 or less
Highest demand for flights based on searches. 6% potential increase in price (C$ 25 potential increase over avg. RT price).
Best time to book a flight from Sydney to Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from Sydney with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sydney to Adelaide
Prices
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Delays
How far ahead should I book a flight from Sydney to Adelaide?
Use this chart to determine the optimal time to book a round-trip flight from Sydney to Adelaide. Price data was last updated on 23 January 2026.
The best time to book flights from Sydney to Adelaide is 81 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 Sydney to Adelaide?
Currently, May is the cheapest month in which you can book a flight from Sydney to Adelaide (average of C$ 99). Flying from Sydney to Adelaide in April is currently the most expensive (average of C$ 149). 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 SYD to ADL?
Find hourly flight availability from Sydney to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 January 2026.
It’s optimal to fly from Sydney to Adelaide in the morning. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from Sydney to Adelaide
Explore weekly flight availability from Sydney to Adelaide. 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 27 January 2026.
The most flights from SYD to ADL are scheduled on a Monday (111 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (69 on average).
How often are flights from Sydney to Adelaide delayed?
About 19% of weekly flights between Sydney and Adelaide have experienced delays in the past year, with the average delay time being 90 minutes.
What is the most punctual flight time for Sydney to Adelaide flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Sydney to Adelaide flights?
Over the past year, Qantas Airways has had the lowest number of delays on this route, with just 15% of flights being delayed.
Reviews of airlines servicing Adelaide
Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated 27 January 2026.
Read reviews from past customers who have flown Jetstar
from Sydney to Adelaide. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
My tickets have been cancelled this morning at 3am for 6:30am’ scheduled. I had to contact myself to reschedule it. I finally confirmed flight at 9:40am, however it delayed to 11am… I missed the pickup at Mel airport and need to pay double amount …. Such a bad experience
My tickets have been cancelled this morning at 3am for 6:30am’ scheduled. I had to contact myself to reschedule it. I finally confirmed flight at 9:40am, however it delayed to 11am… I missed the pickup at Mel airport and need to pay double amount …. Such a bad experience
Related info for your journey
Find useful and relevant information for your journey from Sydney to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Sydney to Adelaide flight route?
The Sydney Kingsford Smith to Adelaide flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What is the cheapest airline to fly from Sydney to Adelaide round-trip?
Our cheapest airline available from Sydney to Adelaide is Jetstar. Our recent data shows that you can find tickets from as low as C$ 190 on this airline. Jetstar is currently priced 26% below the average price you’ll pay for this route.
Can I find deals for business class flights from Sydney to Adelaide?
Yes. Cheapflights offers flight deals from Sydney to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sydney to Adelaide?
Currently, May is the cheapest month in which you can book a flight from Sydney to Adelaide (average of C$ 99). Flying from Sydney to Adelaide in April is currently the most expensive (average of C$ 149). 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.
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Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 January 2026.
Discover the top airline that operate flights from Sydney to Adelaide. 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 629,999 searches. Data last updated 27 January 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Adelaide?
Cheapflights helps you search for flights from Sydney to Adelaide 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 Sydney to Adelaide?
Cheapflights helps you find that perfect flight to Adelaide from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Sydney to Adelaide with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Adelaide, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Sydney to Adelaide become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Adelaide from Sydney today and book when prices fit your budget.
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