This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SYD
23 Oct — 30 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Adelaide to Sydney Kingsford Smith are usually found in January or May, booked 70 days in advance, depart on a Saturday or Wednesday and return on a Tuesday
Cheap flight deals from Adelaide to Sydney
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Adelaide to Sydney
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 23 September 2026.
Thu 5/1107:45 -
Nonstop2h 00m
Thu 12/1107:00 -
Nonstop2h 05m
Deal found 21/9$238
Sun 18/1006:25 -
Nonstop2h 00m
Wed 28/1010:55 -
Nonstop2h 10m
Deal found 21/9$242
Mon 19/1020:00 -
Nonstop1h 50m
Mon 26/1007:15 -
Nonstop2h 10m
Deal found 21/9$243
Wed 21/1017:15 -
Nonstop1h 55m
Wed 28/1007:00 -
Nonstop2h 05m
Deal found 22/9$245
Thu 19/1106:00 -
Nonstop1h 55m
Mon 23/1119:30 -
Nonstop2h 10m
Deal found 20/9$246
Sun 18/1006:25 -
Nonstop2h 00m
Thu 22/1006:25 -
Nonstop2h 15m
Deal found 22/9$247
Fri 13/1119:55 -
Nonstop1h 55m
Sun 15/1112:15 -
Nonstop2h 10m
Deal found 21/9$249
Sat 17/1017:15 -
Nonstop1h 55m
Sat 24/1006:25 -
Nonstop2h 15m
Deal found 23/9$250
Fri 6/1119:40 -
Nonstop1h 55m
Mon 9/1107:00 -
Nonstop2h 05m
Deal found 22/9$252
Fri 6/1119:55 -
Nonstop1h 55m
Mon 9/1119:30 -
Nonstop2h 10m
Deal found 19/9$254
Fri 16/1020:00 -
Nonstop1h 50m
Fri 23/1020:20 -
Nonstop2h 10m
Deal found 18/9$256
Best flights from Adelaide to Sydney
Discover carefully curated flight deals from Adelaide to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.
Sat 17/1017:15 -
Nonstop1h 55m
Wed 21/1006:25 -
Nonstop2h 15m
Deal found 19/9$252
Fri 16/1020:00 -
Nonstop1h 50m
Fri 23/1020:20 -
Nonstop2h 10m
Deal found 18/9$256
Sat 17/1012:00 -
1 stop7h 05m
Sat 24/1007:15 -
Nonstop2h 10m
Deal found 19/9$374
Sat 10/1006:25 -
Nonstop2h 00m
Sat 17/1006:25 -
Nonstop2h 15m
Deal found 19/9$266
Sat 31/1017:40 -
Nonstop1h 55m
Tue 3/1117:25 -
Nonstop2h 05m
Deal found 23/9$274
Sat 31/1011:45 -
1 stop5h 05m
Tue 3/1119:30 -
Nonstop2h 10m
Deal found 20/9$381
Mon 28/919:35 -
Nonstop1h 55m
Fri 2/1006:25 -
Nonstop2h 15m
Deal found 21/9$323
Fri 13/1119:40 -
Nonstop1h 55m
Sun 15/1112:25 -
Nonstop2h 10m
Deal found 23/9$337
Thu 5/1107:45 -
Nonstop2h 00m
Sun 15/1110:55 -
Nonstop2h 10m
Deal found 23/9$344
Wed 30/906:25 -
Nonstop2h 00m
Sun 4/1006:25 -
Nonstop2h 15m
Deal found 21/9$349
Wed 30/909:15 -
Nonstop1h 55m
Sat 3/1017:15 -
Nonstop2h 10m
Deal found 19/9$349
Wed 14/1012:00 -
Nonstop1h 50m
Sun 18/1006:25 -
Nonstop2h 15m
Deal found 21/9$354
Direct flights from Adelaide to Sydney
Explore direct flight options from Adelaide to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 September 2026.
Thu 5/1107:45 -
Nonstop2h 00m
Thu 12/1107:00 -
Nonstop2h 05m
Deal found 21/9$238
Sun 18/1006:25 -
Nonstop2h 00m
Wed 28/1010:55 -
Nonstop2h 10m
Deal found 21/9$242
Mon 19/1020:00 -
Nonstop1h 50m
Mon 26/1007:15 -
Nonstop2h 10m
Deal found 21/9$243
Wed 21/1017:15 -
Nonstop1h 55m
Wed 28/1007:00 -
Nonstop2h 05m
Deal found 22/9$245
Thu 19/1106:00 -
Nonstop1h 55m
Mon 23/1119:30 -
Nonstop2h 10m
Deal found 20/9$246
Sun 18/1006:25 -
Nonstop2h 00m
Thu 22/1006:25 -
Nonstop2h 15m
Deal found 22/9$247
Fri 13/1119:55 -
Nonstop1h 55m
Sun 15/1112:15 -
Nonstop2h 10m
Deal found 21/9$249
Sat 17/1017:15 -
Nonstop1h 55m
Sat 24/1006:25 -
Nonstop2h 15m
Deal found 23/9$250
Fri 6/1119:40 -
Nonstop1h 55m
Mon 9/1107:00 -
Nonstop2h 05m
Deal found 22/9$252
Fri 6/1119:55 -
Nonstop1h 55m
Mon 9/1119:30 -
Nonstop2h 10m
Deal found 19/9$254
Fri 16/1020:00 -
Nonstop1h 50m
Fri 23/1020:20 -
Nonstop2h 10m
Deal found 18/9$256
Last-minute flights from Adelaide to Sydney
Discover last-minute flight deals from Adelaide to Sydney. Data last updated 23 September 2026 and is based on user searches.
Fri 9/1019:35 -
Nonstop1h 55m
Sat 10/1006:25 -
Nonstop2h 15m
Deal found 21/9$259
Mon 12/1006:00 -
Nonstop1h 50m
Wed 14/1009:15 -
Nonstop2h 10m
Deal found 20/9$254
Tue 13/1012:00 -
Nonstop1h 50m
Thu 15/1020:20 -
Nonstop2h 10m
Deal found 21/9$252
Fri 16/1020:00 -
Nonstop1h 50m
Fri 23/1020:20 -
Nonstop2h 10m
Deal found 18/9$256
Sat 17/1017:15 -
Nonstop1h 55m
Sat 24/1006:25 -
Nonstop2h 15m
Deal found 23/9$250
Sun 18/1006:25 -
Nonstop2h 00m
Wed 28/1010:55 -
Nonstop2h 10m
Deal found 21/9$242
Sun 18/1006:25 -
Nonstop2h 00m
Thu 22/1006:25 -
Nonstop2h 15m
Deal found 22/9$247
Mon 19/1020:00 -
Nonstop1h 50m
Mon 26/1007:15 -
Nonstop2h 10m
Deal found 21/9$243
Wed 21/1017:15 -
Nonstop1h 55m
Wed 28/1007:00 -
Nonstop2h 05m
Deal found 22/9$245
Sat 31/1017:40 -
Nonstop1h 55m
Tue 3/1107:15 -
Nonstop2h 10m
Deal found 18/9$257
One-way flights from Adelaide to Sydney
Search for one-way flight options from Adelaide to Sydney. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.
Sun 18/1006:25 -
Nonstop2h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9$121
Wed 28/1007:45 -
Nonstop2h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9$122
Wed 9/1217:40 -
Nonstop1h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9$124
Wed 21/1006:25 -
Nonstop2h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9$125
Wed 4/1107:45 -
Nonstop2h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9$127
Tue 20/1017:15 -
Nonstop1h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9$128
Mon 12/1019:00 -
Nonstop1h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9$129
Tue 20/1012:25 -
Nonstop1h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9$131
Tue 29/906:25 -
Nonstop2h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9$132
Fri 9/1019:35 -
Nonstop1h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9$138
Sat 10/1006:25 -
Nonstop2h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9$139
Sat 26/919:35 -
Nonstop1h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/9$141
Find 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 23 September 2026.
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 7,457,451 searches. Data last updated 23 September 2026.
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
Cheapest return flight
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Tue 8/12
09:15-11:45
Nonstop2h 00m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$124
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Wed 9/12
14:45-17:05
Nonstop1h 50m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$124
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Tue 24/11
07:45-10:15
Nonstop2h 00m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$124
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Wed 18/11
19:40-22:05
Nonstop1h 55m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$125
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Wed 4/11
14:45-17:05
Nonstop1h 50m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$127
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Fri 6/11
19:40-22:05
Nonstop1h 55m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$127
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Tue 20/10
15:00-17:20
Nonstop1h 50m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$127
Fastest return journey
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Mon 12/10
19:00-21:20
Nonstop1h 50m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$129
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Tue 22/12
19:40-22:05
Nonstop1h 55m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$139
AdelaideSydney
ADL Adelaide - SYD Sydney Kingsford Smith
ADLSYD
Adelaide
Sat 10/10
19:35-22:00
Nonstop1h 55m
Sydney Kingsford Smith
Wed 31/12
00:00-23:30
Nonstop0h 00m
$150
Flights are sorted by cheapest return flights first.
Deals found on 22/9
Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3
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.
ADL-SYD
Estimated return 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 Adelaide to Sydney
Prices
Airlines
Delays
How far ahead should I book a flight from Adelaide to Sydney?
The best time to book flights from Adelaide to Sydney is 69 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, January is the cheapest month in which you can book a flight from Adelaide to Sydney (average of $246). Flying from Adelaide to Sydney in December is currently the most expensive (average of $340). 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 23 September 2026.
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 52% 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 19 September 2026.
Travellers seeking maximum savings on their Adelaide to Sydney flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Adelaide to Sydney?
Airfare is below average for this route at the moment.
Adelaide to Sydney flights typically cost between $252 and $399 in November.The cheapest return price found within the last 5 days was $238 on Jetstar (5 Nov–12 Nov).
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 23 September 2026.
The most flights from ADL to SYD are scheduled on a Tuesday (117 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (75 on average).
How often are flights from Adelaide to Sydney delayed?
About 16% of weekly flights between Adelaide and Sydney have experienced delays in the past year, with the average delay time being 91 minutes.
What is the most punctual flight time for Adelaide to Sydney flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Adelaide to Sydney flights?
Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 12% of flights being delayed.
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 23 September 2026.
Read through reviews of airlines operating flights from Adelaide to Sydney, such as Virgin Australia,Qantas Airways, andJetstar. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
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.
What airports do I use to fly from Adelaide to Sydney?
Booking a flight from Adelaide (ADL) to Sydney Kingsford Smith (SYD) is your only option if you wish to fly from Adelaide to Sydney. On a typical day, there are 100 flights from Adelaide to Kingsford Smith, all of which are around 1h 50m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Adelaide to Sydney.
How popular is this Adelaide to Sydney flight route?
This flight path from Adelaide to Sydney Kingsford Smith was viewed by 12,919 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Adelaide to Sydney?
Departing from Adelaide to Sydney will take you 1h 55m. Airlines will cover a distance of 1164 km. All flights are typically direct.
What are the cheapest airlines flying from Adelaide to Sydney round-trip?
According to our current data, Jetstar ($126), Virgin Australia ($162), and Qantas Airways ($227) offers the cheapest pricing from Adelaide to Sydney. Jetstar is priced at 56% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Adelaide to Sydney one-way?
To fly one-way, consider booking your trip with Jetstar, which is currently one of the cheapest options available, starting at $103. Virgin Australia flights start at $136 while deals on Qantas Airways start at $188 one-way.
What are the most reliable airlines from Adelaide to Sydney?
The top 3 most reliable airlines when flying from Adelaide to Sydney are Japan Airlines (100%), Air France (98%) and Bangkok Airways (97%).
What are the cheapest flights from Adelaide to Sydney?
While on average a flight from Adelaide to Sydney is generally $2,159, our data shows the cheapest flight currently is $121. When looking at the most popular route, (Adelaide - Sydney Kingsford Smith), you can expect to pay $159 for that flight.
Can I find deals for business class flights from Adelaide to Sydney?
Yes. Cheapflights offers flight deals from Adelaide to Sydney 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 Adelaide to Sydney?
Currently, January is the cheapest month in which you can book a flight from Adelaide to Sydney (average of $246). Flying from Adelaide to Sydney in December is currently the most expensive (average of $340). 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.
Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Lithgow
Cronulla
Terrigal
Katoomba
Randwick
Leura
Bondi Beach
Coogee
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Airlines
Alternative routes
Complete your trip
Direct flights to New South Wales
Flights by cabin class
Other flight options
Other flights from Adelaide
Popular flights
Sydney flight routes
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 23 September 2026.
Browse through other flights departing from Adelaide. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.
Discover the top 3 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 7,457,451 searches. Data last updated 23 September 2026.
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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.