The cheapest times to fly from ADL to SYD are

  • January 29th to April 1st
  • May 14th to May 27th
  • July 30th to September 16th
  • October 22nd to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ADL to SYD is late August to early September. Prices can be as high as $240 for Friday flights during late December, or as low as $96 for Tuesday flights around late August to early September.


When to Fly to Sydney

Flying from Adelaide (ADL) to Sydney (SYD) will usually cost between $103 to $184 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late August to early September with an average ticket price of $105. Due to high demand the most expensive time to fly is late December, with an average price of $210. Planning your trip to low-cost times can easily save you $104 on economy flights and even more on first-class flights. Generally, any price below $135 can be considered a good price for a round-trip ADL to SYD flight.

See below for a graph of average weekly prices for the ADL to SYD route. All prices are for round-trip tickets in USD.

ADL to SYD Flight Prices

Compared to other flights, the ADL to SYD flight is much cheaper than the average and costs much less than the average flight leaving from Adelaide. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $31 (20%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $125. Return trip prices are from the SYD to ADL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ADL to SYD can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 17 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from ADL to SYD? We’ve got answers.

Which airlines fly this route?

You can find 31 major airlines flying this route most often: Aegean, Aerolineas Argentinas, Air China, Air France, Air New Zealand, Air Serbia, American, atlasglobal, Azerbaijan Airlines, Bangkok Airways, Belavia, China Eastern, Delta, Emirates, Finnair, Hainan, Jetstar, LATAM, LOT, Lufthansa, Pegasus, Qantas, Qatar Airways, Rex, Singapore Airlines, Tigerair, Turkish Airlines, Ukraine International, United, Virgin Atlantic, Virgin Australia, and potentially more during busy seasons.

How far away is it from Sydney International Airport to Adelaide International Airport?

The distance between the two airports is roughly 723 miles or 1164 kilometers.

How long does it take to fly from ADL to SYD?

The real-world flight time for a nonstop ADL to SYD flight is about 2 hour 17 minutes.

How many flights go between Adelaide and Sydney?

It depends on the day of the week and the date, but a typical day might have around 55 available flights from ADL to SYD.


Airport Location Info


Departing Airport

Origination code ADL
Origination airport name Adelaide International Airport
City Adelaide
Country Australia
Latitude -34.9
Longitude 138.5

Return Airport

Destination code SYD
Destination airport name Sydney International Airport
City Sydney
Country Australia
Latitude -33.9
Longitude 151.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.