Cheap Flights from Adelaide to Sydney

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Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Adelaide to Sydney

Looking for a cheap last-minute deal or the best return flight from Adelaide to Sydney? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Adelaide to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Adelaide to Sydney flights are currently cheapest in April.

Direct flights from Adelaide to Sydney

Adelaide to Sydney: Alternative routes

Compare routes from Adelaide to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Adelaide to Sydney: Flight information

The things to know before you go.
Cheapest flight foundRs19,208
Cheapest month to flyNovember
Average flight time1 hr, 53 mins
Most popular airlineAir New Zealand
Average flights per week534

Finding cheap flights from Adelaide to Sydney: Frequently asked questions

The best price we found for a return flight from Adelaide to Sydney is Rs38,419. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 53 minutes is the average flight time from Adelaide to Sydney.
Air New Zealand, Qantas and Qatar Airways fly direct from Adelaide to Sydney.
As of March 2025, there are 534 flights per week flying from Adelaide to Sydney.
The cheapest month to fly from Adelaide to Sydney is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Adelaide Airport to Sydney Airport on Tuesday, 1 April 2025.
Yes – the average flight time is 1 hour and 53 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Jetstar offers the cheapest flight tickets to Sydney.

Travelling from Adelaide Airport (ADL) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • 1 hour 51 minutes is the average duration of a direct flight from Adelaide Airport to Sydney (Kingsford Smith) Airport. Sydney is 30 minutes ahead of Adelaide and is in the UTC+11 timezone.

  • Each week, there are 202 flights from Adelaide Airport to Sydney (Kingsford Smith) Airport. If you want to jet off as early as possible, jump on the 06:00 Virgin Australia flight. If you're keen to make the most of your day before flying, the last flight from ADL to SYD is 20:55 with Qantas.

  • Travelling over a peak time like July? Public holidays and other popular seasons can mean longer queues and delays at checkpoints. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • One easy journey from ADL to SYD is all it takes to get to Sydney, Australia. There is a variety of airlines that provide direct flights from Adelaide Airport to Sydney (Kingsford Smith) Airport, including:

  • We make it a piece of cake to get a flight with a stopover. To see all your options for flights from Adelaide Airport to Sydney (Kingsford Smith) Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore your chosen city. Popular stopovers between ADL and SYD include:

    • Melbourne Tullamarine Airport

    • Canberra Airport

    • Launceston Airport

  • You won't need your passport or a visa to fly within Australia. You will need a valid identity document though, like a driver's license or ID card. Make sure they're on your packing list after booking your cheap ticket from ADL to SYD.

How to find the cheapest flights from Adelaide Airport (ADL) to Sydney (Kingsford Smith) Airport (SYD)

  • The best price we've seen for a one-way ticket from Adelaide Airport to Sydney (Kingsford Smith) Airport is Rs19,208. The cheapest price for a return flight is Rs38,419. Remember that fares may change due to demand at the time of booking.

  • Book 4 months before you want to travel. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap flights from ADL to SYD.

  • December is the cheapest month for tickets from Adelaide Airport to Sydney (Kingsford Smith) Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Finding a cheap ticket from ADL to SYD is straightforward with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Adelaide Airport to Sydney (Kingsford Smith) Airport.

Handy information about Adelaide Airport (ADL)

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • Sydney (Kingsford Smith) Airport is approximately 18 kilometres from the centre of Sydney. With your own car rental or if you take a cab, the drive is about 21 minutes.

  • If you're using public transport, expect a journey of roughly 27 minutes.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • The quietest month for a flight from Adelaide Airport to Sydney (Kingsford Smith) Airport is April, while July is the busiest. Pick the ideal time to visit Sydney based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Sydney is January, with the temperature ranging between 17ºC and 32ºC. Book your flights from Adelaide Airport to Sydney (Kingsford Smith) Airport in this month if this is the kind of weather you like.

  • Look for cheap flights from ADL to SYD in July if you like cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC and 19ºC on average.

More about Sydney

  • Start your Sydney trip right by finding a wonderful place to stay. Once you've booked your flight from ADL to SYD, explore our accommodation options including:

  • There are so many things to discover in this city it can be hard to know where to begin. Winston Hills Lions Park, Rumsey Rose Garden and Westmead Hospital: Emergency Room are top attractions which should be on every Sydney itinerary.

Complete your Sydney trip with hotels and a car rental

  • Comparing flights is not the only thing we're good at. After booking your cheap ticket to Sydney (Kingsford Smith) Airport, explore our great car rental offers that'll give you the freedom to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Sydney stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.