Cheap flights from Adelaide to Sydney

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Flight deals from Adelaide to Sydney

Looking for a cheap last-minute deal or the best round-trip flight from Adelaide to Sydney? Find the lowest prices on one-way and round-trip 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 May.

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 foundC$187
Cheapest month to flyMay
Average flight time1 hr, 53 mins
Most popular airlineAir New Zealand
Average flights per week784

Finding cheap flights from Adelaide to Sydney: Frequently asked questions

The best price we found for a round-trip flight from Adelaide to Sydney is C$187. 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.
There are 784 flights per week flying from Adelaide to Sydney, as of April 2025.
The cheapest month to fly from Adelaide to Sydney is usually April 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 Sunday, May 25, 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.

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

  • Around 1 hour 50 minutes is how long you'll be travelling on a direct flight from Adelaide Airport to Sydney (Kingsford Smith) Airport.

  • Sydney is 30 minutes ahead of Adelaide and follows the UTC+11 timezone.

  • Flights from ADL to SYD start at 06:00 — the first with Qantas. The last departure is at 20:10 with Qantas. Overall, you can choose from 202 weekly Adelaide Airport to Sydney (Kingsford Smith) Airport flights.

  • Give yourself enough time to make your ADL to SYD flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month like January? Major public holidays and other popular seasons can result in longer lines at check-in and security. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • You can travel nonstop to Sydney, Australia. Book a ticket with one of these carriers that offer direct flights from Adelaide Airport to Sydney (Kingsford Smith) Airport:

  • Jetstar is the airline most travellers choose for this route.

  • With 72.86% of services landing as planned, Virgin Australia Regional is the most punctual carrier operating ADL to SYD flights.

  • If you want to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Adelaide Airport to Sydney (Kingsford Smith) Airport. These are the most popular stopovers between ADL and SYD:

    • Canberra Airport

    • Melbourne Tullamarine Airport

    • Launceston Airport

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

  • Right now, C$93 is the lowest price we've found for a one-way Adelaide Airport to Sydney (Kingsford Smith) Airport flight. The best price for a return ticket is C$187. Bear in mind that fares can change due to availability at the time of booking.

  • Book one month before flying. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from ADL to SYD.

  • The cheapest month for flights from Adelaide Airport to Sydney (Kingsford Smith) Airport is December. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Getting your hands on cheap flights from ADL to SYD is a cinch 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 fares go down.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Adelaide Airport to Sydney (Kingsford Smith) Airport.

Handy information about Adelaide Airport (ADL)

  • 75.6% of flights that leave from Adelaide Airport land at their destination on schedule.

  • To get to Adelaide Airport from central Adelaide, it'll take about 15 minutes by car. This depends on traffic though. It's approximately 8 kilometres from the airport to the city centre.

  • Expect a journey time of around 50 minutes on public transport.

  • Searching for a convenient hotel close to ADL? If you've booked an early flight from Adelaide Airport to Sydney (Kingsford Smith) Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

  • If you're arriving on a late Adelaide Airport to Sydney (Kingsford Smith) Airport flight, few things top the convenience of being close to the terminal. Grab your suitcases from the carousel and then be resting shortly after at one of these options near SYD:

  • Get your adventure underway by picking up a Sydney (Kingsford Smith) Airport rental car. Grab a set of wheels from simba car hire, Bargain Car Rentals or Yes Drive and explore beyond Sydney's usual tourist stops.

  • Lock in the best possible rate by reserving your vehicle from Sydney (Kingsford Smith) Airport around two weeks before your trip.

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

  • Sydney (Kingsford Smith) Airport is roughly 18 kilometres from central Sydney. Driving there takes about 20 minutes.

  • If you're using public transport, expect a journey of around 25 minutes.

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

  • April is the busiest month for flights from Adelaide Airport to Sydney (Kingsford Smith) Airport. To steer clear of the crowds, go to Sydney in April.

  • Book your flight from Adelaide Airport to Sydney (Kingsford Smith) Airport for January if you want to explore Sydney during its warmest month. Expect temperatures of between 17ºC (63ºF) and 32ºC (90ºF).

  • July sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap tickets from ADL to SYD sometime then if you want to travel in cooler conditions.

Explore more of Australia

  • Sydney is easy to fall in love with, but there are so many other parts of Australia you'll want to see. Around 241 kilometres south-west of Sydney, a trip to Canberra will keep your itinerary packed. Start with leading sights like Australian War Memorial, National Gallery of Australia and Parliament House.

  • Around 121 kilometres north-east of Sydney, Newcastle is another essential stop in Australia. Experience this destination's highlights firsthand at Newcastle Beach, Nobbys Beach and Merewether Beach.

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