$78 Cheap Flights from Sydney (SYD) to Adelaide (ADL)

View $78 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Sydney Airport (SYD) to Adelaide, SA Airport (ADL)

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Cheap Flights from Sydney to Adelaide (SYD-ADL)

Prices were available within the past 7 days and start at $78 for one-way flights and $156 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Thu, Sep 4 - Thu, Sep 11
SYD
Sydney
ADL
Adelaide
$156 Roundtrip, just found
$156
Roundtrip
just found
Select Jetstar flight, departing Thu, Sep 4 from Sydney to Adelaide, returning Thu, Sep 11, priced at $156 just found
Jetstar
Thu, Sep 4 - Thu, Sep 11
SYD
Sydney
ADL
Adelaide
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Jetstar flight, departing Thu, Sep 4 from Sydney to Adelaide, returning Thu, Sep 11, priced at $160 just found
Jetstar
Sat, Aug 30 - Sun, Aug 31
SYD
Sydney
ADL
Adelaide
$164 Roundtrip, found 6 days ago
$164
Roundtrip
found 6 days ago
Select Jetstar flight, departing Sat, Aug 30 from Sydney to Adelaide, returning Sun, Aug 31, priced at $164 found 6 days ago
Jetstar
Thu, Sep 4 - Thu, Sep 11
SYD
Sydney
ADL
Adelaide
$171 Roundtrip, just found
$171
Roundtrip
just found
Select Jetstar flight, departing Thu, Sep 4 from Sydney to Adelaide, returning Thu, Sep 11, priced at $171 just found
Jetstar
Thu, Sep 4 - Thu, Sep 11
SYD
Sydney
ADL
Adelaide
$175 Roundtrip, just found
$175
Roundtrip
just found
Select Jetstar flight, departing Thu, Sep 4 from Sydney to Adelaide, returning Thu, Sep 11, priced at $175 just found
Jetstar
Thu, Sep 4 - Thu, Sep 11
SYD
Sydney
ADL
Adelaide
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Jetstar flight, departing Thu, Sep 4 from Sydney to Adelaide, returning Thu, Sep 11, priced at $177 just found
Jetstar
Thu, Sep 4 - Thu, Sep 11
SYD
Sydney
ADL
Adelaide
$181 Roundtrip, just found
$181
Roundtrip
just found
Select Jetstar flight, departing Thu, Sep 4 from Sydney to Adelaide, returning Thu, Sep 11, priced at $181 just found
Jetstar
Fri, May 15 - Mon, May 18
SYD
Sydney
ADL
Adelaide
$185 Roundtrip, found 11 hours ago
$185
Roundtrip
found 11 hours ago
Select Jetstar flight, departing Fri, May 15 from Sydney to Adelaide, returning Mon, May 18, priced at $185 found 11 hours ago
Virgin Australia
Sun, Nov 23 - Tue, Dec 2
SYD
Sydney
ADL
Adelaide
$221 Roundtrip, found 7 hours ago
$221
Roundtrip
found 7 hours ago
Select Virgin Australia flight, departing Sun, Nov 23 from Sydney to Adelaide, returning Tue, Dec 2, priced at $221 found 7 hours ago
Qantas Airways
Sat, May 30 - Mon, Jun 1
SYD
Sydney
ADL
Adelaide
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Sat, May 30 from Sydney to Adelaide, returning Mon, Jun 1, priced at $285 found 3 days ago

Find the cheapest month to fly from Sydney (SYD) to Adelaide (ADL)

July is typically the cheapest month to fly

From $137 - $220 per traveler.

Graph displaying average flight prices per month

Alternative airports near Adelaide

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Adelaide, SA Airport ADL. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $289
ADL
Adelaide, SA Airport
CheapestClosest
Average driving time to city center11 min
Flights from $289
Flights from Sydney (SYD) to Adelaide (ADL)
Origin airport
Kingsford Smith Intl.
Destination airport
Adelaide
Airlines serving
Jetstar, Qantas Airways, Virgin Australia
Roundtrip price
$156
Distance
722 mi
Average flight time
1 hour 40 mins

Sydney to Adelaide Flights

The cheapest times to fly from Sydney to Adelaide

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to Adelaide are during the month of September. You can find some of the cheapest flights from Sydney to Adelaide with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Adelaide

Sunday is one of the best days to book for cheap flights from Sydney to Adelaide: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sydney to Adelaide

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to Adelaide in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to Adelaide flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to Adelaide airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL) cost?
Lock in a cheap one-way flight from $78 or cheap return flight from $156 from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
The cheapest month to fly from SYD to ADL is September, when there's less demand. Off-peak months are generally when airlines offer better prices between these airports.
Which airlines fly direct from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
Enjoy a seamless journey to Adelaide Airport (ADL). 3 carriers offer direct routes from Kingsford Smith Intl. Airport (SYD), including:

  • Qantas
  • Virgin Australia
  • Jetstar

What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
The cheapest airline to offer flights between Kingsford Smith Intl. Airport (SYD) and Adelaide Airport (ADL) can change depending on when you want to travel. However, you'll often find that low-cost carriers such as Jetstar and Virgin Australia offer cheap, no-frill fares. Use Expedia's filter tool to compare airlines in one place and find the right SYD to ADL flight that suits your budget.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
With an average of 17 direct flights that operate from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL) daily, you'll be on your way in no time.
What are the most popular departure times for flights from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
More people fly between SYD and ADL at 9 AM than at any other time. Prefer a quieter experience? Try choosing a quieter departure window and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from SYD to ADL?
Jet off on a Friday if you're searching for the largest selection of flights from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL).
What is the earliest flight from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
Kingsford Smith Intl. Airport (SYD)'s earliest flight to Adelaide Airport (ADL) leaves at approximately 6:40AM UTC+11. With a travel duration of 2h 5m, you'll arrive at around 8:15AM UTC+10.
How long does it take to fly from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
The average flight time from SYD to ADL is 2 hours and 6 minutes, covering a distance of 720 mi.
What airline has the least delays from SYD to ADL?
Cathay Pacific has the best performance for on-time direct flights from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL), with an on-time score of 100%. Use the Expedia App to look up your journey status before you jet off and get notified of any changes.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
To avoid potential delays on the Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Adelaide from Kingsford Smith Intl. Airport (SYD)?
Adelaide Airport (ADL) is the only airport in Adelaide with direct flights from Kingsford Smith Intl. Airport (SYD). Compare the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL) last-minute?
Booking your ticket from SYD to ADL shortly before your trip is typically more expensive. However, if there's some wiggle room with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a SYD to ADL flight and hotel package?
Compared with arranging hotels and flights separately, booking a SYD to ADL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Adelaide Airport (ADL)?
In most cases, you can reschedule or cancel your SYD to ADL flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.