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$73+ Cheap flights from Sydney to Adelaide (SYD - ADL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ADL
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Adelaide are usually found in May or August, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Sydney to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Adelaide (ADL). 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 August 13, 2025.

Round-trip from

$146
(Jetstar)

One-way from

$73
(Jetstar)

Popular in

December

Cheapest in

May

Average price

$159

Good round-trip deal

$163 or less

Good one-way deal

$126 or less
From Sydney Kingsford Smith to Adelaide
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One-way flight from Sydney Kingsford Smith to Adelaide
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Highest demand for flights based on searches. 9% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to Adelaide.
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Price to beat on a one-way flight from Sydney Kingsford Smith to Adelaide.
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Find flight deals from Sydney to Adelaide

Cheapest flights from Sydney to Adelaide
Explore the most affordable flight options available from Sydney to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This Jetstar deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:20 amSYD - ADL
Nonstop2h 10mJetstar
Sun 8/246:25 amADL - SYD
Nonstop1h 55mJetstar
Deal found 8/12$146
This Jetstar deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:20 pmSYD - ADL
Nonstop2h 10mJetstar
Wed 9/39:15 amADL - SYD
Nonstop1h 55mJetstar
Deal found 8/11$147
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:00 pmSYD - ADL
Nonstop2h 10mJetstar
Fri 9/56:25 amADL - SYD
Nonstop1h 55mJetstar
Deal found 8/11$148
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:20 amSYD - ADL
Nonstop2h 10mJetstar
Wed 9/1712:00 pmADL - SYD
Nonstop1h 50mJetstar
Deal found 8/12$149
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:20 amSYD - ADL
Nonstop2h 10mJetstar
Wed 9/175:15 pmADL - SYD
Nonstop1h 55mJetstar
Deal found 8/13$150
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:20 pmSYD - ADL
Nonstop2h 10mJetstar
Tue 9/169:15 amADL - SYD
Nonstop1h 55mJetstar
Deal found 8/12$151
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:20 amSYD - ADL
Nonstop2h 10mJetstar
Tue 9/165:15 pmADL - SYD
Nonstop1h 55mJetstar
Deal found 8/12$152
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:20 amSYD - ADL
Nonstop2h 10mJetstar
Thu 8/216:25 amADL - SYD
Nonstop1h 55mJetstar
Deal found 8/12$153
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:20 amSYD - ADL
Nonstop2h 10mJetstar
Wed 10/2212:00 pmADL - SYD
Nonstop1h 50mJetstar
Deal found 8/11$154
This Jetstar deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:20 amSYD - ADL
Nonstop2h 10mJetstar
Wed 8/139:15 amADL - SYD
Nonstop1h 55mJetstar
Deal found 8/10$161
This FlightHub deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:20 amSYD - ADL
Nonstop2h 10mJetstar
Sat 9/66:25 amADL - SYD
Nonstop1h 55mJetstar
Deal found 8/11$162

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Adelaide 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 2,558,603 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Sydney to Adelaide that are best for you.

Fly from

Sydney

Fly to

Adelaide

Route

Depart

Return

Price

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Wed 9/17

8:20 pm-10:00 pm

Nonstop2h 10m

Adelaide

Sat 9/20

5:15 pm-7:40 pm

Nonstop1h 55m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Thu 8/21

6:20 am-8:00 am

Nonstop2h 10m

Adelaide

Sun 8/24

6:25 am-8:50 am

Nonstop1h 55m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Wed 10/22

6:20 am-8:00 am

Nonstop2h 10m

Adelaide

Wed 10/22

9:15 am-11:40 am

Nonstop1h 55m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Mon 10/13

6:20 am-8:00 am

Nonstop2h 10m

Adelaide

Sat 11/15

7:40 pm-10:00 pm

Nonstop1h 50m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Tue 11/11

7:10 am-8:45 am

Nonstop2h 05m

Adelaide

Sat 11/15

7:40 pm-10:00 pm

Nonstop1h 50m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Fri 9/12

6:20 am-8:00 am

Nonstop2h 10m

Adelaide

Tue 9/16

6:25 am-8:50 am

Nonstop1h 55m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Wed 9/10

6:20 am-8:00 am

Nonstop2h 10m

Adelaide

Wed 9/17

12:00 pm-2:20 pm

Nonstop1h 50m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Tue 10/28

8:40 pm-10:15 pm

Nonstop2h 05m

Adelaide

Wed 10/29

7:40 pm-10:00 pm

Nonstop1h 50m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Fri 9/12

6:20 am-8:00 am

Nonstop2h 10m

Adelaide

Fri 9/19

5:15 pm-7:40 pm

Nonstop1h 55m

$146

SydneyAdelaide

SYD - ADL

SYDADL

Sydney Kingsford Smith

Wed 8/20

6:20 am-8:00 am

Nonstop2h 10m

Adelaide

Thu 8/21

6:25 am-8:50 am

Nonstop1h 55m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 21 results
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Best time to book a flight from Sydney to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Sydney with our price prediction graph.
Estimated round-trip 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 Sydney to Adelaide

How far ahead should I book a flight from Sydney to Adelaide?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Adelaide. Price data was last updated on August 8, 2025.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Adelaide. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney to Adelaide?

Currently, August is the cheapest month in which you can book a flight from Sydney to Adelaide (average of $1,214). Flying from Sydney to Adelaide in December is currently the most expensive (average of $2,057). 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 SYD to ADL?

Find hourly flight availability from Sydney to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

When flying from Sydney to Adelaide, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 29% versus a flight at noon.

Weekly flight availability from Sydney to Adelaide

Explore weekly flight availability from Sydney to Adelaide. 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 August 13, 2025.

The most flights from SYD to ADL are scheduled on a Wednesday (106 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (78 on average).

How much does it cost to fly round-trip from Sydney to Adelaide?

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated August 13, 2025.
See what other customers who have flown with Qantas Airways, Virgin Australia, and Jetstar from Sydney to Adelaide have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
895 reviews

Comfort

7.4

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Qantas Airways
7.5
Good
895 reviews
Qantas Airways
7.5
Good
895 reviews

Comfort

7.4

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Virgin Australia
7.5
Good
411 reviews
Qantas Airways
7.5
Good
895 reviews

Comfort

7.4

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Jetstar
6.5
Okay
463 reviews
Qantas Airways
7.5
Good
895 reviews

Comfort

7.4

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Adelaide. 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 Sydney to Adelaide?

    Booking a flight from Sydney Kingsford Smith (SYD) to Adelaide (ADL) is your only option if you wish to fly from Sydney to Adelaide. On a typical day, there are 96 flights from Kingsford Smith to Adelaide, all of which are around 2h 10m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Kingsford Smith to Adelaide.

  • How popular is this Sydney to Adelaide flight route?

    This flight path from Sydney Kingsford Smith to Adelaide was viewed by 24 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What is the cheapest airline to fly from Sydney to Adelaide round-trip?

    Flying on Jetstar is currently your cheapest option to Adelaide, with prices starting at $146. Jetstar is currently priced 21% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Sydney to Adelaide?

    No one likes to see their flight delayed. When booking a flight from Sydney to Adelaide consider choosing Finnair (85%), Fiji Airways (84%) or China Southern (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Sydney to Adelaide?

    The cheapest flight price from Sydney to Adelaide is $76. On average you can expect to pay $190. The most popular route, (Sydney Kingsford Smith - Adelaide), can usually be booked for $100.

  • Can I find deals for flights from Sydney to Adelaide that include hotel bookings?

    Yes. In addition to deals on Sydney to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Adelaide.

  • Can I find deals for business class flights from Sydney to Adelaide?

    Yes. Cheapflights offers flight deals from Sydney to Adelaide 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 Sydney to Adelaide?

    Currently, August is the cheapest month in which you can book a flight from Sydney to Adelaide (average of $1,214). Flying from Sydney to Adelaide in December is currently the most expensive (average of $2,057). 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.

See more FAQs

Traveling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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Top 3 airlines flying from Sydney to Adelaide

Discover the top 3 airlines that operate flights from Sydney to Adelaide. 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 2,558,603 searches. Data last updated August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$135Average$189FlexibilityNo cancel feeOn-time74%
Virgin AustraliaCheapest$202Average$292FlexibilityNo cancel feeOn-time80%
Qantas AirwaysCheapest$242Average$299FlexibilityNo cancel feeOn-time74%

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