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

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SYD
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Adelaide to Sydney Kingsford Smith are usually found in May or June, booked 74 days in advance, depart on a Saturday or Friday and return on a Wednesday

Cheap flight deals from Adelaide to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Sydney (SYD). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Jetstar)

One-way from

$73
(Jetstar)

Popular in

December

Cheapest in

May

Average price

$177

Good round-trip deal

$180 or less

Good one-way deal

$116 or less
Provider with most accurate pricing for Adelaide-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Adelaide-Sydney Kingsford Smith flights.
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From Adelaide to Sydney Kingsford Smith
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One-way flight from Adelaide to Sydney Kingsford Smith
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Highest demand for flights based on searches. 10% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Adelaide to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Adelaide to Sydney Kingsford Smith.
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Find flight deals from Adelaide to Sydney

Cheapest flights from Adelaide to Sydney
Explore the most affordable flight options available from Adelaide to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Jetstar deal was found by Cheapflights users on 3/24. 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 5/76:25 amADL - SYD
Nonstop1h 55mJetstar
Wed 5/78:20 pmSYD - ADL
Nonstop2h 10mJetstar
Deal found 3/24$137
This Virgin Australia deal was found by Cheapflights users on 3/24. 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 Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:45 amADL - SYD
1 stop5h 05mVirgin Australia
Mon 12/87:30 pmSYD - ADL
Nonstop2h 10mVirgin Australia
Deal found 3/24$173
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 3/247:45 pmADL - SYD
Nonstop1h 55mMultiple Airlines
Mon 3/316:50 amSYD - ADL
Nonstop2h 10mMultiple Airlines
Deal found 3/23$221
This Qantas Airways deal was found by Cheapflights users on 3/24. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/188:10 pmADL - SYD
Nonstop1h 50mQantas Airways
Mon 4/216:05 amSYD - ADL
1 stop3h 50mQantas Airways
Deal found 3/24$361
This Rex deal was found by Cheapflights users on 3/23. 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 Rex is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:00 amADL - SYD
1 stop5h 45mRex
Fri 4/111:25 pmSYD - ADL
1 stop7h 20mRex
Deal found 3/23$948

Cheapflights Fare Finder

Customize your flight search to find flights from Adelaide to Sydney 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 March 25, 2025.
Use the filters below to find and compare flights from Adelaide to Sydney that are best for you.

Fly from

Adelaide

Fly to

Sydney

Route

Depart

Return

Price

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Wed 5/7

6:25 am-8:50 am

Nonstop1h 55m

Sydney Kingsford Smith

Wed 5/7

8:20 pm-10:00 pm

Nonstop2h 10m

$137

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Wed 5/7

6:00 am-8:20 am

Nonstop1h 50m

Sydney Kingsford Smith

Wed 5/7

10:20 am-4:35 pm

1 stop6h 45m

$187

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 4/21

6:00 am-8:20 am

Nonstop1h 50m

Sydney Kingsford Smith

Mon 4/28

9:20 pm-7:55 am

1 stop11h 05m

$235

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Fri 4/18

8:10 pm-10:30 pm

Nonstop1h 50m

Sydney Kingsford Smith

Mon 4/21

6:05 am-9:25 am

1 stop3h 50m

$361

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 4/7

7:00 am-1:15 pm

1 stop5h 45m

Sydney Kingsford Smith

Fri 4/11

1:25 pm-8:15 pm

1 stop7h 20m

$948

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Thu 5/22

5:15 pm-7:40 pm

Nonstop1h 55m

$73

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 8/18

2:30 pm-4:50 pm

Nonstop1h 50m

$75

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Fri 4/25

9:50 pm-8:15 am

1 stop9h 55m

$149

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 4/21

6:00 am-11:00 am

1 stop4h 30m

$242

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Sun 4/20

2:10 pm-7:45 am

2 stops17h 05m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Compare providers for flights from Adelaide to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Adelaide to Sydney in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Adelaide-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Adelaide-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Adelaide-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Adelaide-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Adelaide-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Adelaide to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Adelaide 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 Adelaide to Sydney

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

Use this chart to determine the optimal time to book a round-trip flight from Adelaide to Sydney. Price data was last updated on March 21, 2025.

The price you pay for your flight from Adelaide to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Adelaide to Sydney (average of $1,044). Flying from Adelaide to Sydney in December is currently the most expensive (average of $1,643). 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 ADL to SYD?

Find hourly flight availability from Adelaide to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

It’s typically best to fly out from Adelaide to Sydney in the afternoon. Doing so could potentially save you 84% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Adelaide to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Adelaide to Sydney. Price data was last updated on March 16, 2025.

Travelers seeking maximum savings on their Adelaide to Sydney flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Adelaide to Sydney

Explore weekly flight availability from Adelaide to Sydney. 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 March 25, 2025.

The most flights from ADL to SYD are scheduled on a Thursday (107 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (83 on average).

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated March 25, 2025.
See what other customers who have flown with Rex, Emirates and Qantas Airways from Adelaide to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Rex
9.4
Wonderful
27 reviews

Overall

9.4

Entertainment

6.9

Boarding

9.1

Comfort

8.6

Crew

9.6

Food

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2024

MEL - ADL

Very good. On time, very pleasant staff, more legroom than some other airlines. Our airline of choice
Rex
9.4
Wonderful
27 reviews
Rex
9.4
Wonderful
27 reviews

Overall

9.4

Entertainment

6.9

Boarding

9.1

Comfort

8.6

Crew

9.6

Food

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2024

MEL - ADL

Very good. On time, very pleasant staff, more legroom than some other airlines. Our airline of choice
Emirates
8.0
Very good
3,190 reviews
Rex
9.4
Wonderful
27 reviews

Overall

9.4

Entertainment

6.9

Boarding

9.1

Comfort

8.6

Crew

9.6

Food

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2024

MEL - ADL

Very good. On time, very pleasant staff, more legroom than some other airlines. Our airline of choice
Qantas Airways
7.5
Good
809 reviews
Rex
9.4
Wonderful
27 reviews

Overall

9.4

Entertainment

6.9

Boarding

9.1

Comfort

8.6

Crew

9.6

Food

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2024

MEL - ADL

Very good. On time, very pleasant staff, more legroom than some other airlines. Our airline of choice
Virgin Australia
7.5
Good
395 reviews
Rex
9.4
Wonderful
27 reviews

Overall

9.4

Entertainment

6.9

Boarding

9.1

Comfort

8.6

Crew

9.6

Food

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2024

MEL - ADL

Very good. On time, very pleasant staff, more legroom than some other airlines. Our airline of choice
Jetstar
6.6
Okay
433 reviews
Rex
9.4
Wonderful
27 reviews

Overall

9.4

Entertainment

6.9

Boarding

9.1

Comfort

8.6

Crew

9.6

Food

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2024

MEL - ADL

Very good. On time, very pleasant staff, more legroom than some other airlines. Our airline of choice

Related info for your journey

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

    Booking a flight from Adelaide (ADL) to Sydney Kingsford Smith (SYD) is your only option if you wish to fly from Adelaide to Sydney. On a typical day, there are 95 flights from Adelaide to Kingsford Smith, all of which are around 1h 50m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Adelaide to Sydney.

  • How popular is this Adelaide to Sydney flight route?

    This flight path from Adelaide to Sydney Kingsford Smith was viewed by 71 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Adelaide to Sydney round-trip?

    Flying on Jetstar is currently your cheapest option to Sydney, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Virgin Australia and Qantas Airways, with the lowest prices starting at $187 and $361, respectively. These flights start at 24% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Adelaide to Sydney one-way?

    To fly one-way, consider booking your trip with Jetstar, which is currently one of the cheapest options available, starting at $73. Virgin Australia flights start at $75 while deals on Qantas Airways start at $242 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Adelaide to Sydney consider choosing Alliance Airlines (100%), United Airlines (93%) or Air India (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Adelaide to Sydney?

    On average you can expect to pay $528 for a flight from Adelaide to Sydney. The cheapest flight overall is $88 while the most popular route, (Adelaide - Sydney Kingsford Smith) is currently priced at $166.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Adelaide to Sydney (average of $1,044). Flying from Adelaide to Sydney in December is currently the most expensive (average of $1,643). 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
Wollongong
Parramatta
Coogee
Manly

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Top 3 airlines flying from Adelaide to Sydney

Discover the top 3 airlines that operate flights from Adelaide to Sydney. 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$136Average$195FlexibilityNo cancel feeOn-time74%
Virgin AustraliaCheapest$159Average$236FlexibilityNo cancel feeOn-time80%
Qantas AirwaysCheapest$198Average$256FlexibilityNo cancel feeOn-time74%
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