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$77+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SYD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Adelaide to Sydney Kingsford Smith are usually found in August or June, booked 77 days in advance, depart on a Saturday or Friday and return on a Tuesday

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$153
(Jetstar)

One-way from

$77
(Jetstar)

Popular in

December

Cheapest in

August

Average price

$213

Good round-trip deal

$232 or less

Good one-way deal

$127 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. 9% potential increase in price ($18 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 October 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 October 16, 2025.

This Jetstar deal was found by Cheapflights users on 10/15. 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 11/127:45 amADL - SYD
Nonstop2h 00mJetstar
Wed 11/196:55 amSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/15$153
This Jetstar deal was found by Cheapflights users on 10/15. 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.
Fri 11/147:40 pmADL - SYD
Nonstop1h 50mJetstar
Tue 11/185:25 pmSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/15$154
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/115:20 pmADL - SYD
Nonstop1h 50mJetstar
Thu 11/138:20 pmSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/15$158
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/97:45 amADL - SYD
Nonstop2h 00mJetstar
Tue 11/118:20 pmSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/16$170
This Jetstar deal was found by Cheapflights users on 10/15. 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.
Sat 12/67:40 pmADL - SYD
Nonstop1h 50mJetstar
Sun 12/76:55 amSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/15$183
This Trip.com deal was found by Cheapflights users on 10/15. 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.
Sun 11/96:00 amADL - SYD
Nonstop1h 55mMultiple Airlines
Tue 11/118:20 pmSYD - ADL
Nonstop2h 05mMultiple Airlines
Deal found 10/15$195
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/57:40 pmADL - SYD
Nonstop1h 50mJetstar
Mon 11/106:55 amSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/16$208
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:40 pmADL - SYD
Nonstop1h 50mJetstar
Sun 12/76:55 amSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/16$214
This Jetstar deal was found by Cheapflights users on 10/16. 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.
Thu 11/279:15 amADL - SYD
Nonstop2h 00mJetstar
Thu 11/278:20 pmSYD - ADL
Nonstop2h 05mJetstar
Deal found 10/16$222

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 October 16, 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

Tue 2/24

7:45 am-10:15 am

Nonstop2h 00m

Sydney Kingsford Smith

Thu 3/5

7:00 am-8:35 am

Nonstop2h 05m

$153

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 2/2

5:40 pm-8:00 pm

Nonstop1h 50m

Sydney Kingsford Smith

Thu 2/5

5:25 pm-7:00 pm

Nonstop2h 05m

$153

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Sat 11/15

9:15 am-11:45 am

Nonstop2h 00m

Sydney Kingsford Smith

Sat 11/15

8:20 pm-9:55 pm

Nonstop2h 05m

$154

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Thu 1/8

7:40 pm-10:00 pm

Nonstop1h 50m

Sydney Kingsford Smith

Sun 1/11

8:40 pm-10:15 pm

Nonstop2h 05m

$165

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Sun 11/9

7:45 am-10:15 am

Nonstop2h 00m

Sydney Kingsford Smith

Tue 11/11

8:20 pm-9:55 pm

Nonstop2h 05m

$170

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Sat 4/11

9:15 am-11:40 am

Nonstop1h 55m

Sydney Kingsford Smith

Mon 4/20

6:25 am-8:05 am

Nonstop2h 10m

$222

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Thu 11/27

9:15 am-11:45 am

Nonstop2h 00m

Sydney Kingsford Smith

Thu 11/27

8:20 pm-9:55 pm

Nonstop2h 05m

$222

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 3/30

6:25 am-8:50 am

Nonstop1h 55m

Sydney Kingsford Smith

Tue 3/31

3:00 pm-4:40 pm

Nonstop2h 10m

$225

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Sat 12/27

5:05 pm-7:30 pm

Nonstop1h 55m

Sydney Kingsford Smith

Wed 12/31

7:15 am-8:55 am

Nonstop2h 10m

$234

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Fri 10/31

7:40 pm-10:00 pm

Nonstop1h 50m

Sydney Kingsford Smith

Sun 11/2

5:55 am-7:30 am

Nonstop2h 05m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 24 results
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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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 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 October 10, 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 77 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, August is the cheapest month in which you can book a flight from Adelaide to Sydney (average of $84). Flying from Adelaide to Sydney in May is currently the most expensive (average of $108). 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 October 16, 2025.

It’s typically best to fly out from Adelaide to Sydney in the afternoon. Doing so could potentially save you 76% on the flight price compared to flying in the morning, 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 October 12, 2025.

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

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 October 16, 2025.
Get a feel of what it's like to fly with Virgin Australia, Qantas Airways, and Jetstar from Adelaide to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Australia
7.6
Good
421 reviews

Comfort

7.5

Entertainment

6.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

6.4

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Virgin Australia
7.6
Good
421 reviews
Virgin Australia
7.6
Good
421 reviews

Comfort

7.5

Entertainment

6.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

6.4

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Qantas Airways
7.5
Good
918 reviews
Virgin Australia
7.6
Good
421 reviews

Comfort

7.5

Entertainment

6.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

6.4

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Jetstar
6.5
Okay
475 reviews
Virgin Australia
7.6
Good
421 reviews

Comfort

7.5

Entertainment

6.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

6.4

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.

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 101 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 61 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Adelaide to Sydney?

    Airlines like Jetstar fly from Adelaide to Sydney in about 1h 50m. The time it takes to get you to your destination is usually consistent. The distance from Adelaide to Sydney is about 723 mi. Most flights are nonstop.

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

    Flying on Virgin Australia is currently your cheapest option to Sydney, with prices starting at $118. Additional round-trip tickets that might be worth considering are offered by Jetstar and Qantas Airways, with the lowest prices starting at $137 and $188, respectively. These flights start at 35% lower than the current average price 3 months from now.

  • 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 Fiji Airways (87%), Finnair (87%) or British Airways (84%) 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 $276 for a flight from Adelaide to Sydney. The cheapest flight overall is $90 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, August is the cheapest month in which you can book a flight from Adelaide to Sydney (average of $84). Flying from Adelaide to Sydney in May is currently the most expensive (average of $108). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$118Average$280FlexibilityNo cancel feeOn-time80%
JetstarCheapest$137Average$191FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$188Average$359FlexibilityNo cancel feeOn-time74%

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