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Cheap flights from Adelaide to Sydney from £57

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SYD
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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 Wednesday or Monday 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 28 October 2025.

Round-trip from

£116

One-way from

£57

Popular in

December

Cheapest in

August

Average price

£163

Good round-trip deal

£117 or less

Good one-way deal

£78 or less
Jetstar
  • Jetstar
  • 12/3-15/3
  • Nonstop
  • 3h 55m total
  • Adelaide to Sydney
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Jetstar
  • Jetstar
  • 15/1
  • Nonstop
  • 1h 50m total
  • Adelaide to Sydney
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Highest demand for flights based on searches. 8% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return 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

Enter your travel dates to find the best prices.

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 28 October 2025.

Wed 12/1117:40ADL - SYD
Nonstop1h 50mJetstar
Wed 19/1107:00SYD - ADL
Nonstop2h 00mJetstar
Deal found 27/10£116
Wed 12/1117:40ADL - SYD
Nonstop1h 50mJetstar
Thu 13/1107:00SYD - ADL
Nonstop2h 00mJetstar
Deal found 26/10£120
Mon 24/1119:40ADL - SYD
Nonstop1h 50mJetstar
Mon 1/1207:00SYD - ADL
Nonstop2h 00mJetstar
Deal found 26/10£129
Tue 28/1019:40ADL - SYD
Nonstop1h 50mJetstar
Wed 29/1007:00SYD - ADL
Nonstop2h 05mJetstar
Deal found 26/10£130
Thu 13/1107:45ADL - SYD
Nonstop2h 00mJetstar
Thu 13/1112:30SYD - ADL
Nonstop2h 05mJetstar
Deal found 27/10£143
Wed 29/1014:45ADL - SYD
Nonstop1h 50mJetstar
Wed 29/1020:40SYD - ADL
Nonstop2h 05mJetstar
Deal found 27/10£144
Tue 25/1119:40ADL - SYD
Nonstop1h 50mJetstar
Thu 27/1120:20SYD - ADL
Nonstop2h 05mJetstar
Deal found 26/10£149
Sun 9/1107:45ADL - SYD
Nonstop2h 00mJetstar
Wed 12/1107:00SYD - ADL
Nonstop2h 00mJetstar
Deal found 26/10£153
Wed 29/1019:40ADL - SYD
Nonstop1h 50mJetstar
Sat 1/1120:20SYD - ADL
Nonstop2h 05mJetstar
Deal found 27/10£154

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 28 October 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 12/11

17:40-20:00

Nonstop1h 50m

Sydney Kingsford Smith

Wed 19/11

07:00-08:30

Nonstop2h 00m

£116

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Thu 12/3

19:40-22:00

Nonstop1h 50m

Sydney Kingsford Smith

Sun 15/3

07:00-08:35

Nonstop2h 05m

£116

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Thu 12/3

19:40-22:00

Nonstop1h 50m

Sydney Kingsford Smith

Sun 22/3

07:00-08:35

Nonstop2h 05m

£116

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 16/3

19:40-22:00

Nonstop1h 50m

Sydney Kingsford Smith

Mon 30/3

09:30-11:10

Nonstop2h 10m

£116

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Wed 12/11

17:40-20:00

Nonstop1h 50m

Sydney Kingsford Smith

Thu 13/11

07:00-08:30

Nonstop2h 00m

£120

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Mon 24/11

07:45-10:15

Nonstop2h 00m

Sydney Kingsford Smith

Mon 1/12

07:00-08:30

Nonstop2h 00m

£137

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Fri 27/3

19:40-22:00

Nonstop1h 50m

Sydney Kingsford Smith

Fri 3/4

17:15-18:55

Nonstop2h 10m

£154

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Sat 25/4

10:50-15:50

1 stop4h 30m

Sydney Kingsford Smith

Sat 2/5

07:15-08:55

Nonstop2h 10m

£159

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Thu 9/4

17:15-19:40

Nonstop1h 55m

Sydney Kingsford Smith

Sat 18/4

17:15-18:55

Nonstop2h 10m

£159

AdelaideSydney

ADL - SYD

ADLSYD

Adelaide

Fri 24/4

06:25-08:50

Nonstop1h 55m

Sydney Kingsford Smith

Sun 26/4

17:15-18:55

Nonstop2h 10m

£160

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 23 results
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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 return 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 return flight from Adelaide to Sydney. Price data was last updated on 24 October 2025.

The best time to book flights from Adelaide to Sydney is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Adelaide to Sydney (average of £63). Flying from Adelaide to Sydney in May is currently the most expensive (average of £81). 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 28 October 2025.

It’s typically best to fly out from Adelaide to Sydney in the morning. Doing so could potentially save you 36% on the flight price compared to flying at midday, 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 return from Adelaide to Sydney. Price data was last updated on 26 October 2025.

Travellers seeking maximum savings on their Adelaide to Sydney flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday 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 28 October 2025.
See what other customers who have flown with Virgin Australia and Jetstar 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.
Virgin Australia
7.6
Good
421 reviews
Check prices

Food

6.4

Crew

8.2

Boarding

7.7

Overall

7.6

Entertainment

6.4

Comfort

7.5

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
Check prices

Food

6.4

Crew

8.2

Boarding

7.7

Overall

7.6

Entertainment

6.4

Comfort

7.5

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
477 reviews
Virgin Australia
7.6
Good
421 reviews
Check prices

Food

6.4

Crew

8.2

Boarding

7.7

Overall

7.6

Entertainment

6.4

Comfort

7.5

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?

    To fly from Adelaide to Sydney, you need to book a flight from Adelaide (ADL) to Kingsford Smith (SYD). Nonstop flights to Sydney Kingsford Smith from Adelaide take 1h 50m on average. When it comes time to book airfare, you have a few options: there are 105 outbound flights from Adelaide to Kingsford Smith offered by 2 different airlines.

  • How popular is this Adelaide to Sydney flight route?

    The Adelaide to Sydney Kingsford Smith flight path was viewed by 77 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?

    A quick flight from Adelaide to Sydney can take about 1h 50m. Jetstar provides one of the quickest options available for as low as £116. Airlines will cover a distance of 723 mi. Most flights are nonstop.

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

    Virgin Australia, at £113, was found to be the cheapest airline from Adelaide to Sydney. An alternate airline flying to your destination would be Jetstar. Users have found that Virgin Australia is 17% cheaper than the other options available to this destination.

  • 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?

    Looking for the cheapest flight from Adelaide to Sydney? While on average our users pay £367, our data indicates the cheapest price to be £55. The most popular route (Adelaide - Sydney Kingsford Smith), is priced around £125.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Adelaide to Sydney (average of £63). Flying from Adelaide to Sydney in May is currently the most expensive (average of £81). 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

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Adelaide to Sydney

Discover the top 2 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 858,174 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest£113Average£162FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
JetstarCheapest£113Average£138FlexibilityNo cancel feeOn-time74%
Search Jetstar flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Adelaide to Sydney?

Cheapflights helps you search for flights from Adelaide to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Adelaide to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Adelaide to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Adelaide to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Adelaide to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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