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Cheap flights from Adelaide to Sydney from C$ 125

ADL — SYD
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Adelaide to Sydney Kingsford Smith are usually found in January or May, booked 70 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Adelaide to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Sydney

Sun 20/96:25 a.m. -
Nonstop2h 00m
Wed 23/96:25 a.m. -
Nonstop2h 15m
Deal found 5/9C$ 230
Sun 13/96:25 a.m. -
Nonstop2h 00m
Thu 17/96:25 a.m. -
Nonstop2h 15m
Deal found 6/9C$ 239
Sat 19/96:25 a.m. -
Nonstop2h 00m
Sat 26/98:20 p.m. -
Nonstop2h 10m
Deal found 4/9C$ 245
Mon 14/96:25 a.m. -
Nonstop2h 00m
Fri 18/96:25 a.m. -
Nonstop2h 15m
Deal found 7/9C$ 246
Mon 14/96:25 a.m. -
Nonstop2h 00m
Thu 17/96:25 a.m. -
Nonstop2h 15m
Deal found 3/9C$ 248
Tue 3/112:45 p.m. -
Nonstop1h 50m
Thu 5/1112:25 p.m. -
Nonstop2h 10m
Deal found 4/9C$ 249
Sat 24/105:15 p.m. -
Nonstop1h 55m
Mon 26/107:00 a.m. -
Nonstop2h 05m
Deal found 6/9C$ 250
Sat 14/115:40 p.m. -
Nonstop1h 55m
Mon 16/117:00 a.m. -
Nonstop2h 05m
Deal found 5/9C$ 253
Wed 16/96:25 a.m. -
Nonstop2h 00m
Wed 16/98:20 p.m. -
Nonstop2h 10m
Deal found 7/9C$ 255
Sat 19/95:15 p.m. -
Nonstop1h 55m
Mon 21/96:25 a.m. -
Nonstop2h 15m
Deal found 6/9C$ 256
Mon 19/105:15 p.m. -
Nonstop1h 55m
Mon 26/107:00 a.m. -
Nonstop2h 05m
Deal found 4/9C$ 259
Thu 10/96:25 a.m. -
Nonstop2h 00m
Sat 12/96:25 a.m. -
Nonstop2h 15m
Deal found 2/9C$ 261

Find flight deals from Adelaide to Sydney

Round-trip from

C$ 230

One-way from

C$ 125

Popular in

December

Cheapest in

January

Average price

C$ 273

Good round-trip deal

C$ 8,125 or less

Good one-way deal

C$ 161 or less
Jetstar
  • Jetstar
  • 22/9-24/9
  • Nonstop
  • 4h 15m total
  • Adelaide to Sydney
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Jetstar
  • Jetstar
  • 21/11-31/12
  • Nonstop
  • 1h 50m total
  • Adelaide to Sydney
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 1 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Adelaide to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Sat 21/11

2:45 p.m.-5:05 p.m.

Nonstop1h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Mon 28/9

7:35 p.m.-10:00 p.m.

Nonstop1h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Tue 17/11

7:40 p.m.-10:05 p.m.

Nonstop1h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Mon 16/11

7:40 p.m.-10:05 p.m.

Nonstop1h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Sun 15/11

7:45 a.m.-10:15 a.m.

Nonstop2h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Mon 14/12

5:40 p.m.-8:05 p.m.

Nonstop1h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Sat 31/10

5:40 p.m.-8:05 p.m.

Nonstop1h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Tue 5/1

5:40 p.m.-8:05 p.m.

Nonstop1h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 125

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Wed 14/10

3:00 p.m.-5:20 p.m.

Nonstop1h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 126

AdelaideSydney

ADL Adelaide - SYD Sydney Kingsford Smith

ADLSYD

Adelaide

Wed 24/2

9:15 a.m.-11:45 a.m.

Nonstop2h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-11:30 p.m.

Nonstop0h 00m

C$ 126

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 24 resultsSorted by cheapest first
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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 round-trip price

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?

The best time to book flights from Adelaide to Sydney is 69 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, January is the cheapest month in which you can book a flight from Adelaide to Sydney (average of C$ 241). Flying from Adelaide to Sydney in December is currently the most expensive (average of C$ 332). 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?

It’s typically best to fly out from Adelaide to Sydney in the afternoon. Doing so could potentially save you 92% on the flight price compared to flying at noon, which is usually more expensive.

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

Airfare is below average for this route at the moment.

Adelaide to Sydney flights typically cost between C$ 234 and C$ 340 in September.
The cheapest round-trip price found within the last 5 days was C$ 230 on Jetstar (20 Sep-23 Sep).

Related info for your journey

  • How popular is this Adelaide to Sydney flight route?

    Within the past month, 17 users have taken a look at flights from Adelaide to Sydney Kingsford Smith.

  • How long is the flight from Adelaide to Sydney?

    Airlines like Jetstar fly from Adelaide to Sydney in about 1h 55m. The time it takes to get you to your destination is usually consistent. Adelaide and Sydney are separated by a distance of 1164 km. All flights are typically direct.

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

    The top 3 most reliable airlines when flying from Adelaide to Sydney are Japan Airlines (100%), Air France (98%) and Bangkok Airways (95%).

  • 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, January is the cheapest month in which you can book a flight from Adelaide to Sydney (average of C$ 241). Flying from Adelaide to Sydney in December is currently the most expensive (average of C$ 332). 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
Parramatta

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