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Cheap flights from Sydney to Adelaide

SYD — ADL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Adelaide are usually found in May or June, booked 88 days in advance, depart on a Thursday or Tuesday 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 11 September 2025.

Popular in

December

Cheapest in

May

Average price

C$ 238
Highest demand for flights based on searches. 8% potential increase in price (C$ 34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 29 August 2025.

The best time to book flights from Sydney to Adelaide is 88 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 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 11 September 2025.

It’s optimal to fly from Sydney to Adelaide in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.

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 11 September 2025.
Read reviews from past customers who have flown Jetstar from Sydney to Adelaide. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jetstar
6.5
Okay
474 reviews
Check prices

Entertainment

5.1

Food

5.6

Overall

6.5

Comfort

6.4

Boarding

6.8

Crew

7.3

Reviews

1 / 20
2.0
Mediocre

Matt,Jul 2025

DPS - MEL

One of the worst flights I've ever been on. Avoid Jetstar and particular this redeye at all costs
Jetstar
6.5
Okay
474 reviews
Jetstar
6.5
Okay
474 reviews
Check prices

Entertainment

5.1

Food

5.6

Overall

6.5

Comfort

6.4

Boarding

6.8

Crew

7.3

Reviews

1 / 20
2.0
Mediocre

Matt,Jul 2025

DPS - MEL

One of the worst flights I've ever been on. Avoid Jetstar and particular this redeye at all costs

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.

  • How popular is this Sydney to Adelaide flight route?

    The Sydney Kingsford Smith to Adelaide flight path was viewed by 17 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?

    Our cheapest airline available from Sydney to Adelaide is Jetstar. Our recent data shows that you can find tickets from as low as C$ 197 on this airline. Jetstar is currently priced 23% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Sydney to Adelaide are IndiGo (82%), Fiji Airways (79%) and Finnair (78%).

  • 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.

See more FAQs

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Other flights to Adelaide

Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
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Top airline flying from Sydney to Adelaide

Discover the top airline 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapestC$ 197AverageC$ 233FlexibilityNo cancel feeOn-time74%
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Fly with Cheapflights

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

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

Cheapflights helps you search for flights from Sydney to Adelaide 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 Sydney to Adelaide?

Cheapflights helps you find that perfect flight to Adelaide from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Adelaide, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Adelaide from Sydney today and book when prices fit your budget.

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