Cheap Flights from Sydney to Adelaide
Prices are from searches made in the last 24 hours and current prices may differ.
Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to Adelaide from Australia. Maybe a different destination? Here are all the flights from Sydney
Cheapest Time of Year to Fly from Sydney to Adelaide
Return fares from Sydney to Adelaide by month, based on the cheapest return airfares found for each month.
The cheapest month to fly to Adelaide is August 2026, with return fares from $244 — 29% cheaper than the most expensive month (December 2026, from $342).
When Should You Fly to Adelaide?
Based on the fares we've tracked, August is typically the cheapest month to fly to Adelaide, with return fares from $244. December is the most expensive month, with the cheapest return fares around $342 as school holidays and the Christmas peak push prices up.
Across the year, return fares to Adelaide average around $275. If you can travel in the off-peak months of August, November and October, you'll generally pay up to 11% less than the yearly average.
Cheapest Sydney to Adelaide Return Prices
These are the cheapest prices for Sydney to Adelaide return airfares.
Average Sydney to Adelaide Return Prices
These are the average prices for Sydney to Adelaide return airfares.
Frequently Asked Questions about flying from Sydney to Adelaide
When is the cheapest time to travel from Sydney to Adelaide?The cheapest month to travel is typically August.
How much do return flights from Sydney to Adelaide cost?The best price we found for a return flight from Sydney to Adelaide is $242.
What is the cheapest date to fly from Sydney to Adelaide?Currently, the cheapest date for a return flight from Sydney to Adelaide is 08 September 2026.
What is the cheapest airline that flys from Sydney to Adelaide?Currently, the cheapest airline that flys from Sydney to Adelaide is Jetstar.
Which airlines fly direct from Sydney to Adelaide?Jetstar, ANA, Qantas, Alliance Air Pty and Virgin Australia fly direct.
How long does a direct flight from Sydney to Adelaide take?The shortest direct flight usually takes 2 hours and 5 minutes.
What is the IATA airport code for Adelaide?The IATA code for Adelaide is ADL. It is located in Australia at coordinates -34.93726, 138.5392.
When should you book flights to Adelaide?From our data, you should book flights to Adelaide 30 days out.
How I Want That Flight can help you
What's the benefit of using I Want That Flight for my Sydney to Adelaide flight?Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.
Can you sort me out with direct flights from Sydney to Adelaide?100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.
How does I Want That Flight find me the best Sydney to Adelaide flights?Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.
I'm still in the planning phase. Can you ping me if Sydney to Adelaide fares drop?No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.
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