Cheap Flights from Adelaide to Sydney
Prices are from searches made in the last 24 hours and current prices may differ.
Do you need to catch a flight to Adelaide? Check out our domestic flights to Adelaide. If Adelaide is not your closest airport, then here are all our flights to Sydney from Australia. Maybe a different destination? Here are all the flights from Adelaide
Cheapest Time of Year to Fly from Adelaide to Sydney
Return fares from Adelaide to Sydney by month, based on the cheapest return airfares found for each month.
The cheapest month to fly to Sydney is July 2026, with return fares from $212 — 39% cheaper than the most expensive month (October 2026, from $347).
When Should You Fly to Sydney?
Based on the fares we've tracked, July is typically the cheapest month to fly to Sydney, with return fares from $212. October is the most expensive month, with the cheapest return fares around $347.
Across the year, return fares to Sydney average around $282. If you can travel in the off-peak months of July, August and September, you'll generally pay up to 25% less than the yearly average.
Cheapest Adelaide to Sydney Return Prices
These are the cheapest prices for Adelaide to Sydney return airfares.
Average Adelaide to Sydney Return Prices
These are the average prices for Adelaide to Sydney return airfares.
Frequently Asked Questions about flying from Adelaide to Sydney
When is the cheapest time to travel from Adelaide to Sydney?The cheapest month to travel is typically July.
How much do return flights from Adelaide to Sydney cost?The best price we found for a return flight from Adelaide to Sydney is $239.
What is the cheapest date to fly from Adelaide to Sydney?Currently, the cheapest date for a return flight from Adelaide to Sydney is 29 June 2026.
What is the cheapest airline that flys from Adelaide to Sydney?Currently, the cheapest airline that flys from Adelaide to Sydney is Jetstar.
Which airlines fly direct from Adelaide to Sydney?Fiji Airways, Jetstar, Qantas, Alliance Air Pty and Virgin Australia fly direct.
How long does a direct flight from Adelaide to Sydney take?The shortest direct flight usually takes 1 hours and 50 minutes.
What is the IATA airport code for Sydney?The IATA code for Sydney is SYD. It is located in Australia at coordinates -33.93474, 151.166.
When should you book flights to Sydney?From our data, you should book flights to Sydney 30 days out.
How I Want That Flight can help you
What's the benefit of using I Want That Flight for my Adelaide to Sydney 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 Adelaide to Sydney?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 Adelaide to Sydney 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 Adelaide to Sydney 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.
Sign up to I Know The Pilot for all the latest flight deals
Join 300,000+ Australians getting the best airfares delivered to their mailbox
