Cheap flights from Adelaide to Sydney

View AU$117 flight on Mon, 28 Jul. 2025Opens in a new window

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Cheap Flights from Adelaide (ADL) to Sydney (SYD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Fri, 8 Aug. - Mon, 11 Aug.
ADL
Adelaide
SYD
Sydney
AU$234 Return, just found
AU$234
Return
just found
Select Jetstar flight, departing Fri, 8 Aug. from Adelaide to Sydney, returning Mon, 11 Aug., priced at AU$234 just found
Jetstar
Fri, 8 Aug. - Mon, 11 Aug.
ADL
Adelaide
SYD
Sydney
AU$240 Return, just found
AU$240
Return
just found
Select Jetstar flight, departing Fri, 8 Aug. from Adelaide to Sydney, returning Mon, 11 Aug., priced at AU$240 just found
Jetstar
Fri, 8 Aug. - Mon, 11 Aug.
ADL
Adelaide
SYD
Sydney
AU$246 Return, just found
AU$246
Return
just found
Select Jetstar flight, departing Fri, 8 Aug. from Adelaide to Sydney, returning Mon, 11 Aug., priced at AU$246 just found
Jetstar
Fri, 8 Aug. - Mon, 11 Aug.
ADL
Adelaide
SYD
Sydney
AU$256 Return, just found
AU$256
Return
just found
Select Jetstar flight, departing Fri, 8 Aug. from Adelaide to Sydney, returning Mon, 11 Aug., priced at AU$256 just found
Virgin Australia
Tue, 19 Aug. - Thu, 21 Aug.
ADL
Adelaide
SYD
Sydney
AU$368 Return, just found
AU$368
Return
just found
Select Virgin Australia flight, departing Tue, 19 Aug. from Adelaide to Sydney, returning Thu, 21 Aug., priced at AU$368 just found
Qantas Airways
Fri, 8 Aug. - Mon, 11 Aug.
ADL
Adelaide
SYD
Sydney
AU$474 Return, just found
AU$474
Return
just found
Select Qantas Airways flight, departing Fri, 8 Aug. from Adelaide to Sydney, returning Mon, 11 Aug., priced at AU$474 just found

Find the cheapest month to fly from Adelaide (ADL) to Sydney (SYD)

August is typically the cheapest month to fly

From AU$206 - AU$278 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.