Cheap Flights to South Australia | Popular Routes to South Australia from HK$419

View HK$419 flight on Wed, 21 Jan 2026Opens in a new window

Popular airlines to South Australia

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Emirates

    Emirates

  • Singapore Airlines

    Singapore Airlines

  • Jetstar

    Jetstar

  • Qatar Airways

    Qatar Airways

  • Cathay Pacific

    Cathay Pacific

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to South Australia

Prices were available within the past 7 days and start at HK$419 for one-way flights and HK$938 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Tue, 17 Mar - Sun, 22 Mar
MEL
Melbourne
ADL
Adelaide
HK$938 Return, found 4 days ago
HK$938
Return
found 4 days ago
Select Jetstar flight, departing Tue, 17 Mar from Melbourne to Adelaide, returning Sun, 22 Mar, priced at HK$938 found 4 days ago
Jetstar
Tue, 17 Mar - Sun, 22 Mar
MEL
Melbourne
ADL
Adelaide
HK$988 Return, found 4 days ago
HK$988
Return
found 4 days ago
Select Jetstar flight, departing Tue, 17 Mar from Melbourne to Adelaide, returning Sun, 22 Mar, priced at HK$988 found 4 days ago
Jetstar
Tue, 17 Mar - Sun, 22 Mar
MEL
Melbourne
ADL
Adelaide
HK$1,028 Return, found 4 days ago
HK$1,028
Return
found 4 days ago
Select Jetstar flight, departing Tue, 17 Mar from Melbourne to Adelaide, returning Sun, 22 Mar, priced at HK$1,028 found 4 days ago
Jetstar
Tue, 17 Mar - Sun, 22 Mar
MEL
Melbourne
ADL
Adelaide
HK$1,079 Return, found 4 days ago
HK$1,079
Return
found 4 days ago
Select Jetstar flight, departing Tue, 17 Mar from Melbourne to Adelaide, returning Sun, 22 Mar, priced at HK$1,079 found 4 days ago
Jetstar
Tue, 17 Mar - Sun, 22 Mar
MEL
Melbourne
ADL
Adelaide
HK$1,144 Return, found 4 days ago
HK$1,144
Return
found 4 days ago
Select Jetstar flight, departing Tue, 17 Mar from Melbourne to Adelaide, returning Sun, 22 Mar, priced at HK$1,144 found 4 days ago
Jetstar
Tue, 17 Mar - Sun, 22 Mar
MEL
Melbourne
ADL
Adelaide
HK$1,169 Return, found 4 days ago
HK$1,169
Return
found 4 days ago
Select Jetstar flight, departing Tue, 17 Mar from Melbourne to Adelaide, returning Sun, 22 Mar, priced at HK$1,169 found 4 days ago
Virgin Australia
Thu, 19 Feb - Mon, 23 Feb
MEL
Melbourne
ADL
Adelaide
HK$1,389 Return, found 1 day ago
HK$1,389
Return
found 1 day ago
Select Virgin Australia flight, departing Thu, 19 Feb from Melbourne to Adelaide, returning Mon, 23 Feb, priced at HK$1,389 found 1 day ago
Qantas Airways
Thu, 19 Feb - Mon, 23 Feb
MEL
Melbourne
ADL
Adelaide
HK$1,924 Return, found 1 day ago
HK$1,924
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 19 Feb from Melbourne to Adelaide, returning Mon, 23 Feb, priced at HK$1,924 found 1 day ago
Hong Kong Airlines
Mon, 16 Mar - Thu, 21 May
HKG
Hong Kong SAR
ADL
Adelaide
HK$4,655 Return, found 6 days ago
HK$4,655
Return
found 6 days ago
Select Hong Kong Airlines flight, departing Mon, 16 Mar from Hong Kong SAR to Adelaide, returning Thu, 21 May, priced at HK$4,655 found 6 days ago
Singapore Airlines
Sat, 16 May - Sat, 23 May
HKG
Hong Kong SAR
ADL
Adelaide
HK$5,273 Return, found 6 days ago
HK$5,273
Return
found 6 days ago
Select Singapore Airlines flight, departing Sat, 16 May from Hong Kong SAR to Adelaide, returning Sat, 23 May, priced at HK$5,273 found 6 days ago

About South Australia

Expedia offers flights to South Australia to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to South Australia or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to South Australia that have flexible change policies?
By using our neat "No change fee" filter, that's how. All you have to do is enter your travel details, click "Search," then select the box underneath the "Flexible change policies" heading (it's on the left). Expedia makes it a cinch to find cheap, flexible airfares to South Australia.
How can I find cheap tickets to South Australia?
A good strategy for scoring cheap fares is to be flexible with your dates. Start by searching for your flight to South Australia, then click on the "flexible dates" link to compare prices for nearby days. Another useful tip? Book in advance. For an idea of costs, HK$938 was the best price for a flight to South Australia in the last seven days.
How much is a flight to South Australia?
You could have picked up a round-trip airfare to South Australia from anywhere between HK$938 and HK$5,273 in the last seven days. For one-way trips departing from Melbourne (MEL), the lowest price during this time was just HK$419.
When is the cheapest time to fly to South Australia?
Take off for South Australia earlier in the week and you'll usually be rewarded with cheaper fares. Tuesday is known for being the cheapest day to jump on a plane, closely followed by Monday. If you're eager to avoid the costliest flights, keep clear of Saturdays.
How much is a plane ticket to South Australia?
Ticket prices to South Australia varied from HK$938 to HK$5,273 in the last seven days. Normally, the earlier you make a reservation, the better the price.
What is the best time to go to South Australia?
If you enjoy busy destinations, head to the top city of Adelaide during the popular months of March, September and October. Being in the Southern Hemisphere, the summer season begins in South Australia on December 1. If you're visiting during this time, pack some sunblock and a hat. Temperatures during an Adelaide summer range between 18ºC and 27ºC.
What months are the cheapest to book a flight to South Australia?
February is the cheapest month to secure a seat for your South Australia escape. Fares are at their most expensive throughout the festive month of December, so avoid this time if you can.

Trending flights to South Australia

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hong Kong Airlines
Mon, 16 Mar - Thu, 21 May
HKG
Hong Kong SAR
ADL
Adelaide
HK$4,655 Return, found 6 days ago
HK$4,655
Return
found 6 days ago
Select Hong Kong Airlines flight, departing Mon, 16 Mar from Hong Kong SAR to Adelaide, returning Thu, 21 May, priced at HK$4,655 found 6 days ago
*Available to Expedia members.