Cheap Flights to Australia | Popular Routes to Australia from HK$1,145

View HK$1,145 flight on Thu, 5 Mar 2026Opens in a new window

Popular airlines to Australia

  • Qantas Airways

  • Emirates

  • Cathay Pacific

  • Qatar Airways

  • Singapore Airlines

  • Air Canada

  • Malaysia Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Australia

Prices were available within the past 7 days and start at HK$1,145 for one-way flights and HK$2,296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia
Mon, 9 Mar - Sun, 15 Mar
HKG
Hong Kong SAR
PER
Perth
HK$2,296 Return, found 2 days ago
HK$2,296
Return
found 2 days ago
Select AirAsia flight, departing Mon, 9 Mar from Hong Kong SAR to Perth, returning Sun, 15 Mar, priced at HK$2,296 found 2 days ago
Scoot
Wed, 4 Mar - Mon, 9 Mar
HKG
Hong Kong SAR
PER
Perth
HK$3,014 Return, just found
HK$3,014
Return
just found
Select Scoot flight, departing Wed, 4 Mar from Hong Kong SAR to Perth, returning Mon, 9 Mar, priced at HK$3,014 just found
AirAsia
Fri, 16 Oct - Sun, 25 Oct
HKG
Hong Kong SAR
SYD
Sydney
HK$3,077 Return, found 1 day ago
HK$3,077
Return
found 1 day ago
Select AirAsia flight, departing Fri, 16 Oct from Hong Kong SAR to Sydney, returning Sun, 25 Oct, priced at HK$3,077 found 1 day ago
Sichuan Airlines
Wed, 8 Apr - Thu, 16 Apr
HKG
Hong Kong SAR
MEL
Melbourne
HK$3,298 Return, just found
HK$3,298
Return
just found
Select Sichuan Airlines flight, departing Wed, 8 Apr from Hong Kong SAR to Melbourne, returning Thu, 16 Apr, priced at HK$3,298 just found
Batik air
Thu, 7 May - Wed, 13 May
HKG
Hong Kong SAR
PER
Perth
HK$3,319 Return, found 6 hours ago
HK$3,319
Return
found 6 hours ago
Select Batik air flight, departing Thu, 7 May from Hong Kong SAR to Perth, returning Wed, 13 May, priced at HK$3,319 found 6 hours ago
Hong Kong Airlines
Mon, 6 Apr - Sat, 18 Apr
HKG
Hong Kong SAR
MEL
Melbourne
HK$3,374 Return, found 4 hours ago
HK$3,374
Return
found 4 hours ago
Select Hong Kong Airlines flight, departing Mon, 6 Apr from Hong Kong SAR to Melbourne, returning Sat, 18 Apr, priced at HK$3,374 found 4 hours ago
Hainan Airlines
Mon, 6 Apr - Sun, 12 Apr
HKG
Hong Kong SAR
MEL
Melbourne
HK$3,796 Return, found 5 hours ago
HK$3,796
Return
found 5 hours ago
Select Hainan Airlines flight, departing Mon, 6 Apr from Hong Kong SAR to Melbourne, returning Sun, 12 Apr, priced at HK$3,796 found 5 hours ago
Vietnam Airlines
Fri, 7 Aug - Sun, 16 Aug
HKG
Hong Kong SAR
PER
Perth
HK$3,875 Return, found 13 hours ago
HK$3,875
Return
found 13 hours ago
Select Vietnam Airlines flight, departing Fri, 7 Aug from Hong Kong SAR to Perth, returning Sun, 16 Aug, priced at HK$3,875 found 13 hours ago
Royal Brunei Airlines
Fri, 31 Jul - Tue, 4 Aug
HKG
Hong Kong SAR
MEL
Melbourne
HK$4,026 Return, just found
HK$4,026
Return
just found
Select Royal Brunei Airlines flight, departing Fri, 31 Jul from Hong Kong SAR to Melbourne, returning Tue, 4 Aug, priced at HK$4,026 just found
Vietjet Air
Fri, 4 Sept - Wed, 9 Sept
HKG
Hong Kong SAR
MEL
Melbourne
HK$4,338 Return, just found
HK$4,338
Return
just found
Select Vietjet Air flight, departing Fri, 4 Sept from Hong Kong SAR to Melbourne, returning Wed, 9 Sept, priced at HK$4,338 just found

Trending flights to 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.

AirAsia
Mon, 9 Mar - Sun, 15 Mar
HKG
Hong Kong SAR
PER
Perth
HK$2,296 Return, found 2 days ago
HK$2,296
Return
found 2 days ago
Select AirAsia flight, departing Mon, 9 Mar from Hong Kong SAR to Perth, returning Sun, 15 Mar, priced at HK$2,296 found 2 days ago

Frequently asked questions

How do I find cheap flights to Australia that have flexible change policies?
We get that travel plans can change in a flash, so booking a flexible ticket with Expedia is a wise idea. Simply check the "No change fee" box under the "Flexible change policies" filter. Your low-cost, flexible flight to Australia is only a few clicks away.
Which airlines fly to Australia?
With a great selection of airlines operating flights into or near Australia, the choice is all yours:

  • Qantas - 173 flights to or near Australia each month, including 99 flights to Kingsford Smith Intl. Airport (SYD) per month.
  • United Airlines - 117 flights to or near Australia each month, including 60 flights to Kingsford Smith Intl. Airport (SYD) per month.
  • American Airlines - 30 flights to or near Australia each month, including 30 flights to Kingsford Smith Intl. Airport (SYD) per month.

How can I find cheap tickets to Australia?
Book well ahead of time, consider nearby airports, use miles or points — there are lots of ways! Another one is to make use of Expedia's "flexible dates" function. Search for an Australia flight, then check out the prices for nearby dates. In the last seven days, the lowest price for a flight to Australia was HK$2,296.
How much is a flight to Australia?
If you were traveling one way from Hong Kong SAR (HKG), you could've picked up a low-cost fare for HK$1,145 in the last seven days. Round-trip flights to Australia ranged from HK$2,296 to HK$4,338 during this same period.
What are the most popular airports to fly into in Australia?
Which airport you land at in Australia will depend on where you jet off from and where you're headed. Here is a list of the most popular airports in this region:

  • Kingsford Smith Intl. Airport (SYD) - 256 flights per month.
  • Tullamarine Airport (MEL) - 95 flights per month.
  • Brisbane Airport (BNE) - 43 flights per month.

When is the cheapest time to fly to Australia?
Try to jet off early in the week to nab the best airfare to Australia. Tuesday is usually the most affordable day to take off, followed by Monday. Saturday often has the most expensive prices. This is because lots of people like to start their getaway on a weekend.
How much is a plane ticket to Australia?
In the last seven days, plane tickets varied between HK$2,296 and HK$4,338. Swipe through our awesome deals to Australia, make a booking and then start packing your bags.
What is the best time to go to Australia?
If you adore sunshine and summer weather, head for Sydney after December 1. At this time of year, temperatures usually range between 18ºC and 27ºC in this major Australia city. August, September and October are the busiest months to travel and when loads of activities and events are happening.
What months are the cheapest to book a flight to Australia?
February is a good month to secure a terrific deal to Australia. Be aware that the most expensive time to book a seat in the U.S. Isn't during the peak of summer, but the month of December.

Book with confidence

About Australia

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

Explore a world of travel with Expedia

*Available to Expedia members.