HKG - SYD

$457 Find Cheap Flights from Hong Kong to Sydney – Compare and Save

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Everything you should know

Cheapest return flight
$955
Typical prices: $886-$1,343
Hainan Airlines, Scoot
Thu 22/3Sat 31/3
HKG - SYD • 1 stop
Cheapest direct flights
$957
Typical prices: $901-$1,362
Cathay Pacific
Tue 17/4Wed 25/4
HKG - SYD • Direct
Direct flights
You can fly direct with Cathay Pacific, Qantas Airways, and Hong Kong Airlines. Average duration is 9h 17m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 83% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 24 weeks in advance save around 25% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg $625 (return)
Shortest trip • 14h 27m (one-way)
Insights
Insights
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We hope you enjoy your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Hong Kong to Sydney (HKG-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Hong Kong to Sydney

Mon, 22 Mar - Wed, 31 Mar
Multiple Airlines Logo
16:10 - 15:30HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
20h 20m1 stop Haikou Meilan Intl
Multiple Airlines Logo
21:35 - 19:45SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
25h 10m1 stop Singapore Changi
$955Multiple Airlines
Sat, 17 Apr - Sun, 25 Apr
Cathay Pacific Logo
19:05 - 06:10HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 05mdirect
Cathay Pacific Logo
10:10 - 17:45SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 35mdirect
$957Cathay Pacific
Thu, 5 Nov - Sat, 14 Nov
Multiple Airlines Logo
14:00 - 10:45HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
17h 45m1 stop Manila Ninoy Aquino Intl
Multiple Airlines Logo
20:05 - 20:35SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
27h 30m1 stop Singapore Changi
$957Multiple Airlines
Thu, 25 Mar - Sun, 4 Apr
Multiple Airlines Logo
09:25 - 10:45HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
22h 20m1 stop Manila Ninoy Aquino Intl
Multiple Airlines Logo
10:15 - 18:50SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
34h 35m1 stop Ho Chi Minh City
$957Multiple Airlines
Sat, 3 Apr - Sun, 18 Apr
Cathay Pacific Logo
19:05 - 07:10HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 05mdirect
Cathay Pacific Logo
07:40 - 15:10SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 30mdirect
$958Cathay Pacific
Sat, 20 Mar - Sat, 27 Mar
Cathay Pacific Logo
19:00 - 07:15HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Cathay Pacific Logo
08:45 - 15:00SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 15mdirect
$958Cathay Pacific
Thu, 5 Nov - Mon, 9 Nov
Qantas Airways Logo
19:25 - 07:55HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 30mdirect
Qantas Airways Logo
11:15 - 17:50SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 35mdirect
$959Qantas Airways
Sat, 7 Nov - Tue, 10 Nov
Qantas Airways Logo
19:25 - 07:55HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 30mdirect
Qantas Airways Logo
11:15 - 17:50SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 35mdirect
$961Qantas Airways
Sun, 22 Nov - Thu, 26 Nov
Hong Kong Airlines Logo
22:25 - 11:05HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 40mdirect
Hong Kong Airlines Logo
12:35 - 19:35SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
10h 00mdirect
$968Hong Kong Airlines
Wed, 25 Nov - Sat, 5 Dec
Hong Kong Airlines Logo
22:25 - 11:05HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 40mdirect
Hong Kong Airlines Logo
12:35 - 19:35SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
10h 00mdirect
$1,012Hong Kong Airlines
Booking Insights

Price, demand, and travel trends for Hong Kong to Sydney flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Hong Kong to Sydney?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Hong Kong to Sydney. It's 8% cheaper than the average day, while Friday is the most expensive, with prices 7% higher.

What is the cheapest month to fly from Hong Kong to Sydney?

•March is the cheapest month to fly from Hong Kong to Sydney at $874 return.
•January ($1,367) and July ($1,345) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 56% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Hong Kong to Sydney the cheapest?

Flights from Hong Kong to Sydney are cheapest 24 weeks before departure. Booking in this window typically costs about 25% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Hong Kong to Sydney flights

Low season

October

Cheapest flight

$457
Beat the crowds with an average 21% drop in travellers.
The most popular month to fly with an average 14% increase in travellers.
One-way flight from Hong Kong to Sydney

When to book flights from Hong Kong to Sydney

Are your dates flexible? Find out the best times to travel from Hong Kong to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Hong Kong to Sydney flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Hong Kong to Sydney?

    These are the earliest and latest flight times available from Hong Kong to Sydney:

    • Earliest: departs at 00:55 and lands at 10:12
    • Latest: departs at 23:00 and lands at 08:17.

    The flight takes about 9h 17m.

  • Which cabin classes can I book on flights from Hong Kong to Sydney?

    Three cabin classes are available on flights from Hong Kong to Sydney:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Hong Kong to Sydney?

    A direct flight from Hong Kong to Sydney takes 9h 17m, covering 11,889 km.

  • Do I need a passport to fly from Hong Kong to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Hong Kong to Sydney flight?

    Return flights from Hong Kong to Sydney range from $886 to $1,343, with an average of $1,085 over the past 12 months. Anything below $886 counts as a good deal.

  • How expensive are last-minute Hong Kong to Sydney flights?

    Last-minute fares on this route (booked within two weeks of departure) run 13% above the $1,085 route average. Book 24 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Hong Kong to Sydney?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average $625 return via Chengdu Tianfu Intl (TFU), compared with $1,106 for direct.

  • How does on-time performance compare across airlines flying from Hong Kong to Sydney?

    Hong Kong Airlines is slightly above the route average for timely arrivals, while Cathay Pacific has a lower on-time arrival rate. On-time arrival rates on Hong Kong to Sydney flights are:

    • Hong Kong Airlines: 83% on time
    • Cathay Pacific: 81% on time
    • Qantas Airways: 61% on time

    On average, flights on this route are punctual 76% of the time.

  • Which aircraft model is used most often on flights from Hong Kong to Sydney?

    The Airbus A330-300 family is used most often on this route, operated mainly by Qantas Airways and Hong Kong Airlines. Other aircraft seen on the route include Airbus A350-900 variants.

  • How are flight departures from Hong Kong to Sydney spread across the day?

    Night is the busiest departure period on Hong Kong to Sydney flights, with 50% leaving in that window. Evening departures account for 33%, Morning flights for 17%, and Afternoon flights for 0%.

  • How are flight prices from Hong Kong to Sydney looking right now?

    One-way fares from Hong Kong to Sydney are currently lower than usual. Average one-way flight prices are about $612, which is 17% below the typical average for this route.

  • Which car hire options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around $15 for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

  • Which airports can I use when flying from Hong Kong to Sydney?

    Flights from Hong Kong to Sydney usually depart from Hong Kong Intl (HKG) and arrive at Sydney Kingsford Smith (SYD).

  • What time of day has the fewest delays on flights from Hong Kong to Sydney?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Hong Kong to Sydney?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Hong Kong to Sydney route, 24% of flights were delayed in the past three months, with delays averaging 2h 27m.

  • Which airports do connecting flights from Hong Kong to Sydney pass through?

    One-stop flights from Hong Kong to Sydney most commonly connect through:

    • Singapore Changi (SIN) – 34% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 20% of one-stop connections
    • Manila Ninoy Aquino Intl (MNL) – 20% of one-stop connections
    • Haikou Meilan Intl (HAK) – 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Hong Kong to Sydney?

    Yes. Flexible dates can save you up to 14% on flights from Hong Kong to Sydney. Tuesday is the cheapest departure day at $1,004 return on average, while Friday is the most expensive at $1,164, a difference of $161.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Hong Kong to Sydney?

    3 airlines operate flights between Hong Kong and Sydney. The airlines offering direct flights on this route include:

    • Cathay Pacific
    • Qantas Airways
    • Hong Kong Airlines

  • How much time can I save by choosing a different stopover airport from Hong Kong to Sydney?

    Flying via Melbourne (MEL) gives the shortest average 1-stop total travel time of 14h 27m, compared to 14h 27m via Bangkok Suvarnabhumi (BKK) and 14h 32m via Taipei City Taiwan Taoyuan Intl (TPE).

  • What is the time difference between Hong Kong and Sydney?

    Sydney is 3 hours ahead of Hong Kong (Eastern Australia Time vs Hong Kong Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Star Casino, and Capitol Theatre. These are among the most viewed places in Sydney on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Hong Kong to Sydney flights?

    Among airlines operating Hong Kong to Sydney flights:

    • Cathay Pacific: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Hong Kong to Sydney flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Cathay Pacific: a cabin bag and a checked bag in Economy class
    • Hong Kong Airlines: a cabin bag and a checked bag in Economy class
    • Qantas Airways: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • Are there direct flights between Hong Kong and Sydney Airports?

    Yes, Cathay Pacific operates frequent direct flights between Hong Kong and Sydney. China Airlines and Philippines Airlines both offer indirect routes transiting between locations such as Manila Ninoy Aquino International Airport (MNL) and Taipei International Airport (TPE). Singapore Airlines also offers an indirect route through Singapore Changi Airport (SIN). Transfer times can vary.

  • Is it easy to connect with central Sydney from the airport by public transport?

    Yes, Sydney is the busiest airport in Australia and consequently there are a range of public transport options between it and the city. The Airport Link train runs every 10min and the journey to Sydney usually takes 13min. A one-way fare is around A$ 15 but you will also have to pay an airport access fee of around A$ 9 on top of the train fare. Sydney Buses operate a regular service on Route 400 and 420; a single fare is also around A$ 15. Travelling by bus, you don’t have to pay the airport access fee. The trip by taxi will cost around A$ 55 and take roughly 20min.

  • Are there hotels at Sydney Airport?

    Yes, there are a number of hotels on the Sydney Airport campus, including ibis budget Sydney Airport, Mantra Sydney and Rydges Hotel. They are each within walking distance of the arrivals area.

Your guide to booking Hong Kong to Sydney flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $1,004, about $161 less than Friday fares (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 25% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Hong Kong to Sydney trip for March. Fares historically average $874 return in that month – typically $493 less than the most expensive month, which is January (based on the last 12 months).
  • For the best chance of arriving on time, fly with Hong Kong Airlines. Over the past three months, 83% of Hong Kong Airlines flights from Hong Kong to Sydney arrived on time, slightly above the route average of 76%. When flights on this route arrive late, they're delayed by an average of 2h 27m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Chengdu Tianfu Intl Airport (TFU) can be cheaper than flying direct. The cheapest stopover option averages $625 return on this route – about $481 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • ibis budget Sydney Airport
    • Rydges Sydney Airport Hotel
    • Travelodge Hotel Sydney Airport
  • Families with young children, people with additional needs, pregnant women and older people departing for Sydney can make use of the Caring Corner at Hong Kong Airport (HKG). This is a specially designated quiet area with televisions, seating and airport telephone helplines.
  • There are currency exchange desks and a range of international ATMs at the arrivals hall in Sydney Kingsford Smith Airport (SYD).
  • There are a number of lounges at Hong Kong Airport available to departing passengers, including Cathay Pacific Lounge, the Emirates Lounge and the United Club.

Prefer to fly direct from Hong Kong Intl to Sydney Kingsford Smith?

 
Find which airlines fly direct from Hong Kong Intl Airport to Sydney Kingsford Smith Airport, which days they fly and book direct flights.

Direct departures

Hong Kong Intl to Sydney Kingsford Smith

Monday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Tuesday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

Wednesday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Thursday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

Friday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Saturday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

Sunday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

See more direct flights

Direct returns

Sydney Kingsford Smith to Hong Kong Intl

Monday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Tuesday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Wednesday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

Thursday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Friday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

Saturday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Sunday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

See more direct flights

More options for your flight from Hong Kong to Sydney

Complete your trip to Sydney with a hotel stay or car hire