HKG - SYD

C$ 521 Find Cheap Flights from Hong Kong to Sydney – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 957
Typical prices: C$ 906-C$ 1,358
Qantas Airways
Tue 10/4Mon 16/4
HKG - SYD • Direct
Cheapest one-way flights
C$ 521
Typical prices: C$ 559-C$ 946
Hong Kong Airlines
Fri 30/11
HKG - SYD • Direct
Direct flights
You can fly direct with Cathay Pacific, Qantas Airways, and Hong Kong Airlines. Average duration is 9h 18m
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 26% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 620 (round-trip)
Shortest trip • 14h 27m (one-way)
Insights
Insights
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We hope you enjoy your trip to Sydney!
Flight Deals
Booking Insights
Expert advice
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 round-trip flight deals from Hong Kong to Sydney

Sat, 10 Apr - Fri, 16 Apr
Qantas Airways Logo
7:30 p.m. - 6:45 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Qantas Airways Logo
10:10 a.m. - 5:55 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 45mdirect
C$ 957Qantas Airways
14 hours ago
Wed, 3 Mar - Sun, 7 Mar
Qantas Airways Logo
7:25 p.m. - 7:55 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 30mdirect
Qantas Airways Logo
11:15 a.m. - 5:50 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 35mdirect
C$ 957Qantas Airways
10 hours ago
Fri, 9 Apr - Fri, 16 Apr
Qantas Airways Logo
7:30 p.m. - 6:45 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Qantas Airways Logo
10:10 a.m. - 5:55 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 45mdirect
C$ 957Qantas Airways
14 hours ago
Sun, 11 Apr - Fri, 16 Apr
Qantas Airways Logo
7:30 p.m. - 6:45 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Qantas Airways Logo
10:10 a.m. - 5:55 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 45mdirect
C$ 957Qantas Airways
14 hours ago
Wed, 3 Mar - Sun, 7 Mar
Cathay Pacific Logo
9:25 p.m. - 9:35 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 10mdirect
Cathay Pacific Logo
11:05 a.m. - 5:25 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 20mdirect
C$ 959Cathay Pacific
10 hours ago
Wed, 30 Dec - Sun, 17 Jan
Cathay Pacific Logo
7:00 p.m. - 7:15 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Cathay Pacific Logo
8:45 a.m. - 3:00 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 15mdirect
C$ 959Cathay Pacific
2 days ago
Wed, 30 Dec - Tue, 19 Jan
Cathay Pacific Logo
7:00 p.m. - 7:15 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Cathay Pacific Logo
8:45 a.m. - 3:00 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 15mdirect
C$ 959Cathay Pacific
2 days ago
Wed, 30 Dec - Mon, 18 Jan
Cathay Pacific Logo
7:00 p.m. - 7:15 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Cathay Pacific Logo
8:45 a.m. - 3:00 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 15mdirect
C$ 959Cathay Pacific
2 days ago
Sun, 27 Dec - Wed, 27 Jan
Cathay Pacific Logo
9:25 p.m. - 9:35 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 10mdirect
Cathay Pacific Logo
8:45 a.m. - 3:00 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 15mdirect
C$ 959Cathay Pacific
2 days ago
Wed, 30 Dec - Wed, 20 Jan
Cathay Pacific Logo
7:00 p.m. - 7:15 a.m.HKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mdirect
Cathay Pacific Logo
11:05 a.m. - 5:25 p.m.SYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 20mdirect
C$ 959Cathay Pacific
2 days ago
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.

How much is a round-trip flight from Hong Kong to Sydney?

Round-trip flights from Hong Kong to Sydney typically range from C$ 906 to C$ 1,358. The lowest price found in the past 5 days was C$ 957, on Qantas Airways.

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 7% cheaper than the average day, while Friday is the most expensive, with prices 6% 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 C$ 882 round-trip.
•January (C$ 1,415) and July (C$ 1,346) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% 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 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Hong Kong to Sydney

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Robert Schrader

Robert Schrader

Expert on HKG and SYD

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Key details for Hong Kong to Sydney flights

Low season

October

Cheapest flight

C$ 521
Beat the crowds with an average 30% drop in traveller numbers.
The most popular month to fly with an average 12% increase in traveller numbers.
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 round-trip 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 12:55 am and lands at 10:13 am
    • Latest: departs at 11:00 pm and lands at 8:18 am.

    The flight takes about 9h 18m.

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

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

    • Economy Class
    • Business Class

  • How long does a flight from Hong Kong to Sydney take?

    A direct flight from Hong Kong to Sydney takes 9h 18m, 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?

    Round-trip flights from Hong Kong to Sydney range from C$ 906 to C$ 1,358, with an average of C$ 1,097 over the past 12 months. Anything below C$ 906 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 14% above the C$ 1,097 route average. Book 24 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 620 round-trip via Chengdu Tianfu Intl (TFU), compared to C$ 1,123 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%.

  • Have flight prices from Hong Kong to Sydney changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 957 to C$ 9,054. That means the highest observed fare was about 9x higher than the lowest one.

  • 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 C$ 589, which is 22% below the typical average for this route.

  • What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates averaging C$ 57 for economy cars. Top options include:

    • East Coast Car Rentals
    • YESDRIVE CAR RENTAL
    • Bargain Car Rentals
    • 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 on the route 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) – 36% of one-stop connections
    • Manila Ninoy Aquino Intl (MNL) – 22% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 13% of one-stop connections
    • Haikou Meilan Intl (HAK) – 11% 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 12% on flights from Hong Kong to Sydney. Tuesday is the cheapest departure day at C$ 1,028 round-trip on average, while Friday is the most expensive at C$ 1,165, a difference of C$ 137.

    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 layover airport when travelling from Hong Kong to Sydney?

    Flying via Melbourne (MEL) gives the shortest average 1-stop total travel time at 14h 27m, compared with 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.

  • Which popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Cricket Ground, Sydney Opera House, and Chinatown Night Market. 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 carry-on bag and a checked bag in Economy Class
    • Hong Kong Airlines: a carry-on bag and a checked bag in Economy Class
    • Qantas Airways: a carry-on 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 C$ 1,028, about C$ 137 less than Friday fares (12% 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 26% 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 C$ 882 round-trip in that month – typically C$ 533 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 layover option averages C$ 620 round-trip on this route – about C$ 503 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
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel
  • 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 to Sydney?

 
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,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Wednesday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Thursday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Friday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Saturday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Sunday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

See more nonstop 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,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Thursday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Friday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Saturday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Sunday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

See more nonstop flights

More options for your flight from Hong Kong to Sydney

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