HKG - SYD

$323 Find Cheap Flights from Hong Kong to Sydney - Compare and Save

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Everything you should know

Cheapest round-trip
$669
Typical prices: $622-$944
Hainan Airlines, Cebu Pacific
Tue 11/6Fri 11/16
HKG - SYD • 1 stop
Cheapest non-stop
$670
Typical prices: $633-$957
Cathay Pacific
Mon 11/19Tue 11/20
HKG - SYD • Non-stop
Nonstop 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 travelers 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 layover airports
Cheapest • Avg $439 (round-trip)
Shortest trip • 14h 27m (one-way)
Insights
Insights
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We hope you love your trip to Sydney!

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

 

Cheap flights from Hong Kong to Sydney with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Fri, Nov 6 - Mon, Nov 16
Multiple Airlines Logo
4:10 pm - 3:30 pmHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
20h 20m1 stop Haikou Meilan Intl
Multiple Airlines Logo
12:15 pm - 8:10 amSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
22h 55m1 stop Manila Ninoy Aquino Intl
$669Multiple Airlines
Tue, Dec 1 - Mon, Dec 7
Juneyao Airlines Logo
8:35 pm - 6:50 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
31h 15m1 stop Shanghai Pu Dong
Juneyao Airlines Logo
8:50 am - 10:55 amSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
29h 05m1 stop Shanghai Pu Dong
$669Juneyao Airlines
Fri, Nov 27 - Sat, Feb 27
Juneyao Airlines Logo
11:55 am - 6:50 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
15h 55m1 stop Shanghai Pu Dong
Juneyao Airlines Logo
8:50 am - 10:55 amSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
29h 05m1 stop Shanghai Pu Dong
$669Juneyao Airlines
Thu, Nov 19 - Fri, Nov 20
Cathay Pacific Logo
7:00 pm - 7:15 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 15mnonstop
Cathay Pacific Logo
3:15 pm - 9:30 pmSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 15mnonstop
$670Cathay Pacific
Thu, Oct 29 - Mon, Nov 2
Qantas Airways Logo
7:25 pm - 7:55 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 30mnonstop
Qantas Airways Logo
11:15 am - 5:50 pmSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 35mnonstop
$673Qantas Airways
Thu, Nov 5 - Mon, Nov 9
Qantas Airways Logo
7:25 pm - 7:55 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 30mnonstop
Qantas Airways Logo
11:15 am - 5:50 pmSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 35mnonstop
$673Qantas Airways
Wed, Nov 11 - Mon, Nov 16
Cathay Pacific Logo
9:25 pm - 9:35 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 10mnonstop
Cathay Pacific Logo
11:05 am - 5:25 pmSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 20mnonstop
$675Cathay Pacific
Mon, Nov 9 - Tue, Nov 17
Cathay Pacific Logo
9:25 pm - 9:35 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 10mnonstop
Cathay Pacific Logo
11:05 am - 5:25 pmSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
9h 20mnonstop
$675Cathay Pacific
Wed, Nov 18 - Sun, Dec 6
Hong Kong Airlines Logo
10:25 pm - 11:05 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 40mnonstop
Hong Kong Airlines Logo
12:35 pm - 7:35 pmSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
10h 00mnonstop
$709Hong Kong Airlines
Sun, Nov 29 - Sun, Dec 6
Hong Kong Airlines Logo
10:25 pm - 11:05 amHKG  Hong Kong Intl-SYD Sydney Kingsford Smith
9h 40mnonstop
Hong Kong Airlines Logo
12:35 pm - 7:35 pmSYD  Sydney Kingsford Smith-HKG Hong Kong Intl
10h 00mnonstop
$740Hong Kong Airlines

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’s the cheapest month to fly from Hong Kong to Sydney?

•March is the cheapest month to fly from Hong Kong to Sydney at $614 round-trip.
•January ($960) and July ($945) 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.

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
Bill Fink

Bill Fink

Expert on Qantas Airways

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Chris Dong

Chris Dong

Expert on Cathay Pacific

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

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

$323
Beat the crowds with an average 21% drop in travelers.
The most popular month to fly with an average 14% increase in travelers.
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 12:45 am and lands at 10:02 am
    • Latest: departs at 11:00 pm and lands at 8:17 am.

    The flight takes about 9h 17m.

  • What 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 nonstop flight from Hong Kong to Sydney takes 9h 17m, covering 4,590 miles.

  • 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 $622 to $944, with an average of $762 over the past 12 months. Anything below $622 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 $762 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 nonstop options on average. Layover fares average $439 round-trip via Chengdu Tianfu Intl (TFU), compared to $777 for nonstop.

  • 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

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

  • 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% of flights 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 $449, which is 13% 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 starting from around $10 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 3 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 $705 round-trip on average, while Friday is the most expensive at $818, a difference of $113.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Hong Kong to Sydney?

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

    • Cathay Pacific
    • Qantas Airways
    • Hong Kong Airlines

  • How much time can I save by choosing a different layover airport 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.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Museum of Contemporary Art 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 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

    Bag 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 $705, about $113 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 $614 round-trip in that month - typically $346 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 $439 round-trip on this route - about $338 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 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,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 rental