Cheap flights from Hong Kong to Sydney

40 nonstop flights a week, 1 of them today. Operated by 3 airlines, about 9h 10m in the air, 4,583 mi (7,375 km). Tickets from $250, nonstop from $375.

Flights from Hong Kong to Sydney

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Hong Kong to Sydney

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Hong Kong to Sydney

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Hong Kong to Sydney at a glance

flight time, from 9h to 9h 40m
9h 10m
straight-line distance
4,583 mi (7,375 km)
flights a week
40
flight today
1
first and last departure
00:55 - 23:00
lowest price, with a connection, 1 December
$250
lowest nonstop price
$375
airlines
3

Hong Kong to Sydney ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $250. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is January 2027: from $453. The average across months is $311.

Hong Kong to Sydney flight schedule

40 flights a week, 1 today, 6 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
CX 181
Cathay Pacific
00:55 Hong Kong International, terminal 1
13:00 Sydney (Kingsford Smith), terminal 1
9h 5m
Daily
Boeing 777-300ER
CX 139
Cathay Pacific
08:45 Hong Kong International, terminal 1
20:50 Sydney (Kingsford Smith), terminal 1
9h 5m
Daily
Airbus A350-900
CX 111
Cathay Pacific
19:00 Hong Kong International, terminal 1
07:15 Sydney (Kingsford Smith), terminal 1
9h 15m
Daily
Airbus A350-900
QF 128
Qantas
19:25 Hong Kong International, terminal 1
07:55 Sydney (Kingsford Smith), terminal 1
9h 30m
Daily
Airbus A330-300
CX 161
Cathay Pacific
21:25 Hong Kong International, terminal 1
09:35 Sydney (Kingsford Smith), terminal 1
9h 10m
Daily
Airbus A350-900
HX 17
Hong Kong Airlines
22:25 Hong Kong International, terminal 2
11:05 Sydney (Kingsford Smith), terminal 1
9h 40m
Mon, Wed, Fri, Sun
Airbus A330-300
QF 88
Qantas
23:00 Hong Kong International, terminal 1
11:15 Sydney (Kingsford Smith), terminal 1
9h 15m
Wed
Boeing 787-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 28 March.

FlightDepartsArrivesDurationDaysAircraft
CX 111
Cathay Pacific
19:05 Hong Kong International, terminal 1
07:10 Sydney (Kingsford Smith), terminal 1
9h 5m
Seasonal
Airbus A350-900
QF 128
Qantas
19:30 Hong Kong International, terminal 1
07:45 Sydney (Kingsford Smith), terminal 1
9h 15m
Seasonal
Airbus A330-300
CX 161
Cathay Pacific
21:35 Hong Kong International, terminal 1
09:40 Sydney (Kingsford Smith), terminal 1
9h 5m
Seasonal
Airbus A350-900
HX 17
Hong Kong Airlines
22:05 Hong Kong International, terminal 2
10:35 Sydney (Kingsford Smith), terminal 1
9h 30m
Seasonal
Airbus A330-300
CX 181
Cathay Pacific
00:45 Hong Kong International, terminal 1
12:45 Sydney (Kingsford Smith), terminal 1
9h
Seasonal
Airbus A350-900
CX 139
Cathay Pacific
09:10 Hong Kong International, terminal 1
20:10 Sydney (Kingsford Smith), terminal 1
9h
Seasonal
Airbus A350-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Sydney is 3 hours ahead of Hong Kong. The search shows seat availability and the price for your date.

Airlines flying Hong Kong to Sydney

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Airports

Where flights from Hong Kong to Sydney depart and land

Departure from Hong Kong

40 flights a week, terminals 1, 2, 15 mi (24 km) from the city centre

Arrival in Sydney

40 flights a week, terminal 1, 5 mi (8 km) from the city centre

When to visit Sydney

Weather by month

Best time to visit: June, July and September, +17° to +21° by day, sea +18° to +20°. In November it is +24° by day and +15° at night, sea +20°, with 13 rainy days.

Jan
+26° +19° +22° 16 days
Feb
+26° +19° +23° 16 days
Mar
+25° +18° +23° 16 days
Apr
+22° +14° +22° 12 days
May
+19° +11° +21° 12 days
Jun
+17° +8° +20° 7 days
Jul
+17° +8° +18° 9 days
Aug
+19° +9° +18° 9 days
Sep
+21° +11° +19° 7 days
Oct
+23° +13° +19° 12 days
Nov
+24° +15° +20° 13 days
Dec
+26° +17° +21° 10 days

Daytime and night temperatures in °C, sea temperature (in blue), rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Hong Kong to Sydney?
A nonstop flight takes 9 hours 10 minutes on average, from 9h to 9h 40m depending on the flight.
How far is Sydney from Hong Kong?
4,583 mi (7,375 km) in a straight line between the cities.
Which airlines fly nonstop from Hong Kong to Sydney?
Cathay Pacific (28 a week), Qantas (8 a week) and Hong Kong Airlines (4 a week).
How many flights a day are there from Hong Kong to Sydney?
1 flight today and 40 a week, about 5.7 a day on average.
When are the first and last flights from Hong Kong to Sydney?
The first departure is at 00:55 (CX181), the last at 23:00 (QF88). Local time.
What is the cheapest month to fly from Hong Kong to Sydney?
December 2026: tickets from $250. The most expensive is January 2027, from $453.
What is the cheapest upcoming date to fly from Hong Kong to Sydney?
1 December 2026 (Tuesday): from $250 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Hong Kong to Sydney?
Hong Kong Airlines: nonstop tickets from $375 on 17 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Hong Kong and Sydney?
Sydney is 3 hours ahead of Hong Kong. Schedule times on this page are local to each airport.
Which Hong Kong airport do flights to Sydney leave from?
Hong Kong International (40 a week).