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Flights between Hong Kong (HKG) and Sydney (Mascot) (SYD)

Hong Kong International Airport, Hong Kong ↔ Sydney Kingsford Smith International Airport, Australia

A direct route between Hong Kong and Sydney (Mascot) appears in the OpenFlights route network.

Airlines currently operating this route:

Observed from recent schedules · as of 7 Aug 2026 — sampled, not a live timetable; confirm with the airline.

Cathay Pacific (CX)Hong Kong Airlines (HX)Qantas (QF)
Distance
7,394 km
4,594 miles
Est. flight time
9h 45m
great-circle estimate
Time difference
~3h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Hong Kong

Jan
18°
23/13
25mm
Feb
19°
24/14
50mm
Mar
22°
27/17
80mm
Apr
25°
30/20
175mm
May
29°
34/24
305mm
Jun
30°
35/25
455mm
Jul
31°
36/26
380mm
Aug
31°
36/26
365mm
Sep
30°
35/25
250mm
Oct
28°
33/23
110mm
Nov
24°
29/19
40mm
Dec
20°
25/15
25mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Australia

Jan
29°
34/24
80mm
Feb
29°
34/24
70mm
Mar
27°
32/22
60mm
Apr
24°
29/19
50mm
May
21°
26/16
70mm
Jun
18°
23/13
80mm
Jul
17°
22/12
90mm
Aug
19°
24/14
90mm
Sep
22°
27/17
70mm
Oct
25°
30/20
75mm
Nov
27°
32/22
80mm
Dec
28°
33/23
90mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Australia: Normal precautions (UK FCDO) ↗

Common questions

How far is Hong Kong from Sydney (Mascot)?

Hong Kong (HKG) and Sydney (Mascot) (SYD) are around 7,394 km (4,594 miles) apart — an estimated 9h 45m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the HKG–SYD route?

Airlines recorded operating this route in the OpenFlights network include Cathay Pacific, Hong Kong Airlines, Qantas. This reflects historical scheduled service and may be out of date.

What is the time difference between Hong Kong and Sydney (Mascot)?

Time difference ~ 3 hours (varies with daylight-saving).

When is it warmest in Australia?

Across Australia, the warmest month on average is January, with mean temperatures around 29°C. These are country-level monthly climate normals, not airport-specific.

Is there a travel advisory for Australia?

The UK FCDO currently rates Australia as Normal precautions. Check the official source before you travel.

Distances and flight times are great-circle estimates, not booked block times.