China Southern flights from London Heathrow Airport to Sydney (LHR - SYD)

LHR — SYD
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Sydney on China Southern typically fly into Sydney Kingsford Smith and depart from London Heathrow. Select your dates above for pricing.

China Southern flights from Heathrow to Sydney in 2026

Find detailed information about China Southern flights from Heathrow to Sydney. Explore the options provided by China Southern to plan your journey from Heathrow to Sydney. Data last updated 17 March 2026.

One-way from

£397

Return from

£726

Popular in

December

Cheapest in

May

Average price (all airlines)

£992
China Southern
  • China Southern
  • 17/6
  • 2 total stops
  • 39h 10m total
  • London to Sydney
China Southern
  • China Southern
  • 7/5-22/5
  • 2 total stops
  • 67h 25m total
  • London to Sydney
Highest demand for flights from London Heathrow to Sydney Kingsford Smith; 7% potential price increase.
Best time to find cheap flights from London Heathrow to Sydney Kingsford Smith; 2% potential price drop.
Average price for all London Heathrow to Sydney Kingsford Smith flights (one-way and round-trip).

Find China Southern flight deals from Heathrow to Sydney

Enter your travel dates to find the best prices.

Cheapest China Southern flights from Heathrow to Sydney
Explore the most affordable China Southern flight options available from Heathrow to Sydney. Find the lowest fares with prices last updated on 17 March 2026.

Mon 27/421:00
LHR
-
SYD
2 stops48h 25m
China Southern
Mon 18/508:45
SYD
-
LHR
2 stops42h 20m
China Southern
Deal found 15/3£727
Wed 29/419:15
LHR
-
SYD
2 stops32h 10m
China Southern
Sat 23/508:45
SYD
-
LHR
2 stops40h 30m
China Southern
Deal found 16/3£732
Mon 27/421:00
LHR
-
SYD
2 stops37h 25m
China Southern
Wed 13/514:10
SYD
-
LHR
2 stops36h 55m
China Southern
Deal found 13/3£737

How far ahead should I book a flight from London Heathrow Airport to Sydney with China Southern?

Use this chart to determine the optimal time to book a return flight from Heathrow to Sydney. Price data was last updated on 13 March 2026.

Booking with China Southern 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Sydney with China Southern?

Currently, the most affordable month to book a China Southern flight from London Heathrow Airport to Sydney in October, with an average price of £529. Conversely, traveling with China Southern from London Heathrow Airport to Sydney in July will be the most expensive, with an average cost of £750. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Heathrow to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Sydney on another airline

Consider alternative airlines that service the Sydney area. Flight routes are based on user searches made on Cheapflights and were last updated on 17 March 2026.

See what others are saying about China Southern

Read reviews and see what other travellers are saying about their experiences with China Southern. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing China Southern for your next flight. Reviews last updated 17 March 2026.
China Southern
7.4
Good
142 reviews
Overview

Entertainment

7.2

Crew

8.0

Boarding

7.8

Food

7.2

Comfort

7.6

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.