Can I get a flight from London Heathrow Airport to Sydney on China Southern for under £1,253?

Cheapflights currently has 9 LHR-SYD flights for under £1,253. Flights to Sydney will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

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 May, with an average price of £671. Conversely, traveling with China Southern from London Heathrow Airport to Sydney in December will be the most expensive, with an average cost of £977. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

£431+ China Southern Flights from Heathrow to Sydney

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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 28 August 2026.

Sun 13/922:10 -

1 stop36h 15m

Mon 28/921:45 -

2 stops29h 20m

Deal found 24/8£803

Sat 5/922:10 -

1 stop36h 15m

Tue 8/910:05 -

2 stops39h 10m

Deal found 28/8£813

Sun 13/921:00 -

2 stops37h 25m

Tue 29/921:45 -

2 stops29h 20m

Deal found 24/8£819

Can I get a flight from London Heathrow Airport to Sydney on China Southern for under £1,253?
Cheapflights currently has 9 LHR-SYD flights for under £1,253. Flights to Sydney will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

China Southern flights from Heathrow to Sydney in 2026

One-way from	£431
Return from	£800
Popular in	December
Cheapest in	May
Average price (all airlines)	£1,184

China Southern
7/9
2 total stops
37h 25m total
London to Sydney

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China Southern
11/1-1/2
4 total stops
74h 30m total
London to Sydney

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Highest demand for flights from London Heathrow to Sydney Kingsford Smith; 7% potential price increase.

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Best time to find cheap flights from London Heathrow to Sydney Kingsford Smith; 3% potential price drop.

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Average price for all London Heathrow to Sydney Kingsford Smith flights (one-way and round-trip).

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Prices

The best time to book a flight to Sydney with China Southern is on the same day as departure. On average, fares are higher if you book 37 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Sydney?

For Economy class flights, the cheapest month to fly this route is May. The most expensive months are December and August.

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.

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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.

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

Find China Southern flight deals from Heathrow to Sydney

Cheapest China Southern flights from Heathrow to SydneyExplore the most affordable China Southern flight options available from Heathrow to Sydney. Find the lowest fares with prices last updated on 28 August 2026.

Explore the most affordable China Southern flight options available from Heathrow to Sydney. Find the lowest fares with prices last updated on 28 August 2026.

Best China Southern flights from Heathrow to SydneyDiscover carefully curated China Southern flight deals from Heathrow to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Discover carefully curated China Southern flight deals from Heathrow to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute China Southern flights from Heathrow to SydneyDiscover last-minute China Southern flight deals from Heathrow to Sydney. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute China Southern flight deals from Heathrow to Sydney. Data last updated 28 August 2026 and is based on user searches.

One-way China Southern flights to SydneySearch for one-way China Southern flight options to Sydney. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Search for one-way China Southern flight options to Sydney. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Can I get a flight from London Heathrow Airport to Sydney on China Southern for under £1,253?

China Southern flights from Heathrow to Sydney in 2026

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Popular in

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Average price (all airlines)

When is the best time to book a flight to Sydney with China Southern?

The best time to book a flight to Sydney with China Southern is on the same day as departure. On average, fares are higher if you book 37 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Sydney?

For Economy class flights, the cheapest month to fly this route is May. The most expensive months are December and August.

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

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.

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 28 August 2026.

Other China Southern flights from Heathrow

Browse through other China Southern flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 28 August 2026.

Complete your trip

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Sydney

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Other popular destinations in South Pacific

If Sydney is not for you, choose from these other destinations located in South Pacific. Flight routes are based on user searches made on Cheapflights and were last updated on 28 August 2026.

Popular flights with China Southern

Browse through some of the most popular routes that China Southern offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 28 August 2026.

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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 28 August 2026.

Best China Southern flights from Heathrow to Sydney
Discover carefully curated China Southern flight deals from Heathrow to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute China Southern flights from Heathrow to Sydney
Discover last-minute China Southern flight deals from Heathrow to Sydney. Data last updated 28 August 2026 and is based on user searches.

One-way China Southern flights to Sydney
Search for one-way China Southern flight options to Sydney. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.