What is the cheapest airline that flies from London Heathrow to Sydney Kingsford Smith?

Etihad Airways, British Airways, and Qatar Airways are the most popular carriers operating from London Heathrow to Sydney Kingsford Smith

How many flights depart from London Heathrow Airport to Sydney on average per day?

The number of flights available between London Heathrow Airport and Sydney is 2 per day as of September 2026. The most frequent departure time is 10:00p.m., with 100% of daily flights leaving in the evening.

How many flights depart from London Heathrow Airport to Sydney on average per week?

18 flights are operational weekly from London Heathrow Airport to Sydney as of September 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

When did momondo last update prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?

Prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 819 Cheap Flights from London Heathrow Airport to Sydney in 2026

Find the cheapest flights from London Heathrow Airport to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 p.m. - 1:35 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

53h 05m2 stops Beijing Daxing Intl Guangzhou Baiyun

3:15 p.m. - 5:55 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

37h 40m2 stops Guangzhou Baiyun Beijing Daxing Intl

C$ 1,487China Southern

Fri, 19 Feb - Wed, 10 Mar

10:00 p.m. - 1:35 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

28h 35m1 stop Guangzhou Baiyun

11:25 a.m. - 6:35 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

42h 10m1 stop Guangzhou Baiyun

C$ 1,488China Southern

Sat, 20 Feb - Mon, 8 Mar

10:00 p.m. - 1:35 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

28h 35m1 stop Guangzhou Baiyun

11:25 a.m. - 6:35 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

42h 10m2 stops Guangzhou Baiyun Beijing Daxing Intl

C$ 1,498China Southern

Sat, 20 Feb - Fri, 12 Mar

9:30 p.m. - 1:35 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 05m2 stops Beijing Daxing Intl Guangzhou Baiyun

11:25 a.m. - 6:35 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

42h 10m2 stops Guangzhou Baiyun Beijing Daxing Intl

C$ 1,509China Southern

Sat, 20 Feb - Fri, 12 Mar

9:00 p.m. - 1:35 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 35m1 stop Shanghai Pu Dong

9:30 p.m. - 5:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

31h 00m1 stop Shanghai Pu Dong

C$ 1,549China Eastern

Thu, 18 Feb - Wed, 10 Mar

9:00 p.m. - 9:05 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

49h 05m2 stops Shanghai Pu Dong Nanjing Lukou Intl

9:30 p.m. - 5:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

31h 00m1 stop Shanghai Pu Dong

C$ 1,560China Eastern

Thu, 18 Feb - Wed, 10 Mar

10:00 p.m. - 1:35 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

28h 35m1 stop Guangzhou Baiyun

10:10 p.m. - 6:35 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

31h 25m1 stop Guangzhou Baiyun

C$ 1,578China Southern

Sat, 20 Feb - Thu, 11 Mar

10:00 p.m. - 1:35 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

28h 35m1 stop Guangzhou Baiyun

10:10 p.m. - 6:35 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

31h 25m2 stops Guangzhou Baiyun Beijing Daxing Intl

C$ 1,587China Southern

Sat, 20 Feb - Sat, 13 Mar

7:15 p.m. - 8:25 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

39h 10m2 stops Wuhan Guangzhou Baiyun

10:10 p.m. - 7:20 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

31h 10m1 stop Guangzhou Baiyun

C$ 1,593China Southern

Sun, 4 Oct - Sun, 11 Oct

7:15 p.m. - 8:25 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

39h 10m2 stops Wuhan Guangzhou Baiyun

10:10 p.m. - 6:05 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

29h 55m2 stops Guangzhou Baiyun Beijing Daxing Intl

C$ 1,594China Southern

Sun, 4 Oct - Sun, 11 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

9:40 p.m. - 6:10 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

23h 30m1 stop Abu Dhabi Zayed Intl

3:40 p.m. - 12:45 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

30h 05m1 stop Abu Dhabi Zayed Intl

C$ 1,765Etihad Airways

Sun, 13 Sep - Tue, 29 Sep

9:40 p.m. - 6:10 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

23h 30m1 stop Abu Dhabi Zayed Intl

3:40 p.m. - 12:45 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

30h 05m1 stop Abu Dhabi Zayed Intl

C$ 1,767Etihad Airways

Sun, 13 Sep - Tue, 29 Sep

9:40 p.m. - 6:10 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

23h 30m1 stop Abu Dhabi Zayed Intl

3:40 p.m. - 12:45 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

30h 05m1 stop Abu Dhabi Zayed Intl

C$ 1,768Etihad Airways

Sun, 13 Sep - Tue, 29 Sep

10:40 p.m. - 7:10 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

35h 30m2 stops Istanbul Kuala Lumpur Intl

10:05 p.m. - 3:10 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

27h 05m2 stops Kuala Lumpur Intl Istanbul

C$ 1,782Turkish Airlines

Mon, 14 Sep - Sun, 18 Oct

6:30 p.m. - 7:10 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

39h 40m2 stops Istanbul Kuala Lumpur Intl

9:05 p.m. - 4:00 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

27h 55m2 stops Kuala Lumpur Intl Istanbul

C$ 1,852Turkish Airlines

Mon, 14 Sep - Wed, 30 Sep

6:30 p.m. - 7:10 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

39h 40m2 stops Istanbul Kuala Lumpur Intl

9:05 p.m. - 4:00 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

27h 55m2 stops Kuala Lumpur Intl Istanbul

C$ 1,865Turkish Airlines

Wed, 9 Sep - Wed, 23 Sep

10:40 p.m. - 7:10 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

35h 30m2 stops Istanbul Kuala Lumpur Intl

9:05 p.m. - 11:40 a.m.SYD Sydney Kingsford Smith-LHR London Heathrow

47h 35m2 stops Kuala Lumpur Intl Istanbul

C$ 1,870Turkish Airlines

Sun, 13 Sep - Thu, 1 Oct

6:30 p.m. - 7:10 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

39h 40m2 stops Istanbul Kuala Lumpur Intl

9:05 p.m. - 10:25 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

34h 20m2 stops Kuala Lumpur Intl Istanbul

C$ 1,907Turkish Airlines

Mon, 14 Sep - Tue, 22 Sep

6:30 p.m. - 7:10 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

39h 40m2 stops Istanbul Kuala Lumpur Intl

9:05 p.m. - 4:00 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

27h 55m2 stops Kuala Lumpur Intl Istanbul

C$ 1,912Turkish Airlines

Wed, 9 Sep - Wed, 23 Sep

2:45 p.m. - 6:10 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

30h 25m1 stop Abu Dhabi Zayed Intl

3:40 p.m. - 6:45 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

36h 05m1 stop Abu Dhabi Zayed Intl

C$ 1,916Etihad Airways

Sun, 13 Sep - Tue, 22 Sep

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China Southern flights from London Heathrow Airport to Sydney

Our best China Southern deals on London Heathrow Airport to Sydney flight tickets

China Southern

19 Feb

LHR9:30 p.m.London Heathrow

53h 05m

2 stops

SYD1:35 p.m.Sydney Kingsford Smith

8 Mar

SYD3:15 p.m.Sydney Kingsford Smith

57h 45m

2 stops

LHR2:00 p.m.London Heathrow

C$ 1,487

China Southern

20 Feb

LHR10:00 p.m.London Heathrow

28h 35m

1 stop

SYD1:35 p.m.Sydney Kingsford Smith

7 Mar

SYD10:10 p.m.Sydney Kingsford Smith

31h 25m

1 stop

LHR6:35 p.m.London Heathrow

C$ 1,488

China Southern

20 Feb

LHR10:00 p.m.London Heathrow

28h 35m

1 stop

SYD1:35 p.m.Sydney Kingsford Smith

12 Mar

SYD11:25 a.m.Sydney Kingsford Smith

42h 10m

2 stops

LHR6:35 p.m.London Heathrow

C$ 1,498

China Eastern flights from London Heathrow Airport to Sydney

Our best China Eastern deals on London Heathrow Airport to Sydney flight tickets

China Eastern

18 Feb

LHR9:00 p.m.London Heathrow

29h 35m

1 stop

SYD1:35 p.m.Sydney Kingsford Smith

10 Mar

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,549

China Eastern

18 Feb

LHR9:00 p.m.London Heathrow

49h 05m

2 stops

SYD9:05 a.m.Sydney Kingsford Smith

10 Mar

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,560

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Fri 19/2

9:30 p.m.-1:35 p.m.

2 stops53h 05m

Sydney Kingsford Smith

Wed 10/3

3:15 p.m.-5:55 p.m.

2 stops37h 40m

C$ 1,487

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

10:00 p.m.-1:35 p.m.

1 stop28h 35m

Sydney Kingsford Smith

Mon 8/3

11:25 a.m.-6:35 p.m.

1 stop42h 10m

C$ 1,488

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

10:00 p.m.-1:35 p.m.

1 stop28h 35m

Sydney Kingsford Smith

Fri 12/3

11:25 a.m.-6:35 p.m.

2 stops42h 10m

C$ 1,498

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

9:30 p.m.-1:35 p.m.

2 stops29h 05m

Sydney Kingsford Smith

Fri 12/3

11:25 a.m.-6:35 p.m.

2 stops42h 10m

C$ 1,509

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Thu 18/2

9:00 p.m.-1:35 p.m.

1 stop29h 35m

Sydney Kingsford Smith

Wed 10/3

9:30 p.m.-5:30 p.m.

1 stop31h 00m

C$ 1,549

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Thu 18/2

9:00 p.m.-9:05 a.m.

2 stops49h 05m

Sydney Kingsford Smith

Wed 10/3

9:30 p.m.-5:30 p.m.

1 stop31h 00m

C$ 1,560

Quickest round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

10:00 p.m.-1:35 p.m.

1 stop28h 35m

Sydney Kingsford Smith

Thu 11/3

10:10 p.m.-6:35 p.m.

1 stop31h 25m

C$ 1,578

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

10:00 p.m.-1:35 p.m.

1 stop28h 35m

Sydney Kingsford Smith

Sat 13/3

10:10 p.m.-6:35 p.m.

2 stops31h 25m

C$ 1,587

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 4/10

7:15 p.m.-8:25 p.m.

2 stops39h 10m

Sydney Kingsford Smith

Sun 11/10

10:10 p.m.-7:20 p.m.

1 stop31h 10m

C$ 1,593

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 4/10

7:15 p.m.-8:25 p.m.

2 stops39h 10m

Sydney Kingsford Smith

Sun 11/10

10:10 p.m.-6:05 p.m.

2 stops29h 55m

C$ 1,594

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between London Heathrow Airport and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 1,701 to C$ 2,193.
The lowest price recently found on this route was C$ 1,487.

What is the cheapest month to fly to Sydney?

If you aren’t able to travel to Sydney during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of C$ 1,736.

How far in advance should I book a flight from London Heathrow Airport to Sydney?

You are more likely to see cheaper flights to Sydney from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around C$ 1,987 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London Heathrow Airport for as low as C$ 1,735 on momondo.

How have London Heathrow Airport to Sydney flight prices changed over time?

As of September 2026, prices for London Heathrow Airport to Sydney flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London Heathrow Airport to Sydney (LHR to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sydney

Best price found	C$ 819
Fastest flight time	39h 10m
Direct flights	None

The best one-way flight to Sydney from London Heathrow Airport in the past 72 hours is C$ 819. The best round-trip flight deal from London Heathrow Airport to Sydney found on momondo in the last 72 hours is C$ 1,487.

The fastest flight from London Heathrow Airport to Sydney takes 39h 10m

There are no direct flights from London Heathrow Airport to Sydney. There are no popular flight routes from London Heathrow Airport to Sydney.

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Frequently asked questions about flying from London Heathrow Airport to Sydney

How far is London Heathrow to Sydney Kingsford Smith by plane?
The straight-line distance from London Heathrow to Sydney Kingsford Smith is 17004.5 km. 39h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
Prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Sydney?
Based on momondo bookings for flights between London Heathrow Airport and Sydney, the leading plane model is Airbus A380-800, making up 86.54% of the total bookings. Other popular models include Boeing 777 with 4.81%, Boeing 787 Dreamliner with 3.37%, and Boeing 777-300ER with 2.40%.

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Why should I use momondo to find a flight deal from London to Sydney?

It is quick and easy to find London to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from London to Sydney with flexible booking policies on momondo?

Flights from London to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Sydney?

Once all potential London to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from London and alert you when they change.