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

20 flights are operational weekly from London Heathrow Airport to Sydney as of July 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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 July 2026. The most frequent departure time is 10:00p.m., with 100% of daily flights leaving in the evening.

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

China Eastern and Vietnam Airlines are the most popular carriers operating from London Heathrow to Sydney Kingsford Smith

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$ 996 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.

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

LHR

SYD

29h 35m

1 stop

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

SYD

LHR

31h 00m

1 stop

C$ 1,680China Eastern

Mon, 26 Oct - Wed, 4 Nov

9:00 p.m. - 10:00 a.m.

LHR

SYD

26h 00m

1 stop

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

SYD

LHR

31h 00m

1 stop

C$ 1,681China Eastern

Fri, 13 Nov - Sat, 21 Nov

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

LHR

SYD

29h 35m

1 stop

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

SYD

LHR

31h 00m

1 stop

C$ 1,684China Eastern

Sat, 7 Nov - Fri, 20 Nov

9:00 p.m. - 10:00 a.m.

LHR

SYD

26h 00m

1 stop

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

SYD

LHR

31h 00m

1 stop

C$ 1,685China Eastern

Mon, 26 Oct - Thu, 5 Nov

9:00 p.m. - 10:00 a.m.

LHR

SYD

26h 00m

1 stop

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

SYD

LHR

31h 00m

1 stop

C$ 1,687China Eastern

Mon, 26 Oct - Thu, 5 Nov

6:40 p.m. - 7:15 a.m.

LHR

SYD

25h 35m

2 stops

3:15 p.m. - 8:05 a.m.

SYD

LHR

27h 50m

2 stops

C$ 1,688SWISS

Wed, 4 Nov - Tue, 24 Nov

9:00 p.m. - 10:00 a.m.

LHR

SYD

26h 00m

1 stop

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

SYD

LHR

31h 00m

1 stop

C$ 1,689China Eastern

Mon, 26 Oct - Fri, 6 Nov

9:00 p.m. - 10:00 a.m.

LHR

SYD

26h 00m

1 stop

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

SYD

LHR

31h 00m

1 stop

C$ 1,691China Eastern

Mon, 26 Oct - Sat, 7 Nov

9:20 p.m. - 8:00 a.m.

LHR

SYD

49h 40m

3 stops

8:30 p.m. - 6:40 p.m.

SYD

LHR

31h 10m

1 stop

C$ 1,692China Eastern

Sun, 30 Aug - Fri, 11 Sep

9:20 p.m. - 8:00 a.m.

LHR

SYD

49h 40m

3 stops

8:30 p.m. - 6:40 p.m.

SYD

LHR

31h 10m

1 stop

C$ 1,694China Eastern

Wed, 26 Aug - Mon, 7 Sep

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China Eastern flights from London Heathrow Airport to Sydney

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

China Eastern

13 Nov

LHR9:00 p.m.London Heathrow

26h 00m

1 stop

SYD10:00 a.m.Sydney Kingsford Smith

21 Nov

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,681

China Eastern

7 Nov

LHR9:00 p.m.London Heathrow

29h 35m

1 stop

SYD1:35 p.m.Sydney Kingsford Smith

20 Nov

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,684

China Eastern

26 Oct

LHR9:00 p.m.London Heathrow

26h 00m

1 stop

SYD10:00 a.m.Sydney Kingsford Smith

3 Nov

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,685

Austrian Airlines flights from London Heathrow Airport to Sydney

Our best Austrian Airlines deals on London Heathrow Airport to Sydney flight tickets

Austrian Airlines

20 Oct

LHR7:30 p.m.London Heathrow

29h 50m

2 stops

SYD11:20 a.m.Sydney Kingsford Smith

3 Nov

SYD3:25 p.m.Sydney Kingsford Smith

27h 55m

2 stops

LHR8:20 a.m.London Heathrow

C$ 1,735

Austrian Airlines

20 Sep

LHR7:30 p.m.London Heathrow

29h 50m

2 stops

SYD10:20 a.m.Sydney Kingsford Smith

5 Oct

SYD3:35 p.m.Sydney Kingsford Smith

29h 50m

2 stops

LHR11:25 a.m.London Heathrow

C$ 1,739

Austrian Airlines

13 Sep

LHR7:30 p.m.London Heathrow

29h 50m

2 stops

SYD10:20 a.m.Sydney Kingsford Smith

21 Oct

SYD3:35 p.m.Sydney Kingsford Smith

26h 45m

2 stops

LHR8:20 a.m.London Heathrow

C$ 1,740

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 - SYD

LHRSYD

London Heathrow

Mon 26/10

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

1 stop29h 35m

Sydney Kingsford Smith

Wed 4/11

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

1 stop31h 00m

C$ 1,680

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 13/11

9:00 p.m.-10:00 a.m.

1 stop26h 00m

Sydney Kingsford Smith

Sat 21/11

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

1 stop31h 00m

C$ 1,681

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 7/11

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

1 stop29h 35m

Sydney Kingsford Smith

Fri 20/11

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

1 stop31h 00m

C$ 1,684

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 26/10

9:00 p.m.-10:00 a.m.

1 stop26h 00m

Sydney Kingsford Smith

Thu 5/11

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

1 stop31h 00m

C$ 1,685

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 26/10

9:00 p.m.-10:00 a.m.

1 stop26h 00m

Sydney Kingsford Smith

Thu 5/11

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

1 stop31h 00m

C$ 1,687

Quickest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/11

6:40 p.m.-7:15 a.m.

2 stops25h 35m

Sydney Kingsford Smith

Tue 24/11

3:15 p.m.-8:05 a.m.

2 stops27h 50m

C$ 1,688

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 26/10

9:00 p.m.-10:00 a.m.

1 stop26h 00m

Sydney Kingsford Smith

Fri 6/11

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

1 stop31h 00m

C$ 1,689

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 26/10

9:00 p.m.-10:00 a.m.

1 stop26h 00m

Sydney Kingsford Smith

Sat 7/11

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

1 stop31h 00m

C$ 1,691

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 30/8

9:20 p.m.-8:00 a.m.

3 stops49h 40m

Sydney Kingsford Smith

Fri 11/9

8:30 p.m.-6:40 p.m.

1 stop31h 10m

C$ 1,692

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 26/8

9:20 p.m.-8:00 a.m.

3 stops49h 40m

Sydney Kingsford Smith

Mon 7/9

8:30 p.m.-6:40 p.m.

1 stop31h 10m

C$ 1,694

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$ 2,065 to C$ 2,776.
The lowest price recently found on this route was C$ 1,680.

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$ 1,773.

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$ 1,993 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$ 1,859 on momondo.

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

As of July 2026, prices for London Heathrow Airport to Sydney flights are approximately 9% cheaper 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

Fastest flight time	32h 20m
Direct flights	None

The fastest flight from London Heathrow Airport to Sydney takes 32h 20m

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. 32h 20m 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 73.83% of the total bookings. Other popular models include Airbus A380 with 20.81%, Boeing 777-300ER with 3.36%, and Boeing 787-9 Dreamliner with 1.34%.

Charlestown

Parramatta

Bondi Beach

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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.