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

Austrian Airlines, SWISS, 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 1 per day as of October 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?

8 flights are operational weekly from London Heathrow Airport to Sydney as of October 2026. The most popular departure day for this route is Wed, with 38% 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$ 830 Cheap Flights from London Heathrow Airport to Sydney in 2026/27

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.

1:00 p.m. - 7:45 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

43h 45m1 stop New Delhi Indira Gandhi Intl

10:30 p.m. - 8:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

33h 00m1 stop New Delhi Indira Gandhi Intl

C$ 1,454Air India

Mon, 15 Feb - Thu, 4 Mar

9:10 p.m. - 1:40 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 30m1 stop Shenzhen

10:10 p.m. - 8:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

33h 20m1 stop Shenzhen

C$ 1,488Shenzhen Airlines

Wed, 30 Dec - Wed, 13 Jan

9:10 p.m. - 1:40 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 30m1 stop Shenzhen

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

32h 00m1 stop Shenzhen

C$ 1,499Shenzhen Airlines

Sun, 28 Feb - Fri, 5 Mar

9:30 p.m. - 1:20 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

28h 50m2 stops Beijing Daxing Intl Guangzhou Baiyun

8:00 p.m. - 11:30 a.m.SYD Sydney Kingsford Smith-LHR London Heathrow

24h 30m1 stop New Delhi Indira Gandhi Intl

C$ 1,562Multiple Airlines

Mon, 1 Mar - Sat, 1 May

10:00 p.m. - 9:25 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

24h 25m1 stop Guangzhou Baiyun

10:05 p.m. - 6:35 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

55h 30m2 stops Guangzhou Baiyun Beijing Daxing Intl

C$ 1,590China Southern

Tue, 24 Nov - Sun, 10 Jan

9:10 p.m. - 1:40 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 30m1 stop Shenzhen

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

32h 00m1 stop Shenzhen

C$ 1,597Shenzhen Airlines

Mon, 22 Feb - Sun, 7 Mar

9:10 p.m. - 1:40 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 30m1 stop Shenzhen

10:10 p.m. - 8:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

33h 20m1 stop Shenzhen

C$ 1,599Shenzhen Airlines

Wed, 24 Feb - Mon, 1 Mar

9:10 p.m. - 1:40 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 30m1 stop Shenzhen

10:10 p.m. - 8:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

33h 20m1 stop Shenzhen

C$ 1,600Shenzhen Airlines

Wed, 24 Feb - Wed, 3 Mar

9:10 p.m. - 1:40 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 30m1 stop Shenzhen

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

32h 00m1 stop Shenzhen

C$ 1,603Shenzhen Airlines

Fri, 26 Feb - Fri, 12 Mar

9:10 p.m. - 1:40 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

29h 30m1 stop Shenzhen

10:10 p.m. - 8:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

33h 20m1 stop Shenzhen

C$ 1,606Shenzhen Airlines

Wed, 24 Feb - Mon, 8 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

9:45 a.m. - 8:05 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

24h 20m1 stop New Delhi Indira Gandhi Intl

10:30 p.m. - 7:20 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

31h 50m1 stop New Delhi Indira Gandhi Intl

C$ 1,780Air India

Fri, 23 Oct - Sun, 8 Nov

8:25 a.m. - 10:20 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

38h 55m2 stops Muscat Seeb Kuala Lumpur Intl

11:50 a.m. - 5:55 a.m.SYD Sydney Kingsford Smith-LHR London Heathrow

29h 05m2 stops Kuala Lumpur Intl Muscat Seeb

C$ 2,136Oman Air

Mon, 26 Oct - Sun, 1 Nov

10:40 p.m. - 7:25 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

33h 45m2 stops Istanbul Singapore Changi

9:35 p.m. - 4:20 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

29h 45m2 stops Singapore Changi Istanbul

C$ 2,230Turkish Airlines

Wed, 28 Oct - Tue, 10 Nov

6:25 a.m. - 9:55 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

28h 30m2 stops Istanbul Bangkok Suvarnabhumi

9:35 p.m. - 4:20 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

29h 45m2 stops Singapore Changi Istanbul

C$ 2,249Multiple Airlines

Mon, 26 Oct - Thu, 12 Nov

10:05 p.m. - 8:50 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

35h 45m1 stop Hong Kong Intl

10:20 p.m. - 3:00 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

27h 40m1 stop Hong Kong Intl

C$ 2,284Cathay Pacific

Sun, 25 Oct - Sat, 14 Nov

8:25 a.m. - 10:20 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

38h 55m2 stops Muscat Seeb Kuala Lumpur Intl

11:50 a.m. - 5:55 a.m.SYD Sydney Kingsford Smith-LHR London Heathrow

29h 05m2 stops Kuala Lumpur Intl Muscat Seeb

C$ 2,345Oman Air

Mon, 26 Oct - Sun, 1 Nov

8:25 a.m. - 10:20 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

38h 55m2 stops Muscat Seeb Kuala Lumpur Intl

11:50 a.m. - 5:55 a.m.SYD Sydney Kingsford Smith-LHR London Heathrow

29h 05m2 stops Kuala Lumpur Intl Muscat Seeb

C$ 2,346Oman Air

Mon, 26 Oct - Sun, 1 Nov

8:05 p.m. - 10:20 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

27h 15m2 stops Muscat Seeb Kuala Lumpur Intl

10:15 p.m. - 6:25 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

55h 10m2 stops Kuala Lumpur Intl Muscat Seeb

C$ 2,353Oman Air

Sun, 25 Oct - Tue, 27 Oct

8:50 p.m. - 10:20 a.m.LHR London Heathrow-SYD Sydney Kingsford Smith

51h 30m2 stops Muscat Seeb Kuala Lumpur Intl

11:50 a.m. - 6:25 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

41h 35m2 stops Kuala Lumpur Intl Muscat Seeb

C$ 2,369Oman Air

Fri, 23 Oct - Thu, 12 Nov

10:40 p.m. - 9:55 p.m.LHR London Heathrow-SYD Sydney Kingsford Smith

37h 15m2 stops Istanbul Bangkok Suvarnabhumi

9:35 p.m. - 10:30 p.m.SYD Sydney Kingsford Smith-LHR London Heathrow

35h 55m2 stops Singapore Changi Istanbul

C$ 2,373Turkish Airlines

Sat, 24 Oct - Tue, 10 Nov

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Turkish Airlines flights from London Heathrow Airport to Sydney

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

Turkish Airlines

3 Nov

LHR5:55 p.m.London Heathrow

38h 30m

2 stops

SYD7:25 p.m.Sydney Kingsford Smith

19 Nov

SYD9:35 p.m.Sydney Kingsford Smith

29h 45m

2 stops

LHR4:20 p.m.London Heathrow

C$ 1,744

Turkish Airlines

31 Dec

LHR10:40 p.m.London Heathrow

33h 45m

2 stops

SYD7:25 p.m.Sydney Kingsford Smith

28 Jan

SYD9:35 p.m.Sydney Kingsford Smith

28h 20m

2 stops

LHR2:55 p.m.London Heathrow

C$ 1,753

Turkish Airlines

11 Nov

LHR5:55 p.m.London Heathrow

38h 30m

2 stops

SYD7:25 p.m.Sydney Kingsford Smith

22 Nov

SYD9:35 p.m.Sydney Kingsford Smith

35h 55m

2 stops

LHR10:30 p.m.London Heathrow

C$ 1,758

Air India flights from London Heathrow Airport to Sydney

Our best Air India deals on London Heathrow Airport to Sydney flight tickets

Air India

15 Feb

LHR1:00 p.m.London Heathrow

43h 45m

1 stop

SYD7:45 p.m.Sydney Kingsford Smith

4 Mar

SYD10:30 p.m.Sydney Kingsford Smith

33h 00m

1 stop

LHR8:30 p.m.London Heathrow

C$ 1,454

Air India

20 Nov

LHR8:45 a.m.London Heathrow

24h 00m

1 stop

SYD7:45 p.m.Sydney Kingsford Smith

25 Nov

SYD10:30 p.m.Sydney Kingsford Smith

33h 00m

1 stop

LHR8:30 p.m.London Heathrow

C$ 1,690

Air India

23 Oct

LHR9:45 a.m.London Heathrow

24h 20m

1 stop

SYD8:05 p.m.Sydney Kingsford Smith

8 Nov

SYD10:30 p.m.Sydney Kingsford Smith

31h 50m

1 stop

LHR7:20 p.m.London Heathrow

C$ 1,780

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

Mon 15/2

1:00 p.m.-7:45 p.m.

1 stop43h 45m

Sydney Kingsford Smith

Thu 4/3

10:30 p.m.-8:30 p.m.

1 stop33h 00m

C$ 1,454

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 30/12

9:10 p.m.-1:40 p.m.

1 stop29h 30m

Sydney Kingsford Smith

Wed 13/1

10:10 p.m.-8:30 p.m.

1 stop33h 20m

C$ 1,488

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 28/2

9:10 p.m.-1:40 p.m.

1 stop29h 30m

Sydney Kingsford Smith

Fri 5/3

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

1 stop32h 00m

C$ 1,499

Quickest round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 1/3

9:30 p.m.-1:20 p.m.

2 stops28h 50m

Sydney Kingsford Smith

Sat 1/5

8:00 p.m.-11:30 a.m.

1 stop24h 30m

C$ 1,562

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Tue 24/11

10:00 p.m.-9:25 a.m.

1 stop24h 25m

Sydney Kingsford Smith

Sun 10/1

10:05 p.m.-6:35 p.m.

2 stops55h 30m

C$ 1,590

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 22/2

9:10 p.m.-1:40 p.m.

1 stop29h 30m

Sydney Kingsford Smith

Sun 7/3

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

1 stop32h 00m

C$ 1,597

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 24/2

9:10 p.m.-1:40 p.m.

1 stop29h 30m

Sydney Kingsford Smith

Mon 1/3

10:10 p.m.-8:30 p.m.

1 stop33h 20m

C$ 1,599

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 24/2

9:10 p.m.-1:40 p.m.

1 stop29h 30m

Sydney Kingsford Smith

Wed 3/3

10:10 p.m.-8:30 p.m.

1 stop33h 20m

C$ 1,600

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Fri 26/2

9:10 p.m.-1:40 p.m.

1 stop29h 30m

Sydney Kingsford Smith

Fri 12/3

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

1 stop32h 00m

C$ 1,603

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 24/2

9:10 p.m.-1:40 p.m.

1 stop29h 30m

Sydney Kingsford Smith

Mon 8/3

10:10 p.m.-8:30 p.m.

1 stop33h 20m

C$ 1,606

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$ 1,562 to C$ 2,207.
The lowest price recently found on this route was C$ 1,454.

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$ 1,787.

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$ 2,040 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$ 1,893 on momondo.

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

As of October 2026, prices for London Heathrow Airport to Sydney flights are approximately 17% 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

Best price found	C$ 830
Fastest flight time	44h 05m
Direct flights	None

The best one-way flight to Sydney from London Heathrow Airport in the past 72 hours is C$ 830. The best round-trip flight deal from London Heathrow Airport to Sydney found on momondo in the last 72 hours is C$ 1,454.

The fastest flight from London Heathrow Airport to Sydney takes 44h 05m

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

Search flight deals

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. 44h 05m 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 84.62% of the total bookings. Other popular models include Boeing 777 with 10.26%, Boeing 787 Dreamliner with 2.93%, and Boeing 787-9 Dreamliner with 1.10%.

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Why use momondo?

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.