Which airport is the most popular layover for flights between London and Sydney?

Hong Kong (HKG) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

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

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

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

20 flights are operational weekly from London 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.

Which layover airport has the shortest travel time from London to Sydney?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 25h 00m.

Which layover airport offers the lowest fares from London to Sydney?

Flights via Hong Kong (HKG) offer the lowest average round-trip price of C$ 1,613.

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

The number of flights available between London 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.

Which layover airport has the shortest connection time from London to Sydney?

Hong Kong (HKG) has the shortest average layover time for this route: 3h 33m.

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

Prices for flights from London to Sydney Kingsford Smith Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Sydney Kingsford Smith Airport.

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

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 996 Cheap Flights from London to Sydney in 2026

Find the cheapest flights from London 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. - 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$ 1,680China Eastern

Mon, 26 Oct - Mon, 9 Nov

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

LHR

SYD

29h 35m

1 stop

9:20 a.m. - 5:30 p.m.

SYD

LHR

43h 10m

1 stop

C$ 1,681China Eastern

Sat, 7 Nov - Thu, 31 Dec

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 - Tue, 3 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 - Sat, 7 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 - 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$ 1,691China Eastern

Mon, 26 Oct - Fri, 6 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 to Sydney

Our best China Eastern deals on London to Sydney flight tickets

China Eastern

26 Oct

LHR9:00 p.m.London Heathrow

26h 00m

1 stop

SYD10:00 a.m.Sydney Kingsford Smith

9 Nov

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,680

China Eastern

7 Nov

LHR9:00 p.m.London Heathrow

29h 35m

1 stop

SYD1:35 p.m.Sydney Kingsford Smith

30 Dec

SYD9:20 a.m.Sydney Kingsford Smith

43h 10m

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

Oman Air flights from London to Sydney

Our best Oman Air deals on London to Sydney flight tickets

Oman Air

9 Aug

LHR8:50 p.m.London Heathrow

51h 50m

2 stops

SYD9:40 a.m.Sydney Kingsford Smith

15 Oct

SYD10:15 a.m.Sydney Kingsford Smith

30h 15m

2 stops

LHR6:30 a.m.London Heathrow

C$ 2,129

Oman Air

9 Aug

LHR8:25 a.m.London Heathrow

40h 35m

2 stops

SYD10:00 a.m.Sydney Kingsford Smith

22 Oct

SYD2:05 p.m.Sydney Kingsford Smith

26h 25m

2 stops

LHR6:30 a.m.London Heathrow

C$ 2,149

Oman Air

9 Aug

LHR8:50 p.m.London Heathrow

51h 50m

2 stops

SYD9:40 a.m.Sydney Kingsford Smith

23 Oct

SYD10:15 a.m.Sydney Kingsford Smith

42h 55m

2 stops

LHR7:10 p.m.London Heathrow

C$ 2,153

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 26/10

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

1 stop26h 00m

Sydney Kingsford Smith

Mon 9/11

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

1 stop31h 00m

C$ 1,680

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 7/11

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

1 stop29h 35m

Sydney Kingsford Smith

Thu 31/12

9:20 a.m.-5:30 p.m.

1 stop43h 10m

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

Tue 3/11

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

Sat 7/11

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

Thu 5/11

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

Fri 6/11

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 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

Layovers

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from C$ 1,861 to C$ 2,622.
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 November is also cheap. Prices for this month can be found on momondo for an average of C$ 1,719.

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

You are more likely to see cheaper flights to Sydney from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around C$ 1,995 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London for as low as C$ 1,849 on momondo.

How have London to Sydney flight prices changed over time?

As of July 2026, prices for London to Sydney flights are approximately 45% cheaper when compared to flights at the same time last year.

When to book flights from London to Sydney

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

Estimated round-trip price

Cheap London to Sydney (LON to SYD) flight deals and tips

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

Fastest flight time	32h 20m
Direct flights	None

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

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

Search flight deals

Frequently asked questions about flying from London to Sydney

How far is London to Sydney Kingsford Smith by plane?
There are 16983.0 km between London and Sydney Kingsford Smith. Flights usually cover this in 32h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Sydney Kingsford Smith Airport?
Prices for flights from London to Sydney Kingsford Smith Airport are updated daily.
How old do you have to be to fly from London to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Sydney?
momondo data reveals that the most frequently booked plane model on the route from London to Sydney is Airbus A380-800, representing 73.83% of all bookings. The subsequent popular models are Airbus A380 at 20.81%, Boeing 777-300ER at 3.36%, and Boeing 787-9 Dreamliner at 1.34%.

Charlestown

Parramatta

Bondi Beach

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Sydney . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from London to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from London.

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.