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

China Southern, Tianjin Airlines, and China Airlines are the most popular carriers operating from London to Sydney Kingsford Smith

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.

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$ 1,600.

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

21 flights are operational weekly from London to Sydney as of October 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

Flights connecting via Bangkok (BKK) have the shortest average one-way travel time: 23h 00m.

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

The number of flights available between London and Sydney is 3 per day as of October 2025. The most frequent departure time is 9:00p.m., with 100% of daily flights leaving in the evening.

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

Bangkok (BKK) has the shortest average layover time for this route: 2h 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$ 861 Cheap Flights from London to Sydney in 2025/26

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

Prices are currently typical for flights on this route. Typical prices usually range from C$ 1,375 to C$ 1,865. The lowest price recently found on this route was C$ 1,505.

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9:15 p.m. - 12:15 p.m.LHR-SYD

28h 00m1 stop

10:10 p.m. - 4:55 p.m.SYD-LHR

29h 45m1 stop

C$ 1,505China Airlines

Find Deal

Fri, 27 Feb - Mon, 23 Mar

9:15 p.m. - 12:15 p.m.LHR-SYD

28h 00m1 stop

10:10 p.m. - 4:55 p.m.SYD-LHR

29h 45m1 stop

C$ 1,506China Airlines

Find Deal

Wed, 25 Feb - Fri, 27 Mar

9:15 p.m. - 12:15 p.m.LHR-SYD

28h 00m1 stop

10:10 p.m. - 4:55 p.m.SYD-LHR

29h 45m1 stop

C$ 1,527China Airlines

Find Deal

Wed, 4 Feb - Tue, 24 Feb

9:15 p.m. - 12:15 p.m.LHR-SYD

28h 00m1 stop

10:10 p.m. - 4:55 p.m.SYD-LHR

29h 45m1 stop

C$ 1,548China Airlines

Find Deal

Mon, 2 Feb - Fri, 27 Feb

8:50 a.m. - 5:55 p.m.LHR-SYD

22h 05m1 stop

9:30 p.m. - 6:40 a.m.SYD-LHR

44h 10m1 stop

C$ 1,566Etihad Airways

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Sun, 30 Nov - Tue, 9 Dec

8:55 p.m. - 6:35 a.m.LHR-SYD

22h 40m1 stop

9:30 p.m. - 12:05 p.m.SYD-LHR

25h 35m1 stop

C$ 1,568Etihad Airways

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Wed, 3 Dec - Fri, 6 Mar

5:50 p.m. - 12:00 p.m.LHR-SYD

31h 10m1 stop

3:15 p.m. - 3:00 p.m.SYD-LHR

34h 45m1 stop

C$ 1,652Cathay Pacific

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Thu, 26 Feb - Sun, 22 Mar

9:30 p.m. - 6:50 a.m.LHR-SYD

22h 20m1 stop

3:50 p.m. - 5:55 a.m.SYD-LHR

25h 05m1 stop

C$ 1,653Qatar Airways

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Tue, 3 Mar - Wed, 18 Mar

8:40 a.m. - 6:50 p.m.LHR-SYD

23h 10m1 stop

9:40 p.m. - 2:00 p.m.SYD-LHR

27h 20m1 stop

C$ 1,668British Airways

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Mon, 2 Mar - Thu, 12 Mar

6:20 p.m. - 6:10 a.m.LHR-SYD

26h 50m1 stop

9:50 p.m. - 6:15 p.m.SYD-LHR

29h 25m1 stop

C$ 1,671Cathay Pacific

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Wed, 8 Apr - Mon, 11 May

China Airlines flights from London to Sydney

Our best China Airlines deals on London to Sydney flight tickets

China Airlines

27 Feb

LHR9:15 p.m.London Heathrow

28h 00m

1 stop

SYD12:15 p.m.Sydney Kingsford Smith

23 Mar

SYD10:10 p.m.Sydney Kingsford Smith

29h 45m

1 stop

LHR4:55 p.m.London Heathrow

C$ 1,505

Find similar

China Airlines

25 Feb

LHR9:15 p.m.London Heathrow

28h 00m

1 stop

SYD12:15 p.m.Sydney Kingsford Smith

27 Mar

SYD10:10 p.m.Sydney Kingsford Smith

29h 45m

1 stop

LHR4:55 p.m.London Heathrow

C$ 1,506

Find similar

China Airlines

4 Feb

LHR9:15 p.m.London Heathrow

28h 00m

1 stop

SYD12:15 p.m.Sydney Kingsford Smith

24 Feb

SYD10:10 p.m.Sydney Kingsford Smith

29h 45m

1 stop

LHR4:55 p.m.London Heathrow

C$ 1,527

Find similar

Cathay Pacific flights from London to Sydney

Our best Cathay Pacific deals on London to Sydney flight tickets

Cathay Pacific

26 Feb

LHR5:50 p.m.London Heathrow

31h 10m

1 stop

SYD12:00 p.m.Sydney Kingsford Smith

22 Mar

SYD3:15 p.m.Sydney Kingsford Smith

34h 45m

1 stop

LHR3:00 p.m.London Heathrow

C$ 1,652

Find similar

Cathay Pacific

8 Apr

LHR6:20 p.m.London Heathrow

26h 50m

1 stop

SYD6:10 a.m.Sydney Kingsford Smith

11 May

SYD9:50 p.m.Sydney Kingsford Smith

29h 25m

1 stop

LHR6:15 p.m.London Heathrow

C$ 1,671

Find similar

Cathay Pacific

5 Feb

LHR5:50 p.m.London Heathrow

26h 25m

1 stop

SYD7:15 a.m.Sydney Kingsford Smith

25 Feb

SYD10:20 p.m.Sydney Kingsford Smith

30h 00m

1 stop

LHR5:20 p.m.London Heathrow

C$ 1,707

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 27/2

9:15 p.m.-12:15 p.m.

1 stop28h 00m

Sydney Kingsford Smith

Mon 23/3

10:10 p.m.-4:55 p.m.

1 stop29h 45m

C$ 1,505

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 25/2

9:15 p.m.-12:15 p.m.

1 stop28h 00m

Sydney Kingsford Smith

Fri 27/3

10:10 p.m.-4:55 p.m.

1 stop29h 45m

C$ 1,506

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/2

9:15 p.m.-12:15 p.m.

1 stop28h 00m

Sydney Kingsford Smith

Tue 24/2

10:10 p.m.-4:55 p.m.

1 stop29h 45m

C$ 1,527

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 2/2

9:15 p.m.-12:15 p.m.

1 stop28h 00m

Sydney Kingsford Smith

Fri 27/2

10:10 p.m.-4:55 p.m.

1 stop29h 45m

C$ 1,548

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 30/11

8:50 a.m.-5:55 p.m.

1 stop22h 05m

Sydney Kingsford Smith

Tue 9/12

9:30 p.m.-6:40 a.m.

1 stop44h 10m

C$ 1,566

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 3/12

8:55 p.m.-6:35 a.m.

1 stop22h 40m

Sydney Kingsford Smith

Fri 6/3

9:30 p.m.-12:05 p.m.

1 stop25h 35m

C$ 1,568

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 26/2

5:50 p.m.-12:00 p.m.

1 stop31h 10m

Sydney Kingsford Smith

Sun 22/3

3:15 p.m.-3:00 p.m.

1 stop34h 45m

C$ 1,652

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/3

9:30 p.m.-6:50 a.m.

1 stop22h 20m

Sydney Kingsford Smith

Wed 18/3

3:50 p.m.-5:55 a.m.

1 stop25h 05m

C$ 1,653

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 2/3

8:40 a.m.-6:50 p.m.

1 stop23h 10m

Sydney Kingsford Smith

Thu 12/3

9:40 p.m.-2:00 p.m.

1 stop27h 20m

C$ 1,668

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 8/4

6:20 p.m.-6:10 a.m.

1 stop26h 50m

Sydney Kingsford Smith

Mon 11/5

9:50 p.m.-6:15 p.m.

1 stop29h 25m

C$ 1,671

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?

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 March is also cheap. Prices for this month can be found on momondo for an average of C$ 1,572.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from London to Sydney is on a Wednesday when prices can be found for as low as C$ 1,995. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,840.

How far in advance should I book a flight 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$ 1,863 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$ 1,589 on momondo.

Can stopping save me money on London to Sydney flights?

You could potentially save up to 32% on your flight if you consider stops on a London to Sydney flight.

How have London to Sydney flight prices changed over time?

As of October 2025, prices for London to Sydney flights are approximately 16% 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

Direct flights	None

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

Search flight deals

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 22h 05m, 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 80.78% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 10.75%, Boeing 777-300ER at 6.51%, and Airbus A380 at 1.95%.

Wollongong

Penrith

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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Australia

Cheap flights from London to Sydney from C$ 861

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Sydney departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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China Airlines flights from London to Sydney

Our best China Airlines deals on London to Sydney flight tickets

Cathay Pacific flights from London to Sydney

Our best Cathay Pacific deals on London to Sydney flight tickets

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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

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

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 March is also cheap. Prices for this month can be found on momondo for an average of C$ 1,572.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from London to Sydney is on a Wednesday when prices can be found for as low as C$ 1,995. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,840.

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

Can stopping save me money on London to Sydney flights?

You could potentially save up to 32% on your flight if you consider stops on a London to Sydney flight.

How have London to Sydney flight prices changed over time?

As of October 2025, prices for London to Sydney flights are approximately 16% cheaper when compared to flights at the same time last year.

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

China Southern, Tianjin Airlines, and China Airlines are the most popular carriers operating from London to Sydney Kingsford Smith

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.

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$ 1,600.

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

Flights connecting via Bangkok (BKK) have the shortest average one-way travel time: 23h 00m.

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

Bangkok (BKK) has the shortest average layover time for this route: 2h 33m.

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

The number of flights available between London and Sydney is 3 per day as of October 2025. The most frequent departure time is 9:00p.m., with 100% of daily flights leaving in the evening.

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

21 flights are operational weekly from London to Sydney as of October 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

When to book flights from London to Sydney

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

Direct flights

How far is London to Sydney Kingsford Smith by plane?

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

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

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

What is the most popular plane model from London to Sydney?

Travelling to a place near Sydney?

Why use momondo?

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

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

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

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

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Fly your favourite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo