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.

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

Hong Kong (HKG) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

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

21 flights are operational weekly from London to Sydney as of September 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 offers the lowest fares from London to Sydney?

Flights via Beijing (PEK) offer the lowest average round-trip price of C$ 1,037.

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 September 2025. The most frequent departure time is 9:00p.m., with 100% of daily flights leaving in the evening.

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

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

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$ 801 Cheap Flights from London to Sydney in 2025

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Find the cheapest flights from London to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

2:50 p.m. - 11:55 a.m.LHR-SYD

34h 05m2 stops

3:35 p.m. - 8:20 a.m.SYD-LHR

27h 45m2 stops

C$ 1,514Austrian Airlines

Find Deal

Fri, 6 Mar - Mon, 16 Mar

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

34h 00m1 stop

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

25h 35m1 stop

C$ 1,539Etihad Airways

Find Deal

Wed, 5 Nov - Thu, 20 Nov

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

34h 00m1 stop

4:35 p.m. - 12:05 p.m.SYD-LHR

30h 30m1 stop

C$ 1,543Etihad Airways

Find Deal

Sun, 1 Mar - Wed, 18 Mar

11:00 a.m. - 9:50 a.m.LHR-SYD

35h 50m1 stop

10:15 a.m. - 4:55 p.m.SYD-LHR

39h 40m1 stop

C$ 1,559Vietnam Airlines

Find Deal

Tue, 2 Dec - Wed, 10 Jun

7:25 p.m. - 11:55 a.m.LHR-SYD

29h 30m2 stops

3:35 p.m. - 2:05 p.m.SYD-LHR

33h 30m2 stops

C$ 1,561Austrian Airlines

Find Deal

Sat, 7 Mar - Mon, 16 Mar

11:00 a.m. - 1:15 p.m.LHR-SYD

39h 15m1 stop

10:15 a.m. - 5:50 p.m.SYD-LHR

40h 35m1 stop

C$ 1,581Vietnam Airlines

Find Deal

Mon, 1 Dec - Mon, 8 Jun

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$ 1,625China Airlines

Find Deal

Wed, 4 Feb - Mon, 23 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$ 1,626China Airlines

Find Deal

Sat, 31 Jan - Sun, 15 Feb

5:45 p.m. - 7:40 a.m.LHR-SYD

26h 55m2 stops

9:15 p.m. - 4:00 p.m.SYD-LHR

29h 45m1 stop

C$ 1,629Turkish Airlines

Find Deal

Sun, 1 Feb - Sun, 22 Feb

5:45 p.m. - 7:40 a.m.LHR-SYD

26h 55m2 stops

9:15 p.m. - 10:25 p.m.SYD-LHR

36h 10m2 stops

C$ 1,665Turkish Airlines

Find Deal

Sun, 8 Mar - Sun, 22 Mar

Vietnam Airlines flights from London to Sydney

Our best Vietnam Airlines deals on London to Sydney flight tickets

Vietnam Airlines

2 Dec

LHR11:00 a.m.London Heathrow

35h 50m

1 stop

SYD9:50 a.m.Sydney Kingsford Smith

10 Jun

SYD10:15 a.m.Sydney Kingsford Smith

39h 40m

1 stop

LHR4:55 p.m.London Heathrow

C$ 1,559

Find similar

Vietnam Airlines

1 Dec

LHR11:00 a.m.London Heathrow

39h 15m

1 stop

SYD1:15 p.m.Sydney Kingsford Smith

8 Jun

SYD10:15 a.m.Sydney Kingsford Smith

40h 35m

1 stop

LHR5:50 p.m.London Heathrow

C$ 1,581

Find similar

Vietnam Airlines

6 Dec

LHR11:00 a.m.London Heathrow

35h 50m

1 stop

SYD9:50 a.m.Sydney Kingsford Smith

8 Jun

SYD10:15 a.m.Sydney Kingsford Smith

40h 35m

1 stop

LHR5:50 p.m.London Heathrow

C$ 1,622

Find similar

Cathay Pacific flights from London to Sydney

Our best Cathay Pacific deals on London to Sydney flight tickets

Cathay Pacific

27 Oct

LHR5:50 p.m.London Heathrow

26h 25m

1 stop

SYD7:15 a.m.Sydney Kingsford Smith

10 Nov

SYD10:20 p.m.Sydney Kingsford Smith

30h 00m

1 stop

LHR5:20 p.m.London Heathrow

C$ 1,653

Find similar

Cathay Pacific

5 Nov

LHR11:00 a.m.London Heathrow

22h 50m

1 stop

SYD8:50 p.m.Sydney Kingsford Smith

23 Nov

SYD10:20 p.m.Sydney Kingsford Smith

27h 40m

1 stop

LHR3:00 p.m.London Heathrow

C$ 1,658

Find similar

Cathay Pacific

18 Sep

LHR8:10 p.m.London Heathrow

27h 30m

1 stop

SYD8:40 a.m.Sydney Kingsford Smith

9 Oct

SYD10:20 p.m.Sydney Kingsford Smith

26h 55m

1 stop

LHR3:15 p.m.London Heathrow

C$ 1,924

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 6/3

2:50 p.m.-11:55 a.m.

2 stops34h 05m

Sydney Kingsford Smith

Mon 16/3

3:35 p.m.-8:20 a.m.

2 stops27h 45m

C$ 1,514

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 5/11

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

1 stop34h 00m

Sydney Kingsford Smith

Thu 20/11

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

1 stop25h 35m

C$ 1,539

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 1/3

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

1 stop34h 00m

Sydney Kingsford Smith

Wed 18/3

4:35 p.m.-12:05 p.m.

1 stop30h 30m

C$ 1,543

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 2/12

11:00 a.m.-9:50 a.m.

1 stop35h 50m

Sydney Kingsford Smith

Wed 10/6

10:15 a.m.-4:55 p.m.

1 stop39h 40m

C$ 1,559

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 7/3

7:25 p.m.-11:55 a.m.

2 stops29h 30m

Sydney Kingsford Smith

Mon 16/3

3:35 p.m.-2:05 p.m.

2 stops33h 30m

C$ 1,561

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 1/12

11:00 a.m.-1:15 p.m.

1 stop39h 15m

Sydney Kingsford Smith

Mon 8/6

10:15 a.m.-5:50 p.m.

1 stop40h 35m

C$ 1,581

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/2

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

1 stop28h 00m

Sydney Kingsford Smith

Mon 23/2

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

1 stop29h 45m

C$ 1,625

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 31/1

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

1 stop28h 00m

Sydney Kingsford Smith

Sun 15/2

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

1 stop29h 45m

C$ 1,626

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 1/2

5:45 p.m.-7:40 a.m.

2 stops26h 55m

Sydney Kingsford Smith

Sun 22/2

9:15 p.m.-4:00 p.m.

1 stop29h 45m

C$ 1,629

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 8/3

5:45 p.m.-7:40 a.m.

2 stops26h 55m

Sydney Kingsford Smith

Sun 22/3

9:15 p.m.-10:25 p.m.

2 stops36h 10m

C$ 1,665

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$ 1,545.

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$ 1,978. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,816.

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$ 1,838 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$ 1,500 on momondo.

Can stopping save me money on London to Sydney flights?

You could potentially save up to 11% 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 September 2025, prices for London to Sydney flights are approximately 12% 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	23h 20m
Direct flights	Sun
Airports in Sydney	1 airport

The fastest flight from London to Sydney takes 23h 20m

Direct flights go from London to Sydney on Sunday. There are no airlines offering direct flights.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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 67.37% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 18.68%, Boeing 777-300ER at 13.42%, and Airbus A380 at 0.53%.

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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Cheap flights from London to Sydney from C$ 801

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 26/10. 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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Big names, great deals

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Filter for what you want

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Find the cheapest flights from London to Sydney

Cheap round-trip flights

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Vietnam Airlines flights from London to Sydney

Our best Vietnam 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$ 1,545.

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$ 1,978. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,816.

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 11% 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 September 2025, prices for London to Sydney flights are approximately 12% cheaper when compared to flights at the same time last year.

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

Tianjin Airlines, China Eastern, and Etihad Airways 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: 50% 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 Beijing (PEK) offer the lowest average round-trip price of C$ 1,037.

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 September 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 September 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

Fastest flight time

Direct flights

Airports in Sydney

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