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

Flights via Beijing (PEK) offer the lowest average round-trip price of C$ 1,032.

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?

Bangkok (BKK) 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 July 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

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

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

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$ 717 Cheap Flights from London to Sydney in 2025

Q: 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$ 1,658 to C$ 2,390. The lowest price recently found on this route was C$ 1,502.

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Find the cheapest flights from London to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 a.m. - 11:50 a.m.LHR-SYD

42h 50m2 stops

3:15 p.m. - 1:00 p.m.SYD-LHR

32h 45m2 stops

C$ 1,502SWISS

Find Deal

Mon, 3 Nov - Wed, 19 Nov

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

25h 35m2 stops

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

27h 50m2 stops

C$ 1,527SWISS

Find Deal

Thu, 6 Nov - Wed, 19 Nov

6:55 p.m. - 12:15 p.m.LHR-SYD

32h 20m1 stop

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

40h 35m1 stop

C$ 1,542Vietnam Airlines

Find Deal

Mon, 1 Sep - Mon, 4 May

11:30 a.m. - 7:15 a.m.LHR-SYD

32h 45m2 stops

4:10 p.m. - 5:50 p.m.SYD-LHR

36h 40m2 stops

C$ 1,549Lufthansa

Find Deal

Mon, 8 Dec - Thu, 12 Feb

10:15 p.m. - 12:00 p.m.LHR-SYD

27h 45m1 stop

8:45 a.m. - 6:20 a.m.SYD-LHR

32h 35m1 stop

C$ 1,557Cathay Pacific

Find Deal

Sat, 25 Oct - Wed, 12 Nov

8:15 p.m. - 12:00 p.m.LHR-SYD

28h 45m1 stop

10:20 p.m. - 5:20 p.m.SYD-LHR

30h 00m1 stop

C$ 1,560Cathay Pacific

Find Deal

Wed, 29 Oct - Mon, 17 Nov

3:30 p.m. - 7:15 a.m.LHR-SYD

28h 45m2 stops

4:10 p.m. - 12:50 p.m.SYD-LHR

31h 40m2 stops

C$ 1,561Lufthansa

Find Deal

Mon, 8 Dec - Thu, 12 Feb

7:50 p.m. - 8:15 a.m.LHR-SYD

27h 25m1 stop

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

39h 40m1 stop

C$ 1,566Vietnam Airlines

Find Deal

Tue, 26 Aug - Wed, 6 May

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$ 1,596China Airlines

Find Deal

Wed, 29 Oct - Tue, 2 Dec

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$ 1,599China Airlines

Find Deal

Mon, 3 Nov - Tue, 25 Nov

Lufthansa flights from London to Sydney

Our best Lufthansa deals on London to Sydney flight tickets

Lufthansa

8 Dec

LHR11:30 a.m.London Heathrow

32h 45m

2 stops

SYD7:15 a.m.Sydney Kingsford Smith

12 Feb

SYD4:10 p.m.Sydney Kingsford Smith

36h 40m

2 stops

LHR5:50 p.m.London Heathrow

C$ 1,549

Find similar

Lufthansa

8 Dec

LHR3:30 p.m.London Heathrow

28h 45m

2 stops

SYD7:15 a.m.Sydney Kingsford Smith

12 Feb

SYD4:10 p.m.Sydney Kingsford Smith

31h 40m

2 stops

LHR12:50 p.m.London Heathrow

C$ 1,561

Find similar

Lufthansa

8 Dec

LHR5:30 p.m.London Heathrow

26h 45m

2 stops

SYD7:15 a.m.Sydney Kingsford Smith

7 Feb

SYD3:15 p.m.Sydney Kingsford Smith

27h 30m

2 stops

LHR7:45 a.m.London Heathrow

C$ 1,574

Find similar

Finnair flights from London to Sydney

Our best Finnair deals on London to Sydney flight tickets

Finnair

4 Aug

LHR9:30 a.m.London Heathrow

59h 55m

2 stops

SYD6:25 a.m.Sydney Kingsford Smith

10 Aug

SYD10:20 a.m.Sydney Kingsford Smith

31h 50m

2 stops

LHR9:10 a.m.London Heathrow

C$ 2,804

Find similar

Finnair

4 Aug

LHR6:10 p.m.London Heathrow

51h 15m

2 stops

SYD6:25 a.m.Sydney Kingsford Smith

11 Aug

SYD12:45 p.m.Sydney Kingsford Smith

35h 25m

2 stops

LHR3:10 p.m.London Heathrow

C$ 2,917

Find similar

Finnair

11 Aug

LHR6:10 p.m.London Heathrow

51h 15m

2 stops

SYD6:25 a.m.Sydney Kingsford Smith

20 Aug

SYD10:20 a.m.Sydney Kingsford Smith

37h 50m

2 stops

LHR3:10 p.m.London Heathrow

C$ 2,999

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/11

6:00 a.m.-11:50 a.m.

2 stops42h 50m

Sydney Kingsford Smith

Wed 19/11

3:15 p.m.-1:00 p.m.

2 stops32h 45m

C$ 1,502

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 6/11

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

2 stops25h 35m

Sydney Kingsford Smith

Wed 19/11

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

2 stops27h 50m

C$ 1,527

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 1/9

6:55 p.m.-12:15 p.m.

1 stop32h 20m

Sydney Kingsford Smith

Mon 4/5

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

1 stop40h 35m

C$ 1,542

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 8/12

11:30 a.m.-7:15 a.m.

2 stops32h 45m

Sydney Kingsford Smith

Thu 12/2

4:10 p.m.-5:50 p.m.

2 stops36h 40m

C$ 1,549

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 25/10

10:15 p.m.-12:00 p.m.

1 stop27h 45m

Sydney Kingsford Smith

Wed 12/11

8:45 a.m.-6:20 a.m.

1 stop32h 35m

C$ 1,557

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 29/10

8:15 p.m.-12:00 p.m.

1 stop28h 45m

Sydney Kingsford Smith

Mon 17/11

10:20 p.m.-5:20 p.m.

1 stop30h 00m

C$ 1,560

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 8/12

3:30 p.m.-7:15 a.m.

2 stops28h 45m

Sydney Kingsford Smith

Thu 12/2

4:10 p.m.-12:50 p.m.

2 stops31h 40m

C$ 1,561

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 26/8

7:50 p.m.-8:15 a.m.

1 stop27h 25m

Sydney Kingsford Smith

Wed 6/5

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

1 stop39h 40m

C$ 1,566

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 29/10

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

1 stop28h 00m

Sydney Kingsford Smith

Tue 2/12

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

1 stop29h 45m

C$ 1,596

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/11

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

1 stop28h 00m

Sydney Kingsford Smith

Tue 25/11

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

1 stop29h 45m

C$ 1,599

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$ 1,531.

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$ 1,969. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,803.

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$ 1,830 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$ 1,531 on momondo.

Can stopping save me money on London to Sydney flights?

You could potentially save up to 19% 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 July 2025, prices for London to Sydney flights are approximately 10% 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

Best price found	C$ 717
Fastest flight time	22h 25m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from London in the past 72 hours is C$ 717. The best round-trip flight deal from London to Sydney found on momondo in the last 72 hours is C$ 1,502.

The fastest flight from London to Sydney takes 22h 25m

There are no direct flights from London to Sydney. Popular non-direct route for this connection is London Heathrow Airport - Sydney Kingsford Smith Airport.

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 23h 30m, 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 60.59% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 26.11% and Boeing 777-300ER at 13.30%.

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$ 717

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 12/9. 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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Cheap round-trip flights

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Lufthansa flights from London to Sydney

Our best Lufthansa deals on London to Sydney flight tickets

Finnair flights from London to Sydney

Our best Finnair 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$ 1,531.

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$ 1,969. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,803.

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 19% 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 July 2025, prices for London to Sydney flights are approximately 10% cheaper when compared to flights at the same time last year.

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

Air China, Tianjin Airlines, and China Southern 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?

Bangkok (BKK) 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$ 1,032.

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 July 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 July 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

Best price found

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