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

Etihad Airways and China Eastern 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 has the shortest travel time from London to Sydney?

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

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 June 2026. The most frequent departure time is 10:00p.m., with 100% of daily flights leaving in the evening.

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$ 1,599.

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.

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

20 flights are operational weekly from London to Sydney as of June 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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$ 904 Cheap Flights from London to Sydney in 2026

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$ 1,888 to C$ 1,344. The lowest price recently found on this route was C$ 1,610.

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$ 1,610China Eastern

Wed, 28 Oct - Sat, 14 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$ 1,612China Eastern

Sat, 14 Nov - Thu, 19 Nov

9:20 p.m. - 8:00 a.m.

LHR

SYD

49h 40m

2 stops

10:00 a.m. - 6:40 p.m.

SYD

LHR

41h 40m

2 stops

C$ 1,636China Eastern

Tue, 15 Sep - Sat, 3 Oct

7:30 p.m. - 10:20 a.m.

LHR

SYD

29h 50m

2 stops

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

SYD

LHR

27h 45m

2 stops

C$ 1,647Austrian Airlines

Tue, 22 Sep - Mon, 26 Oct

12:20 p.m. - 10:20 a.m.

LHR

SYD

37h 00m

2 stops

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

SYD

LHR

26h 45m

2 stops

C$ 1,648Austrian Airlines

Wed, 2 Sep - Mon, 12 Oct

7:30 p.m. - 10:20 a.m.

LHR

SYD

29h 50m

2 stops

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

SYD

LHR

27h 45m

2 stops

C$ 1,650Austrian Airlines

Tue, 22 Sep - Mon, 26 Oct

7:30 p.m. - 10:20 a.m.

LHR

SYD

29h 50m

2 stops

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

SYD

LHR

26h 45m

2 stops

C$ 1,652Austrian Airlines

Thu, 24 Sep - Tue, 13 Oct

9:20 p.m. - 9:00 a.m.

LHR

SYD

26h 40m

1 stop

12:00 p.m. - 6:40 p.m.

SYD

LHR

40h 40m

1 stop

C$ 1,676China Eastern

Sat, 29 Aug - Thu, 15 Oct

6:40 p.m. - 6:10 a.m.

LHR

SYD

26h 30m

2 stops

3:05 p.m. - 7:55 a.m.

SYD

LHR

26h 50m

2 stops

C$ 1,678SWISS

Tue, 15 Sep - Wed, 21 Oct

6:40 p.m. - 6:10 a.m.

LHR

SYD

26h 30m

2 stops

3:05 p.m. - 7:55 a.m.

SYD

LHR

26h 50m

2 stops

C$ 1,679SWISS

Sat, 5 Sep - Tue, 20 Oct

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China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets

China Eastern

28 Oct

LHR9:00 p.m.London Heathrow

26h 00m

1 stop

SYD10:00 a.m.Sydney Kingsford Smith

14 Nov

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,610

China Eastern

14 Nov

LHR9:00 p.m.London Heathrow

26h 00m

1 stop

SYD10:00 a.m.Sydney Kingsford Smith

18 Nov

SYD9:30 p.m.Sydney Kingsford Smith

31h 00m

1 stop

LHR5:30 p.m.London Heathrow

C$ 1,612

China Eastern

15 Sep

LHR9:20 p.m.London Heathrow

49h 40m

2 stops

SYD8:00 a.m.Sydney Kingsford Smith

3 Oct

SYD10:00 a.m.Sydney Kingsford Smith

41h 40m

2 stops

LHR6:40 p.m.London Heathrow

C$ 1,636

Austrian Airlines flights from London to Sydney

Our best Austrian Airlines deals on London to Sydney flight tickets

Austrian Airlines

22 Sep

LHR7:30 p.m.London Heathrow

29h 50m

2 stops

SYD10:20 a.m.Sydney Kingsford Smith

26 Oct

SYD3:35 p.m.Sydney Kingsford Smith

27h 45m

2 stops

LHR8:20 a.m.London Heathrow

C$ 1,647

Austrian Airlines

2 Sep

LHR12:20 p.m.London Heathrow

37h 00m

2 stops

SYD10:20 a.m.Sydney Kingsford Smith

12 Oct

SYD3:35 p.m.Sydney Kingsford Smith

26h 45m

2 stops

LHR8:20 a.m.London Heathrow

C$ 1,648

Austrian Airlines

16 Sep

LHR12:20 p.m.London Heathrow

37h 00m

2 stops

SYD10:20 a.m.Sydney Kingsford Smith

11 Oct

SYD3:35 p.m.Sydney Kingsford Smith

26h 45m

2 stops

LHR8:20 a.m.London Heathrow

C$ 1,650

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 28/10

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

1 stop26h 00m

Sydney Kingsford Smith

Sat 14/11

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

1 stop31h 00m

C$ 1,610

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 14/11

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

1 stop26h 00m

Sydney Kingsford Smith

Thu 19/11

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

1 stop31h 00m

C$ 1,612

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 15/9

9:20 p.m.-8:00 a.m.

2 stops49h 40m

Sydney Kingsford Smith

Sat 3/10

10:00 a.m.-6:40 p.m.

2 stops41h 40m

C$ 1,636

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 22/9

7:30 p.m.-10:20 a.m.

2 stops29h 50m

Sydney Kingsford Smith

Mon 26/10

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

2 stops27h 45m

C$ 1,647

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 2/9

12:20 p.m.-10:20 a.m.

2 stops37h 00m

Sydney Kingsford Smith

Mon 12/10

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

2 stops26h 45m

C$ 1,648

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 22/9

7:30 p.m.-10:20 a.m.

2 stops29h 50m

Sydney Kingsford Smith

Mon 26/10

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

2 stops27h 45m

C$ 1,650

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 24/9

7:30 p.m.-10:20 a.m.

2 stops29h 50m

Sydney Kingsford Smith

Tue 13/10

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

2 stops26h 45m

C$ 1,652

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 29/8

9:20 p.m.-9:00 a.m.

1 stop26h 40m

Sydney Kingsford Smith

Thu 15/10

12:00 p.m.-6:40 p.m.

1 stop40h 40m

C$ 1,676

Quickest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 15/9

6:40 p.m.-6:10 a.m.

2 stops26h 30m

Sydney Kingsford Smith

Wed 21/10

3:05 p.m.-7:55 a.m.

2 stops26h 50m

C$ 1,678

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 5/9

6:40 p.m.-6:10 a.m.

2 stops26h 30m

Sydney Kingsford Smith

Tue 20/10

3:05 p.m.-7:55 a.m.

2 stops26h 50m

C$ 1,679

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 June, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 1,588.

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$ 1,945 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$ 1,813 on momondo.

How have London to Sydney flight prices changed over time?

As of June 2026, prices for London to Sydney flights are approximately 5% more expensive 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	33h 00m
Direct flights	Wed
Airports in Sydney	1 airport

The fastest flight from London to Sydney takes 33h 00m

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

There is 1 airport in Sydney. From London there are direct flights to Sydney Kingsford Smith (SYD).

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 33h 00m, 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 68.55% of all bookings. The subsequent popular models are Airbus A380 at 25.81%, Boeing 777-300ER at 4.03%, and Boeing 787-9 Dreamliner at 1.61%.

Charlestown

Bondi Beach

Parramatta

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.