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$ 1,566.

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

21 flights are operational weekly from London to Sydney as of March 2026. 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 connection time from London to Sydney?

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

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 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?

Tianjin Airlines, China Eastern, and Etihad Airways 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 March 2026. 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$ 724 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$ 1,366 to C$ 1,994. The lowest price recently found on this route was C$ 1,299.

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Find the cheapest flights from London to Sydney

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

LHR

SYD

26h 40m

1 stop

10:05 a.m. - 6:40 p.m.

SYD

LHR

41h 35m

3 stops

C$ 1,299China Eastern

Sun, 10 May - Sun, 31 May

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

LHR

SYD

30h 00m

1 stop

5:20 p.m. - 8:00 p.m.

SYD

LHR

35h 40m

1 stop

C$ 1,303Tianjin Airlines

Sat, 9 May - Tue, 9 Jun

10:10 p.m. - 7:25 p.m.

LHR

SYD

36h 15m

1 stop

2:10 p.m. - 7:20 p.m.

SYD

LHR

38h 10m

1 stop

C$ 1,308China Southern

Mon, 27 Apr - Wed, 13 May

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

LHR

SYD

30h 00m

1 stop

5:20 p.m. - 8:00 p.m.

SYD

LHR

35h 40m

1 stop

C$ 1,312Tianjin Airlines

Sat, 25 Apr - Tue, 19 May

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

LHR

SYD

30h 00m

1 stop

5:20 p.m. - 8:00 p.m.

SYD

LHR

35h 40m

1 stop

C$ 1,319Tianjin Airlines

Sat, 25 Apr - Tue, 19 May

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

LHR

SYD

30h 00m

1 stop

5:20 p.m. - 8:00 p.m.

SYD

LHR

35h 40m

1 stop

C$ 1,322Tianjin Airlines

Sat, 25 Apr - Tue, 19 May

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

LHR

SYD

26h 40m

1 stop

11:00 a.m. - 6:40 p.m.

SYD

LHR

40h 40m

1 stop

C$ 1,330China Eastern

Sun, 10 May - Wed, 20 May

9:20 p.m. - 12:35 p.m.

LHR

SYD

30h 15m

1 stop

8:30 p.m. - 6:40 p.m.

SYD

LHR

31h 10m

1 stop

C$ 1,334China Eastern

Wed, 10 Jun - Sun, 14 Jun

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

LHR

SYD

26h 40m

1 stop

11:00 a.m. - 6:40 p.m.

SYD

LHR

40h 40m

1 stop

C$ 1,335China Eastern

Sun, 7 Jun - Sun, 5 Jul

9:20 p.m. - 12:35 p.m.

LHR

SYD

30h 15m

1 stop

11:00 a.m. - 6:40 p.m.

SYD

LHR

40h 40m

1 stop

C$ 1,338China Eastern

Mon, 11 May - Wed, 17 Jun

Air India flights from London to Sydney

Our best Air India deals on London to Sydney flight tickets

Air India

1 Jun

LHR1:15 p.m.London Heathrow

44h 10m

1 stop

SYD6:25 p.m.Sydney Kingsford Smith

15 Jun

SYD8:00 p.m.Sydney Kingsford Smith

33h 00m

1 stop

LHR8:00 p.m.London Heathrow

C$ 1,367

Air India

1 Jun

LHR1:15 p.m.London Heathrow

44h 10m

1 stop

SYD6:25 p.m.Sydney Kingsford Smith

14 Jun

SYD8:00 p.m.Sydney Kingsford Smith

24h 30m

1 stop

LHR11:30 a.m.London Heathrow

C$ 1,368

Air India

1 Jun

LHR1:15 p.m.London Heathrow

44h 10m

1 stop

SYD6:25 p.m.Sydney Kingsford Smith

15 Jun

SYD8:00 p.m.Sydney Kingsford Smith

24h 30m

1 stop

LHR11:30 a.m.London Heathrow

C$ 1,371

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets

China Eastern

10 May

LHR9:20 p.m.London Heathrow

26h 40m

1 stop

SYD9:00 a.m.Sydney Kingsford Smith

31 May

SYD10:05 a.m.Sydney Kingsford Smith

41h 35m

3 stops

LHR6:40 p.m.London Heathrow

C$ 1,299

China Eastern

10 May

LHR9:20 p.m.London Heathrow

26h 40m

1 stop

SYD9:00 a.m.Sydney Kingsford Smith

20 May

SYD11:00 a.m.Sydney Kingsford Smith

40h 40m

1 stop

LHR6:40 p.m.London Heathrow

C$ 1,330

China Eastern

10 Jun

LHR9:20 p.m.London Heathrow

30h 15m

1 stop

SYD12:35 p.m.Sydney Kingsford Smith

14 Jun

SYD8:30 p.m.Sydney Kingsford Smith

31h 10m

1 stop

LHR6:40 p.m.London Heathrow

C$ 1,334

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 10/5

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

1 stop26h 40m

Sydney Kingsford Smith

Sun 31/5

10:05 a.m.-6:40 p.m.

3 stops41h 35m

C$ 1,299

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 9/5

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

1 stop30h 00m

Sydney Kingsford Smith

Tue 9/6

5:20 p.m.-8:00 p.m.

1 stop35h 40m

C$ 1,303

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 27/4

10:10 p.m.-7:25 p.m.

1 stop36h 15m

Sydney Kingsford Smith

Wed 13/5

2:10 p.m.-7:20 p.m.

1 stop38h 10m

C$ 1,308

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 25/4

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

1 stop30h 00m

Sydney Kingsford Smith

Tue 19/5

5:20 p.m.-8:00 p.m.

1 stop35h 40m

C$ 1,312

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 25/4

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

1 stop30h 00m

Sydney Kingsford Smith

Tue 19/5

5:20 p.m.-8:00 p.m.

1 stop35h 40m

C$ 1,319

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 25/4

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

1 stop30h 00m

Sydney Kingsford Smith

Tue 19/5

5:20 p.m.-8:00 p.m.

1 stop35h 40m

C$ 1,322

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 10/5

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

1 stop26h 40m

Sydney Kingsford Smith

Wed 20/5

11:00 a.m.-6:40 p.m.

1 stop40h 40m

C$ 1,330

Quickest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 10/6

9:20 p.m.-12:35 p.m.

1 stop30h 15m

Sydney Kingsford Smith

Sun 14/6

8:30 p.m.-6:40 p.m.

1 stop31h 10m

C$ 1,334

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 7/6

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

1 stop26h 40m

Sydney Kingsford Smith

Sun 5/7

11:00 a.m.-6:40 p.m.

1 stop40h 40m

C$ 1,335

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 11/5

9:20 p.m.-12:35 p.m.

1 stop30h 15m

Sydney Kingsford Smith

Wed 17/6

11:00 a.m.-6:40 p.m.

1 stop40h 40m

C$ 1,338

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 June is also cheap. Prices for this month can be found on momondo for an average of C$ 1,519.

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$ 1,846 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$ 1,736 on momondo.

Can stopping save me money on London to Sydney flights?

You could potentially save up to 9% 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 March 2026, prices for London to Sydney flights are approximately 1% 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	26h 40m
Direct flights	None

The fastest flight from London to Sydney takes 26h 40m

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 26h 40m, 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 94.60% of all bookings. The subsequent popular models are Boeing 777-300ER at 3.81%, Boeing 787-9 Dreamliner at 1.27%, and Airbus A380 at 0.32%.

Parramatta

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.