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Cheap flights from London Heathrow Airport to Sydney from €552

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 Heathrow Airport to Sydney departing on 17/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
21:00 - 10:00
LHR
-
SYD
26h 00m
1 stop
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
€886China Eastern
Wed, 28 Oct - Sun, 15 Nov
China Eastern Logo
21:20 - 12:35
LHR
-
SYD
30h 15m
1 stop
China Eastern Logo
11:05 - 18:40
SYD
-
LHR
41h 35m
3 stops
€893China Eastern
Wed, 16 Sep - Wed, 21 Oct
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
2 stops
China Eastern Logo
11:05 - 18:40
SYD
-
LHR
41h 35m
3 stops
€899China Eastern
Wed, 16 Sep - Wed, 21 Oct
China Eastern Logo
21:00 - 13:35
LHR
-
SYD
29h 35m
1 stop
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
€920China Eastern
Sun, 25 Oct - Mon, 16 Nov
China Eastern Logo
21:00 - 10:00
LHR
-
SYD
26h 00m
1 stop
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
€921China Eastern
Wed, 28 Oct - Tue, 10 Nov
China Eastern Logo
21:20 - 10:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
€948China Eastern
Sun, 18 Oct - Thu, 12 Nov
China Eastern Logo
21:00 - 10:00
LHR
-
SYD
26h 00m
1 stop
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
€949China Eastern
Tue, 27 Oct - Tue, 17 Nov
China Eastern Logo
21:20 - 10:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
€950China Eastern
Sun, 18 Oct - Thu, 12 Nov
China Eastern Logo
21:20 - 12:35
LHR
-
SYD
30h 15m
1 stop
China Eastern Logo
11:00 - 18:40
SYD
-
LHR
40h 40m
1 stop
€952China Eastern
Sat, 13 Jun - Tue, 16 Jun
China Eastern Logo
21:20 - 09:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
10:00 - 18:40
SYD
-
LHR
41h 40m
2 stops
€954China Eastern
Wed, 9 Sep - Sat, 3 Oct

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Air India flights from London Heathrow Airport to Sydney

Our best Air India deals on London Heathrow Airport to Sydney flight tickets
Air India
15 Sept
LHR21:45London Heathrow
35h 40m
1 stop
SYD18:25Sydney Kingsford Smith
25 Sept
SYD20:00Sydney Kingsford Smith
32h 00m
1 stop
LHR19:00London Heathrow
€1,001
Air India
19 Sept
LHR13:15London Heathrow
44h 10m
1 stop
SYD18:25Sydney Kingsford Smith
11 Oct
SYD21:00Sydney Kingsford Smith
32h 00m
1 stop
LHR19:00London Heathrow
€1,002
Air India
19 Sept
LHR20:45London Heathrow
36h 40m
1 stop
SYD18:25Sydney Kingsford Smith
11 Oct
SYD21:00Sydney Kingsford Smith
24h 30m
1 stop
LHR11:30London Heathrow
€1,005

Tianjin Airlines flights from London Heathrow Airport to Sydney

Our best Tianjin Airlines deals on London Heathrow Airport to Sydney flight tickets
Tianjin Airlines
12 Sept
LHR21:30London Heathrow
30h 00m
1 stop
SYD12:30Sydney Kingsford Smith
6 Oct
SYD18:20Sydney Kingsford Smith
35h 40m
1 stop
LHR20:00London Heathrow
€1,023
Tianjin Airlines
12 Sept
LHR21:30London Heathrow
30h 00m
1 stop
SYD12:30Sydney Kingsford Smith
6 Oct
SYD18:20Sydney Kingsford Smith
35h 40m
1 stop
LHR20:00London Heathrow
€1,025
Tianjin Airlines
12 Sept
LHR21:30London Heathrow
30h 00m
1 stop
SYD12:30Sydney Kingsford Smith
6 Oct
SYD18:20Sydney Kingsford Smith
35h 40m
1 stop
LHR20:00London Heathrow
€1,030

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 3 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 28/10

21:00-10:00

1 stop26h 00m

Sydney Kingsford Smith

Sun 15/11

21:30-17:30

1 stop31h 00m

€886

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 16/9

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Wed 21/10

11:05-18:40

3 stops41h 35m

€893

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 16/9

21:20-08:00

2 stops49h 40m

Sydney Kingsford Smith

Wed 21/10

11:05-18:40

3 stops41h 35m

€899

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 25/10

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Mon 16/11

21:30-17:30

1 stop31h 00m

€920

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 28/10

21:00-10:00

1 stop26h 00m

Sydney Kingsford Smith

Tue 10/11

21:30-17:30

1 stop31h 00m

€921

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 18/10

21:20-10:00

1 stop26h 40m

Sydney Kingsford Smith

Thu 12/11

21:30-17:30

1 stop31h 00m

€948

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 27/10

21:00-10:00

1 stop26h 00m

Sydney Kingsford Smith

Tue 17/11

21:30-17:30

1 stop31h 00m

€949

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 18/10

21:20-10:00

1 stop26h 40m

Sydney Kingsford Smith

Thu 12/11

21:30-17:30

1 stop31h 00m

€950

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 13/6

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Tue 16/6

11:00-18:40

1 stop40h 40m

€952

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 9/9

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Sat 3/10

10:00-18:40

2 stops41h 40m

€954

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport and Sydney?

What is the cheapest month to fly to Sydney?

The month of September is another great option to travel to Sydney, with average flight prices from London Heathrow Airport averaging around €1,001.

What is the cheapest London Heathrow to Sydney Kingsford Smith flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best London Heathrow - Sydney Kingsford Smith flight prices

How far in advance should I book a flight from London Heathrow Airport to Sydney?

You are more likely to see cheaper flights to Sydney from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around €1,161 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London Heathrow Airport for as low as €1,091 on momondo.

Can stopping save me money on London Heathrow Airport to Sydney flights?

You could potentially save up to 33% on your flight if you consider stops on a London Heathrow Airport to Sydney flight.

How have London Heathrow Airport to Sydney flight prices changed over time?

As of May 2026, prices for London Heathrow Airport to Sydney flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Sydney (LHR to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sydney

Fastest flight time

22h 40m

Direct flights

Mon, Sat and Sun

Airports in Sydney

1 airport
The fastest flight from London Heathrow Airport to Sydney takes 22h 40m
Direct flights go from London Heathrow Airport to Sydney on Monday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport in Sydney. From London Heathrow Airport there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Sydney

  • How far is London Heathrow to Sydney Kingsford Smith by plane?

    London Heathrow and Sydney Kingsford Smith are 17004.5 km apart from one another. Typically, this will take 22h 40m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Sydney Kingsford Smith Airport.

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

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

  • What is the most popular airline from London Heathrow Airport to Sydney?

Best airlines flying from London Heathrow Airport to Sydney

Compare and see reviews for airlines that fly from London Heathrow Airport to Sydney with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom €634Free CancellationRating
7.4
151 reviews
Search China Southern flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Coogee
Randwick
Terrigal

Why use momondo?

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

It is quick and easy to find London to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo allows you to filter the results for London to Sydney flights to just show those with flexible booking policies.

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

Once all potential London to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

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China Southern