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Cheap flights from London Heathrow Airport to Sydney from €460

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 6/5. 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
1 adult, Economy, 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
21:20 - 12:35
LHR
-
SYD
30h 15m
1 stop
China Eastern Logo
20:30 - 18:40
SYD
-
LHR
31h 10m
1 stop
€841China Eastern
Wed, 3 Jun - Sun, 14 Jun
Air China Logo
22:40 - 14:50
LHR
-
SYD
31h 10m
1 stop
Air China Logo
19:40 - 20:25
SYD
-
LHR
33h 45m
1 stop
€843Air China
Tue, 12 May - Sun, 21 Jun
China Eastern Logo
21:20 - 09:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
11:00 - 18:40
SYD
-
LHR
40h 40m
1 stop
€844China Eastern
Sun, 10 May - Wed, 20 May
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
€846China Eastern
Wed, 3 Jun - Tue, 16 Jun
China Eastern Logo
21:20 - 12:35
LHR
-
SYD
30h 15m
1 stop
China Eastern Logo
10:00 - 18:40
SYD
-
LHR
41h 40m
2 stops
€847China Eastern
Mon, 27 Apr - Mon, 18 May
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
3 stops
China Eastern Logo
10:05 - 18:40
SYD
-
LHR
65h 35m
3 stops
€848China Eastern
Sun, 26 Apr - Sun, 17 May
China Eastern Logo
21:20 - 12:35
LHR
-
SYD
30h 15m
1 stop
China Eastern Logo
20:30 - 18:40
SYD
-
LHR
31h 10m
1 stop
€849China Eastern
Mon, 11 May - Mon, 15 Jun
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
2 stops
China Eastern Logo
11:00 - 18:40
SYD
-
LHR
40h 40m
1 stop
€850China Eastern
Mon, 11 May - Fri, 22 May
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
3 stops
China Eastern Logo
20:30 - 18:40
SYD
-
LHR
31h 10m
1 stop
€852China Eastern
Thu, 4 Jun - Sun, 7 Jun
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
2 stops
China Eastern Logo
10:00 - 18:40
SYD
-
LHR
41h 40m
2 stops
€853China Eastern
Mon, 4 May - Sat, 16 May

Air China flights from London Heathrow Airport to Sydney

Our best Air China deals on London Heathrow Airport to Sydney flight tickets
Air China
12 May
LHR22:40London Heathrow
31h 10m
1 stop
SYD14:50Sydney Kingsford Smith
21 Jun
SYD19:40Sydney Kingsford Smith
33h 45m
1 stop
LHR20:25London Heathrow
€843
Air China
12 May
LHR22:40London Heathrow
31h 10m
1 stop
SYD14:50Sydney Kingsford Smith
20 Jun
SYD19:40Sydney Kingsford Smith
31h 00m
1 stop
LHR17:40London Heathrow
€908

China Eastern flights from London Heathrow Airport to Sydney

Our best China Eastern deals on London Heathrow Airport to Sydney flight tickets
China Eastern
3 Jun
LHR21:20London Heathrow
30h 15m
1 stop
SYD12:35Sydney Kingsford Smith
14 Jun
SYD20:30Sydney Kingsford Smith
31h 10m
1 stop
LHR18:40London Heathrow
€841
China Eastern
10 May
LHR21:20London Heathrow
26h 40m
1 stop
SYD09:00Sydney Kingsford Smith
20 May
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
€844
China Eastern
3 Jun
LHR21:20London Heathrow
30h 15m
1 stop
SYD12:35Sydney Kingsford Smith
16 Jun
SYD11:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
€846

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 19 March 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 3/6

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Sun 14/6

20:30-18:40

1 stop31h 10m

€841

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 12/5

22:40-14:50

1 stop31h 10m

Sydney Kingsford Smith

Sun 21/6

19:40-20:25

1 stop33h 45m

€843

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 10/5

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Wed 20/5

11:00-18:40

1 stop40h 40m

€844

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 3/6

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Tue 16/6

11:00-18:40

1 stop40h 40m

€846

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 27/4

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Mon 18/5

10:00-18:40

2 stops41h 40m

€847

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 26/4

21:20-08:00

3 stops49h 40m

Sydney Kingsford Smith

Sun 17/5

10:05-18:40

3 stops65h 35m

€848

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 11/5

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Mon 15/6

20:30-18:40

1 stop31h 10m

€849

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 11/5

21:20-08:00

2 stops49h 40m

Sydney Kingsford Smith

Fri 22/5

11:00-18:40

1 stop40h 40m

€850

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 4/6

21:20-08:00

3 stops49h 40m

Sydney Kingsford Smith

Sun 7/6

20:30-18:40

1 stop31h 10m

€852

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 4/5

21:20-08:00

2 stops49h 40m

Sydney Kingsford Smith

Sat 16/5

10:00-18:40

2 stops41h 40m

€853

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 €1,007.

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 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 €1,172 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 €1,103 on momondo.

What cabin class options are available on London Heathrow to Sydney Kingsford Smith flights?

There is only 1 cabin class available to choose from on London Heathrow to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of March 2026, prices for London Heathrow Airport to Sydney flights are approximately 12% more expensive 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

23h 20m

Direct flights

Mon, Tue, Fri and Sat

Airports in Sydney

1 airport
The fastest flight from London Heathrow Airport to Sydney takes 23h 20m
Direct flights go from London Heathrow Airport to Sydney on Monday, Tuesday, Friday and Saturday. 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

  • 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 23h 20m 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 €646Free CancellationRating
7.4
142 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