Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Sydney from €448

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 11/5. 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
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
€829China Eastern
Wed, 3 Jun - Sun, 14 Jun
China Eastern Logo
21:00 - 06:55
LHR
-
SYD
46h 55m
2 stops
China Eastern Logo
10:00 - 17:30
SYD
-
LHR
42h 30m
3 stops
€830China Eastern
Sat, 14 Mar - Fri, 20 Mar
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
€832China Eastern
Thu, 14 May - Wed, 24 Jun
China Eastern Logo
21:20 - 09:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
11:20 - 18:40
SYD
-
LHR
64h 20m
2 stops
€835China Eastern
Sun, 19 Apr - Sat, 16 May
China Eastern Logo
21:20 - 09:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
11:20 - 18:40
SYD
-
LHR
40h 20m
2 stops
€837China Eastern
Sun, 19 Apr - Thu, 7 May
China Eastern Logo
21:20 - 07:40
LHR
-
SYD
49h 20m
2 stops
China Eastern Logo
10:05 - 18:40
SYD
-
LHR
41h 35m
3 stops
€838China Eastern
Fri, 8 May - Fri, 22 May
China Eastern Logo
21:20 - 07:40
LHR
-
SYD
49h 20m
2 stops
China Eastern Logo
11:20 - 18:40
SYD
-
LHR
40h 20m
2 stops
€842China Eastern
Fri, 24 Apr - Thu, 14 May
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
2 stops
China Eastern Logo
10:05 - 18:40
SYD
-
LHR
65h 35m
2 stops
€843China Eastern
Tue, 21 Apr - Tue, 5 May
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
€847China Eastern
Sun, 1 Mar - Tue, 24 Mar
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
€850China Eastern
Sun, 1 Mar - Tue, 24 Mar

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
€829
China Eastern
14 Mar
LHR21:00London Heathrow
46h 55m
3 stops
SYD06:55Sydney Kingsford Smith
20 Mar
SYD10:00Sydney Kingsford Smith
42h 30m
3 stops
LHR17:30London Heathrow
€830
China Eastern
19 Apr
LHR21:20London Heathrow
26h 40m
1 stop
SYD09:00Sydney Kingsford Smith
3 May
SYD20:30Sydney Kingsford Smith
31h 10m
1 stop
LHR18:40London Heathrow
€832

Turkish Airlines flights from London Heathrow Airport to Sydney

Our best Turkish Airlines deals on London Heathrow Airport to Sydney flight tickets
Turkish Airlines
21 Feb
LHR16:35London Heathrow
27h 00m
2 stops
SYD06:35Sydney Kingsford Smith
28 Feb
SYD21:45Sydney Kingsford Smith
28h 10m
2 stops
LHR14:55London Heathrow
€858
Turkish Airlines
21 Feb
LHR16:35London Heathrow
27h 00m
2 stops
SYD06:35Sydney Kingsford Smith
7 Mar
SYD21:45Sydney Kingsford Smith
29h 25m
2 stops
LHR16:10London Heathrow
€863
Turkish Airlines
23 Feb
LHR06:35London Heathrow
37h 00m
2 stops
SYD06:35Sydney Kingsford Smith
24 Mar
SYD16:35Sydney Kingsford Smith
34h 30m
2 stops
LHR16:05London Heathrow
€888

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 30 January 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

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

€829

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 14/3

21:00-06:55

2 stops46h 55m

Sydney Kingsford Smith

Fri 20/3

10:00-17:30

3 stops42h 30m

€830

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 14/5

21:20-08:00

3 stops49h 40m

Sydney Kingsford Smith

Wed 24/6

20:30-18:40

1 stop31h 10m

€832

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 19/4

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Sat 16/5

11:20-18:40

2 stops64h 20m

€835

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 19/4

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Thu 7/5

11:20-18:40

2 stops40h 20m

€837

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 8/5

21:20-07:40

2 stops49h 20m

Sydney Kingsford Smith

Fri 22/5

10:05-18:40

3 stops41h 35m

€838

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 24/4

21:20-07:40

2 stops49h 20m

Sydney Kingsford Smith

Thu 14/5

11:20-18:40

2 stops40h 20m

€842

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 21/4

21:20-08:00

2 stops49h 40m

Sydney Kingsford Smith

Tue 5/5

10:05-18:40

2 stops65h 35m

€843

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 1/3

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Tue 24/3

21:30-17:30

1 stop31h 00m

€847

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 1/3

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Tue 24/3

21:30-17:30

1 stop31h 00m

€850

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 November is another great option to travel to Sydney, with average flight prices from London Heathrow Airport averaging around €964.

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 €1,109 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 €975 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 January 2026, prices for London Heathrow Airport to Sydney flights are approximately 11% 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

24h 55m

Direct flights

None
The fastest flight from London Heathrow Airport to Sydney takes 24h 55m
There are no direct flights from London Heathrow Airport to Sydney. There are no popular flight routes from London Heathrow Airport to Sydney.
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 24h 55m 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 €621Free CancellationRating
7.3
136 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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 1/3
Sun 8/3
By creating a price alert you accept our terms of use and privacy policy.

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
China Southern