Cheap flights from London Heathrow Airport to Sydney from $572

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 5/13. 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 round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
9:20 pm - 9:00 am
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
9:30 pm - 5:30 pm
SYD
-
LHR
31h 00m
1 stop
$981China Eastern
Wed, Sep 9 - Tue, Oct 27
Etihad Airways Logo
9:45 pm - 4:50 pm
LHR
-
SYD
34h 05m
1 stop
Etihad Airways Logo
8:50 pm - 6:45 pm
SYD
-
LHR
30h 55m
1 stop
$990Etihad Airways
Thu, May 7 - Sat, May 16
Etihad Airways Logo
2:50 pm - 4:50 pm
LHR
-
SYD
41h 00m
1 stop
Etihad Airways Logo
9:30 pm - 3:05 pm
SYD
-
LHR
26h 35m
1 stop
$996Etihad Airways
Sat, Apr 18 - Thu, Jun 4
Etihad Airways Logo
9:10 pm - 4:50 pm
LHR
-
SYD
34h 40m
1 stop
Etihad Airways Logo
3:40 pm - 3:05 pm
SYD
-
LHR
32h 25m
1 stop
$998Etihad Airways
Thu, Apr 30 - Sun, May 17
Etihad Airways Logo
9:10 pm - 4:50 pm
LHR
-
SYD
34h 40m
1 stop
Etihad Airways Logo
3:40 pm - 12:45 pm
SYD
-
LHR
30h 05m
1 stop
$1,002Etihad Airways
Sat, Apr 18 - Tue, May 19
Etihad Airways Logo
9:30 am - 6:10 am
LHR
-
SYD
35h 40m
1 stop
Etihad Airways Logo
8:50 pm - 3:05 pm
SYD
-
LHR
27h 15m
1 stop
$1,012Etihad Airways
Sat, May 9 - Sat, May 30
Etihad Airways Logo
9:30 am - 6:10 am
LHR
-
SYD
35h 40m
1 stop
Etihad Airways Logo
8:50 pm - 3:05 pm
SYD
-
LHR
27h 15m
1 stop
$1,016Etihad Airways
Sat, May 9 - Sat, May 30
China Eastern Logo
9:20 pm - 9:00 am
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
9:30 pm - 5:30 pm
SYD
-
LHR
31h 00m
1 stop
$1,021China Eastern
Wed, Sep 9 - Mon, Nov 2
Multiple Airlines Logo
8:25 pm - 2:50 pm
LHR
-
SYD
33h 25m
1 stop
Multiple Airlines Logo
3:40 pm - 7:00 am
SYD
-
LHR
24h 20m
1 stop
$1,025Multiple Airlines
Tue, May 12 - Wed, May 20
China Eastern Logo
9:20 pm - 8:00 am
LHR
-
SYD
49h 40m
3 stops
China Eastern Logo
9:30 pm - 5:30 pm
SYD
-
LHR
31h 00m
1 stop
$1,026China Eastern
Thu, Sep 10 - Thu, Nov 5

China Southern flights from London Heathrow Airport to Sydney

Our best China Southern deals on London Heathrow Airport to Sydney flight tickets
China Southern
May 18
LHR9:00 pmLondon Heathrow
37h 25m
2 stops
SYD7:25 pmSydney Kingsford Smith
May 25
SYD8:45 amSydney Kingsford Smith
42h 20m
2 stops
LHR6:05 pmLondon Heathrow
$1,044
China Southern
May 4
LHR10:10 pmLondon Heathrow
36h 15m
1 stop
SYD7:25 pmSydney Kingsford Smith
May 11
SYD8:45 amSydney Kingsford Smith
64h 30m
2 stops
LHR4:15 pmLondon Heathrow
$1,045
China Southern
May 7
LHR10:10 pmLondon Heathrow
29h 15m
1 stop
SYD12:25 pmSydney Kingsford Smith
May 19
SYD10:05 amSydney Kingsford Smith
39h 10m
2 stops
LHR4:15 pmLondon Heathrow
$1,057

Etihad Airways flights from London Heathrow Airport to Sydney

Our best Etihad Airways deals on London Heathrow Airport to Sydney flight tickets
Etihad Airways
May 7
LHR9:45 pmLondon Heathrow
34h 05m
1 stop
SYD4:50 pmSydney Kingsford Smith
May 16
SYD8:50 pmSydney Kingsford Smith
30h 55m
1 stop
LHR6:45 pmLondon Heathrow
$990
Etihad Airways
Apr 18
LHR2:50 pmLondon Heathrow
41h 00m
1 stop
SYD4:50 pmSydney Kingsford Smith
Jun 4
SYD9:30 pmSydney Kingsford Smith
26h 35m
1 stop
LHR3:05 pmLondon Heathrow
$996
Etihad Airways
Apr 30
LHR9:10 pmLondon Heathrow
34h 40m
1 stop
SYD4:50 pmSydney Kingsford Smith
May 17
SYD3:40 pmSydney Kingsford Smith
32h 25m
1 stop
LHR3:05 pmLondon Heathrow
$998

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 6, 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 round-trip
Quickest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 9/9

9:20 pm-9:00 am

1 stop26h 40m

Sydney Kingsford Smith

Tue 10/27

9:30 pm-5:30 pm

1 stop31h 00m

$981

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 5/7

9:45 pm-4:50 pm

1 stop34h 05m

Sydney Kingsford Smith

Sat 5/16

8:50 pm-6:45 pm

1 stop30h 55m

$990

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 4/18

2:50 pm-4:50 pm

1 stop41h 00m

Sydney Kingsford Smith

Thu 6/4

9:30 pm-3:05 pm

1 stop26h 35m

$996

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 4/30

9:10 pm-4:50 pm

1 stop34h 40m

Sydney Kingsford Smith

Sun 5/17

3:40 pm-3:05 pm

1 stop32h 25m

$998

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 4/18

9:10 pm-4:50 pm

1 stop34h 40m

Sydney Kingsford Smith

Tue 5/19

3:40 pm-12:45 pm

1 stop30h 05m

$1,002

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 5/9

9:30 am-6:10 am

1 stop35h 40m

Sydney Kingsford Smith

Sat 5/30

8:50 pm-3:05 pm

1 stop27h 15m

$1,012

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 5/9

9:30 am-6:10 am

1 stop35h 40m

Sydney Kingsford Smith

Sat 5/30

8:50 pm-3:05 pm

1 stop27h 15m

$1,016

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 9/9

9:20 pm-9:00 am

1 stop26h 40m

Sydney Kingsford Smith

Mon 11/2

9:30 pm-5:30 pm

1 stop31h 00m

$1,021

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 5/12

8:25 pm-2:50 pm

1 stop33h 25m

Sydney Kingsford Smith

Wed 5/20

3:40 pm-7:00 am

1 stop24h 20m

$1,025

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 9/10

9:20 pm-8:00 am

3 stops49h 40m

Sydney Kingsford Smith

Thu 11/5

9:30 pm-5:30 pm

1 stop31h 00m

$1,026

Flights are sorted by cheapest round-trip 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?

In general, May is the cheapest month to fly from London Heathrow Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,119. If you are unable to visit Sydney during the month of May, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around $1,169.

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 $1,356 when searching weeks out. 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 $1,269 on momondo.

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

There are 2 cabin classes 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.

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

You could potentially save up to 9% 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 April 2026, prices for London Heathrow Airport to Sydney flights are approximately 3% 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 round-trip 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 35m

Direct flights

Every day

Airports in Sydney

1 airport
The fastest flight from London Heathrow Airport to Sydney takes 22h 35m
Direct flights go from London Heathrow Airport to Sydney every day.
There is 1 airport in Sydney. From London Heathrow Airport there are direct flights to Sydney Kingsford Smith (SYD).

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 10566.1 mi apart from one another. Flights usually cover this in 22h 35m, depending on flying conditions and air traffic around both airports.

  • 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 refresh daily.

  • 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 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 Heathrow Airport 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 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
Etihad AirwaysPriceFrom $757Free CancellationRating
7.3
1,428 reviews
Search Etihad Airways flights
China SouthernPriceFrom $840Free CancellationRating
7.4
146 reviews
Search China Southern flights
Air IndiaPriceFrom $852Free CancellationRating
5.5
2,966 reviews
Search Air India flights
China EasternPriceFrom $866Free CancellationRating
7.2
200 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom $1,015Free CancellationRating
8.2
1,490 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.6
1,249 reviews
Search Cathay Pacific flights
British AirwaysPriceFrom $1,210Free CancellationRating
6.7
7,857 reviews
Search British Airways flights
United AirlinesPriceFrom $1,227Free CancellationRating
7.4
9,548 reviews
Search United Airlines flights
  • British Airways Flights From London Heathrow Airport to Sydney

    Across 7 British Airways flights from London Heathrow Airport to Sydney this week, the average price was $1,577, with the best British Airways deals starting from $1,210 round-trip. 7,857 users have rated British Airways on momondo, with an average score of 6.7/10.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Penrith
Randwick
Coogee
Leura
Lithgow
Manly
Cronulla
Charlestown
Terrigal
Swansea

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from London.

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

momondo does allow users to show only those flights to Sydney from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for London to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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1 adult
Wed 5/6
Wed 5/13

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