Cheap flights from London Heathrow Airport to Sydney from $805

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
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.
Etihad Airways Logo
14:50 - 16:50
LHR
-
SYD
41h 00m
1 stop
Etihad Airways Logo
15:40 - 07:00
SYD
-
LHR
24h 20m
1 stop
$1,392Etihad Airways
Sun, 26 Apr - Sun, 10 May
China Southern Logo
22:10 - 19:25
LHR
-
SYD
36h 15m
1 stop
China Southern Logo
15:15 - 18:35
SYD
-
LHR
38h 20m
1 stop
$1,393China Southern
Mon, 7 Sep - Mon, 9 Nov
Etihad Airways Logo
21:45 - 16:50
LHR
-
SYD
34h 05m
1 stop
Etihad Airways Logo
20:50 - 18:45
SYD
-
LHR
30h 55m
1 stop
$1,396Etihad Airways
Sun, 3 May - Sat, 23 May
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
2 stops
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
$1,398China Eastern
Wed, 2 Sep - Wed, 4 Nov
Etihad Airways Logo
20:45 - 16:50
LHR
-
SYD
35h 05m
1 stop
Etihad Airways Logo
20:50 - 18:45
SYD
-
LHR
30h 55m
1 stop
$1,399Etihad Airways
Tue, 19 May - Sat, 30 May
China Southern Logo
21:00 - 06:25
LHR
-
SYD
48h 25m
2 stops
China Southern Logo
22:10 - 18:05
SYD
-
LHR
29h 55m
2 stops
$1,410China Southern
Mon, 14 Sep - Tue, 13 Oct
China Southern Logo
21:00 - 19:25
LHR
-
SYD
37h 25m
2 stops
China Southern Logo
11:25 - 14:00
SYD
-
LHR
37h 35m
2 stops
$1,412China Southern
Tue, 8 Sep - Tue, 27 Oct
China Southern Logo
22:10 - 12:25
LHR
-
SYD
29h 15m
1 stop
China Southern Logo
15:15 - 18:35
SYD
-
LHR
38h 20m
2 stops
$1,413China Southern
Mon, 7 Sep - Sun, 8 Nov
China Southern Logo
22:10 - 19:25
LHR
-
SYD
36h 15m
1 stop
China Southern Logo
11:25 - 18:35
SYD
-
LHR
42h 10m
1 stop
$1,415China Southern
Tue, 8 Sep - Tue, 27 Oct
China Eastern Logo
21:20 - 09:00
LHR
-
SYD
26h 40m
1 stop
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
$1,420China Eastern
Tue, 1 Sep - Tue, 3 Nov

Etihad Airways flights from London Heathrow Airport to Sydney

Our best Etihad Airways deals on London Heathrow Airport to Sydney flight tickets
Etihad Airways
26 Apr
LHR14:50London Heathrow
41h 00m
1 stop
SYD16:50Sydney Kingsford Smith
10 May
SYD15:40Sydney Kingsford Smith
24h 20m
1 stop
LHR07:00London Heathrow
$1,392
Etihad Airways
3 May
LHR21:45London Heathrow
34h 05m
1 stop
SYD16:50Sydney Kingsford Smith
23 May
SYD20:50Sydney Kingsford Smith
30h 55m
1 stop
LHR18:45London Heathrow
$1,396
Etihad Airways
19 May
LHR20:45London Heathrow
35h 05m
1 stop
SYD16:50Sydney Kingsford Smith
30 May
SYD20:50Sydney Kingsford Smith
30h 55m
1 stop
LHR18:45London Heathrow
$1,399

China Southern flights from London Heathrow Airport to Sydney

Our best China Southern deals on London Heathrow Airport to Sydney flight tickets
China Southern
7 Sept
LHR22:10London Heathrow
36h 15m
1 stop
SYD19:25Sydney Kingsford Smith
9 Nov
SYD15:15Sydney Kingsford Smith
38h 20m
1 stop
LHR18:35London Heathrow
$1,393
China Southern
14 Sept
LHR21:00London Heathrow
48h 25m
2 stops
SYD06:25Sydney Kingsford Smith
13 Oct
SYD22:10Sydney Kingsford Smith
29h 55m
2 stops
LHR18:05London Heathrow
$1,410
China Southern
8 Sept
LHR21:00London Heathrow
37h 25m
2 stops
SYD19:25Sydney Kingsford Smith
27 Oct
SYD11:25Sydney Kingsford Smith
37h 35m
2 stops
LHR14:00London Heathrow
$1,412

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 78,305 searches. Data last updated 9 April 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

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 26/4

14:50-16:50

1 stop41h 00m

Sydney Kingsford Smith

Sun 10/5

15:40-07:00

1 stop24h 20m

$1,392

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 7/9

22:10-19:25

1 stop36h 15m

Sydney Kingsford Smith

Mon 9/11

15:15-18:35

1 stop38h 20m

$1,393

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 3/5

21:45-16:50

1 stop34h 05m

Sydney Kingsford Smith

Sat 23/5

20:50-18:45

1 stop30h 55m

$1,396

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 2/9

21:20-08:00

2 stops49h 40m

Sydney Kingsford Smith

Wed 4/11

21:30-17:30

1 stop31h 00m

$1,398

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 19/5

20:45-16:50

1 stop35h 05m

Sydney Kingsford Smith

Sat 30/5

20:50-18:45

1 stop30h 55m

$1,399

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 14/9

21:00-06:25

2 stops48h 25m

Sydney Kingsford Smith

Tue 13/10

22:10-18:05

2 stops29h 55m

$1,410

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 8/9

21:00-19:25

2 stops37h 25m

Sydney Kingsford Smith

Tue 27/10

11:25-14:00

2 stops37h 35m

$1,412

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 7/9

22:10-12:25

1 stop29h 15m

Sydney Kingsford Smith

Sun 8/11

15:15-18:35

2 stops38h 20m

$1,413

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 8/9

22:10-19:25

1 stop36h 15m

Sydney Kingsford Smith

Tue 27/10

11:25-18:35

1 stop42h 10m

$1,415
Fastest return journey

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 1/9

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Tue 3/11

21:30-17:30

1 stop31h 00m

$1,420

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 May is, on average, the cheapest month to fly to Sydney from London Heathrow Airport, with most prices found around $1,586. If you aren’t able to travel to Sydney during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,657.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,200. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $3,369.

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 $1,923 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 $1,799 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.

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 4% 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

22h 20m

Direct flights

Every day

Airports in Sydney

1 airport
The fastest flight from London Heathrow Airport to Sydney takes 22h 20m
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?

    The distance between London Heathrow and Sydney Kingsford Smith is about 17004.5 km. A reasonable flight in good conditions will take 22h 20m.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek 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
Air ChinaPriceFrom $1,115Free cancellationRating
7.3
146 reviews
Search Air China flights
China SouthernPriceFrom $1,193Free cancellationRating
7.4
146 reviews
Search China Southern flights
China EasternPriceFrom $1,240Free cancellationRating
7.2
200 reviews
Search China Eastern flights
Air IndiaPriceFrom $1,351Free cancellationRating
5.5
2,966 reviews
Search Air India flights
Qatar AirwaysPriceFrom $1,426Free cancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
Malaysia AirlinesPriceFrom $1,426Free cancellationRating
7.4
305 reviews
Search Malaysia Airlines flights
Turkish AirlinesPriceFrom $1,431Free cancellationRating
7.3
4,307 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom $1,459Free cancellationRating
7.3
1,428 reviews
Search Etihad Airways flights
China AirlinesPriceFrom $1,470Free cancellationRating
8.3
816 reviews
Search China Airlines flights
Cathay PacificPriceFrom $1,476Free cancellationRating
7.6
1,268 reviews
Search Cathay Pacific flights
  • Qantas Airways Flights From London Heathrow Airport to Sydney

    Qantas Airways flight deals from London Heathrow Airport to Sydney start from $1,655 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually $2,410 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near Sydney?

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

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?

Flights from London to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Sydney.

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

Yes momondo offers price alerts on flights to Sydney from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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.

Get notified when prices go down

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1 adult
Sat 9/5
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