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Cheap flights from London Heathrow Airport to Sydney from $759

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 9/9. 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

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Find the cheapest flights from London Heathrow Airport to Sydney

Cheap return flights

China Southern Logo
21:30 - 07:30LHR-SYD
47h 00m2 stops
China Southern Logo
22:00 - 17:55SYD-LHR
30h 55m2 stops
$1,166China Southern
Find Deal
Mon, 27 Oct - Thu, 6 Nov
China Southern Logo
19:15 - 08:25LHR-SYD
28h 10m2 stops
China Southern Logo
22:00 - 17:55SYD-LHR
30h 55m2 stops
$1,183China Southern
Find Deal
Wed, 17 Sep - Thu, 13 Nov
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
China Southern Logo
11:25 - 18:15SYD-LHR
41h 50m1 stop
$1,186China Southern
Find Deal
Tue, 4 Nov - Tue, 11 Nov
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
China Southern Logo
22:00 - 18:15SYD-LHR
31h 15m1 stop
$1,194China Southern
Find Deal
Mon, 3 Nov - Wed, 12 Nov
China Southern Logo
17:15 - 09:25LHR-SYD
29h 10m2 stops
China Southern Logo
22:00 - 17:55SYD-LHR
30h 55m2 stops
$1,196China Southern
Find Deal
Wed, 5 Nov - Wed, 12 Nov
China Southern Logo
21:30 - 07:30LHR-SYD
47h 00m2 stops
China Southern Logo
22:00 - 18:15SYD-LHR
31h 15m1 stop
$1,199China Southern
Find Deal
Mon, 27 Oct - Mon, 10 Nov
China Eastern Logo
21:20 - 08:30LHR-SYD
50h 10m2 stops
China Eastern Logo
21:30 - 17:30SYD-LHR
31h 00m1 stop
$1,282China Eastern
Find Deal
Tue, 2 Sep - Wed, 12 Nov
China Eastern Logo
21:20 - 12:35LHR-SYD
30h 15m1 stop
China Eastern Logo
21:30 - 17:30SYD-LHR
31h 00m1 stop
$1,305China Eastern
Find Deal
Mon, 1 Sep - Wed, 12 Nov
Air India Logo
09:45 - 18:00LHR-SYD
23h 15m1 stop
Air India Logo
20:30 - 12:05SYD-LHR
25h 35m1 stop
$1,406Air India
Find Deal
Mon, 29 Sep - Wed, 8 Oct
Air India Logo
09:45 - 19:00LHR-SYD
23h 15m1 stop
Air India Logo
20:30 - 19:00SYD-LHR
32h 30m1 stop
$1,409Air India
Find Deal
Mon, 6 Oct - Tue, 21 Oct

China Southern flights from London Heathrow Airport to Sydney

Our best China Southern deals on London Heathrow Airport to Sydney flight tickets
China Southern
27 Oct
LHR21:30London Heathrow
47h 00m
2 stops
SYD07:30Sydney Kingsford Smith
6 Nov
SYD22:00Sydney Kingsford Smith
30h 55m
2 stops
LHR17:55London Heathrow
China Southern
17 Sept
LHR19:15London Heathrow
28h 10m
2 stops
SYD08:25Sydney Kingsford Smith
13 Nov
SYD22:00Sydney Kingsford Smith
30h 55m
2 stops
LHR17:55London Heathrow
China Southern
4 Nov
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney Kingsford Smith
11 Nov
SYD11:25Sydney Kingsford Smith
41h 50m
1 stop
LHR18:15London Heathrow

Air India flights from London Heathrow Airport to Sydney

Our best Air India deals on London Heathrow Airport to Sydney flight tickets
Air India
29 Sept
LHR09:45London Heathrow
23h 15m
1 stop
SYD18:00Sydney Kingsford Smith
8 Oct
SYD20:30Sydney Kingsford Smith
25h 35m
1 stop
LHR12:05London Heathrow
Air India
6 Oct
LHR09:45London Heathrow
23h 15m
1 stop
SYD19:00Sydney Kingsford Smith
21 Oct
SYD20:30Sydney Kingsford Smith
32h 30m
1 stop
LHR19:00London Heathrow
Air India
10 July
LHR09:45London Heathrow
23h 55m
1 stop
SYD18:40Sydney Kingsford Smith
20 July
SYD20:10Sydney Kingsford Smith
24h 20m
1 stop
LHR11:30London Heathrow

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 March is, on average, the cheapest month to fly to Sydney from London Heathrow Airport, with most prices found around $1,494. If you aren’t able to travel to Sydney during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,666.

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

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,159. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,361.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Sydney in the afternoon for as low as $1,938. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,560 on average. Flights to Sydney from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $2,042 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 $1,674 on momondo.

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

There are 3 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 July 2025, prices for London Heathrow Airport to Sydney flights are approximately 4% 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

Best price found

$759

Fastest flight time

23h 15m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from London Heathrow Airport in the past 72 hours is $759. The best return flight deal from London Heathrow Airport to Sydney found on momondo in the last 72 hours is $1,166.
The fastest flight from London Heathrow Airport to Sydney takes 23h 15m
Direct flights go from London Heathrow Airport to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • 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 23h 15m.

  • 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 $624Free cancellationRating
7.2
89 reviews
Search Air China flights
China SouthernPriceFrom $1,128Free cancellationRating
7.6
101 reviews
Search China Southern flights
China EasternPriceFrom $1,370Free cancellationRating
7.2
151 reviews
Search China Eastern flights
Air IndiaPriceFrom $1,512Free cancellationRating
5.5
2,924 reviews
Search Air India flights
Malaysia AirlinesPriceFrom $1,546Free cancellationRating
7.4
265 reviews
Search Malaysia Airlines flights
China AirlinesPriceFrom $1,575Free cancellationRating
8.3
744 reviews
Search China Airlines flights
Etihad AirwaysPriceFrom $1,577Free cancellationRating
7.4
1,221 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $1,660Free cancellationRating
7.6
925 reviews
Search Cathay Pacific flights
British AirwaysPriceFrom $1,688Free cancellationRating
6.6
7,095 reviews
Search British Airways flights
EmiratesPriceFrom $1,743Free cancellationRating
8.1
3,287 reviews
Search Emirates flights
  • Qantas Airways Flights From London Heathrow Airport to Sydney

    Qantas Airways flight deals from London Heathrow Airport to Sydney start from $1,336 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually $1,837 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
Katoomba
Lithgow
Penrith
Leura
Manly
Bondi Beach
Coogee
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.


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1 adult
Sat 12/7
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