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Cheap flights from London Heathrow Airport to Sydney from $806

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 16/9. 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 Eastern Logo
21:20 - 12:35LHR-SYD
30h 15m1 stop
China Eastern Logo
11:20 - 18:40SYD-LHR
40h 20m2 stops
$1,201China Eastern
Find Deal
Thu, 26 Jun - Mon, 4 Aug
China Southern Logo
22:10 - 19:40LHR-SYD
36h 30m1 stop
China Southern Logo
11:15 - 16:15SYD-LHR
39h 00m2 stops
$1,213China Southern
Find Deal
Thu, 11 Sep - Tue, 21 Oct
China Southern Logo
17:15 - 09:25LHR-SYD
29h 10m2 stops
China Southern Logo
22:00 - 17:55SYD-LHR
30h 55m2 stops
$1,216China Southern
Find Deal
Wed, 29 Oct - Tue, 11 Nov
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
China Eastern Logo
12:00 - 17:30SYD-LHR
40h 30m1 stop
$1,364China Eastern
Find Deal
Tue, 4 Nov - Mon, 17 Nov
Air China Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
Air China Logo
20:40 - 15:55SYD-LHR
30h 15m1 stop
$1,454Air China
Find Deal
Thu, 13 Nov - Thu, 27 Nov
Air China Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
Air China Logo
20:40 - 17:50SYD-LHR
32h 10m1 stop
$1,506Air China
Find Deal
Fri, 14 Nov - Sat, 22 Nov
Air India Logo
09:45 - 18:00LHR-SYD
23h 15m1 stop
Air India Logo
19:30 - 11:30SYD-LHR
25h 00m1 stop
$1,514Air India
Find Deal
Wed, 27 Aug - Sat, 13 Sep
Air India Logo
09:45 - 18:00LHR-SYD
23h 15m1 stop
Air India Logo
19:30 - 11:30SYD-LHR
25h 00m1 stop
$1,555Air India
Find Deal
Tue, 26 Aug - Sat, 13 Sep
Etihad Airways Logo
20:55 - 09:45LHR-SYD
27h 50m2 stops
Etihad Airways Logo
16:40 - 07:00SYD-LHR
24h 20m1 stop
$1,609Etihad Airways
Find Deal
Wed, 3 Sep - Wed, 8 Oct
Etihad Airways Logo
21:45 - 09:45LHR-SYD
27h 00m2 stops
Etihad Airways Logo
21:30 - 15:15SYD-LHR
26h 45m1 stop
$1,611Etihad Airways
Find Deal
Wed, 3 Sep - Tue, 23 Sep

Etihad Airways flights from London Heathrow Airport to Sydney

Our best Etihad Airways deals on London Heathrow Airport to Sydney flight tickets
Etihad Airways
3 Sept
LHR20:55London Heathrow
27h 50m
2 stops
SYD09:45Sydney Kingsford Smith
8 Oct
SYD16:40Sydney Kingsford Smith
24h 20m
1 stop
LHR07:00London Heathrow
Etihad Airways
3 Sept
LHR21:45London Heathrow
27h 00m
2 stops
SYD09:45Sydney Kingsford Smith
23 Sept
SYD21:30Sydney Kingsford Smith
26h 45m
1 stop
LHR15:15London Heathrow
Etihad Airways
2 Sept
LHR21:45London Heathrow
51h 00m
2 stops
SYD09:45Sydney Kingsford Smith
23 Sept
SYD21:30Sydney Kingsford Smith
26h 45m
1 stop
LHR15:15London Heathrow

China Southern flights from London Heathrow Airport to Sydney

Our best China Southern deals on London Heathrow Airport to Sydney flight tickets
China Southern
11 Sept
LHR22:10London Heathrow
36h 30m
1 stop
SYD19:40Sydney Kingsford Smith
21 Oct
SYD11:15Sydney Kingsford Smith
39h 00m
2 stops
LHR16:15London Heathrow
China Southern
29 Oct
LHR17:15London Heathrow
29h 10m
2 stops
SYD09:25Sydney Kingsford Smith
11 Nov
SYD22:00Sydney Kingsford Smith
30h 55m
2 stops
LHR17:55London Heathrow
China Southern
30 Oct
LHR21:30London Heathrow
35h 50m
2 stops
SYD20:20Sydney Kingsford Smith
10 Nov
SYD22:00Sydney Kingsford Smith
54h 55m
2 stops
LHR17:55London 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 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 $1,487. 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 $1,669.

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

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,060. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $5,804.

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 $1,944. 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 $2,495 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 24 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,050 when searching 24 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 $1,674 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 June 2025, prices for London Heathrow Airport to Sydney flights are approximately 9% 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

$806

Fastest flight time

23h 10m

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 $806. The best return flight deal from London Heathrow Airport to Sydney found on momondo in the last 72 hours is $1,201.
The fastest flight from London Heathrow Airport to Sydney takes 23h 10m
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 $626Free cancellationRating
7.2
92 reviews
Search Air China flights
China SouthernPriceFrom $1,115Free cancellationRating
7.5
99 reviews
Search China Southern flights
China EasternPriceFrom $1,374Free cancellationRating
7.2
150 reviews
Search China Eastern flights
China AirlinesPriceFrom $1,539Free cancellationRating
8.3
738 reviews
Search China Airlines flights
Air IndiaPriceFrom $1,542Free cancellationRating
5.5
2,914 reviews
Search Air India flights
Malaysia AirlinesPriceFrom $1,551Free cancellationRating
7.4
263 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom $1,582Free cancellationRating
7.4
1,211 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $1,665Free cancellationRating
7.5
892 reviews
Search Cathay Pacific flights
EmiratesPriceFrom $1,748Free cancellationRating
8.1
3,266 reviews
Search Emirates flights
Singapore AirlinesPriceFrom $1,839Free cancellationRating
8.1
1,304 reviews
Search Singapore Airlines 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 $1,813 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
Coogee
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.


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1 adult
Thu 19/6
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