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Cheap flights from London Heathrow Airport to Australia from $734

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 Australia departing on 17/9. 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 Australia

Cheap return flights

China Southern Logo
21:00 - 08:15LHR-BNE
26h 15m2 stops
China Southern Logo
10:45 - 19:00BNE-LHR
41h 15m1 stop
$1,060China Southern
Find Deal
Mon, 15 Sep - Wed, 22 Oct
China Southern Logo
22:10 - 19:25LHR-SYD
36h 15m1 stop
China Southern Logo
09:20 - 14:00SYD-LHR
63h 40m2 stops
$1,060China Southern
Find Deal
Thu, 11 Sep - Mon, 3 Nov
Qatar Airways Logo
08:05 - 15:50LHR-ADL
23h 15m1 stop
Qatar Airways Logo
21:40 - 13:15ADL-LHR
25h 05m1 stop
$1,733Qatar Airways
Find Deal
Tue, 16 Sep - Mon, 6 Oct
Singapore Airlines Logo
11:25 - 07:25LHR-ADL
35h 30m1 stop
Singapore Airlines Logo
18:35 - 19:30ADL-LHR
34h 25m1 stop
$1,787Singapore Airlines
Find Deal
Thu, 11 Sep - Sun, 19 Oct
Qatar Airways Logo
08:05 - 15:50LHR-ADL
23h 15m1 stop
Qatar Airways Logo
22:00 - 14:05ADL-LHR
26h 35m1 stop
$1,848Qatar Airways
Find Deal
Thu, 18 Sep - Thu, 30 Oct
Cathay Pacific Logo
20:15 - 10:50LHR-ADL
28h 05m2 stops
Cathay Pacific Logo
12:00 - 17:20ADL-LHR
39h 50m1 stop
$1,898Cathay Pacific
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Sun, 26 Oct - Wed, 12 Nov
Cathay Pacific Logo
18:20 - 15:35LHR-ADL
36h 45m2 stops
Cathay Pacific Logo
12:15 - 15:15ADL-LHR
36h 30m2 stops
$1,909Cathay Pacific
Find Deal
Tue, 16 Sep - Mon, 6 Oct
Singapore Airlines Logo
20:35 - 17:20LHR-CNS
58h 45m1 stop
Singapore Airlines Logo
18:35 - 15:20CNS-LHR
30h 45m1 stop
$1,981Singapore Airlines
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Tue, 4 Nov - Wed, 19 Nov
Qantas Airways Logo
20:10 - 09:40LHR-OOL
27h 30m2 stops
Qantas Airways Logo
11:10 - 06:15OOL-LHR
29h 05m2 stops
$2,516Qantas Airways
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Sun, 16 Nov - Tue, 2 Dec
Qantas Airways Logo
20:10 - 14:05LHR-OOL
31h 55m2 stops
Qantas Airways Logo
11:10 - 06:15OOL-LHR
29h 05m2 stops
$2,556Qantas Airways
Find Deal
Fri, 14 Nov - Tue, 2 Dec

Air China flights from London Heathrow Airport to Australia

Our best Air China deals on London Heathrow Airport to Australia flight tickets
Air China
13 Jan
LHR17:40London Heathrow
34h 50m
1 stop
SYD15:30Sydney Kingsford Smith
1 Mar
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow
$1,233
Find similar
Air China
18 Jan
LHR20:25London Heathrow
32h 05m
1 stop
SYD15:30Sydney Kingsford Smith
1 Feb
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
$1,279
Find similar
Air China
18 Jan
LHR17:40London Heathrow
34h 50m
1 stop
SYD15:30Sydney Kingsford Smith
1 Feb
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow
$1,280
Find similar

China Southern flights from London Heathrow Airport to Australia

Our best China Southern deals on London Heathrow Airport to Australia flight tickets
China Southern
11 Sept
LHR22:10London Heathrow
36h 15m
1 stop
SYD19:25Sydney Kingsford Smith
3 Nov
SYD09:20Sydney Kingsford Smith
63h 40m
2 stops
LHR14:00London Heathrow
$1,060
Find similar
China Southern
2 Nov
LHR22:00London Heathrow
36h 30m
1 stop
MEL21:30Melbourne
9 Nov
MEL23:30Melbourne
29h 25m
2 stops
LHR17:55London Heathrow
$1,063
Find similar
China Southern
27 Oct
LHR21:30London Heathrow
37h 00m
2 stops
MEL21:30Melbourne
9 Nov
MEL11:25Melbourne
41h 50m
1 stop
LHR18:15London Heathrow
$1,068
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momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Australia 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 29 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Mon 15/9

21:00-08:15

2 stops26h 15m

Brisbane

Wed 22/10

10:45-19:00

1 stop41h 15m

$1,060

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 11/9

22:10-19:25

1 stop36h 15m

Sydney Kingsford Smith

Mon 3/11

09:20-14:00

2 stops63h 40m

$1,060

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 16/9

08:05-15:50

1 stop23h 15m

Adelaide

Mon 6/10

21:40-13:15

1 stop25h 05m

$1,733

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 11/9

11:25-07:25

1 stop35h 30m

Adelaide

Sun 19/10

18:35-19:30

1 stop34h 25m

$1,787

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 18/9

08:05-15:50

1 stop23h 15m

Adelaide

Thu 30/10

22:00-14:05

1 stop26h 35m

$1,848

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sun 26/10

20:15-10:50

2 stops28h 05m

Adelaide

Wed 12/11

12:00-17:20

1 stop39h 50m

$1,898

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 16/9

18:20-15:35

2 stops36h 45m

Adelaide

Mon 6/10

12:15-15:15

2 stops36h 30m

$1,909

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 4/11

20:35-17:20

1 stop58h 45m

Cairns

Wed 19/11

18:35-15:20

1 stop30h 45m

$1,981

LondonCoolangatta

LHR - OOL

LHROOL

London Heathrow

Sun 16/11

20:10-09:40

2 stops27h 30m

Coolangatta Gold Coast

Tue 2/12

11:10-06:15

2 stops29h 05m

$2,516

LondonCoolangatta

LHR - OOL

LHROOL

London Heathrow

Fri 14/11

20:10-14:05

2 stops31h 55m

Coolangatta Gold Coast

Tue 2/12

11:10-06:15

2 stops29h 05m

$2,556

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 Australia from

How to get the cheapest flight ticket from London Heathrow Airport to Australia

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 Australia?

In general, March is the cheapest month to fly from London Heathrow Airport to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,488. If you don’t want to visit Australia in March, then you should wait until May to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,657.

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

On average, the least expensive day to fly to Australia from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $2,149. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Australia on a Friday will generally be more expensive and average around $3,346. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Australia in the afternoon for as low as $2,039. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $2,668. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Australia flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best London Heathrow - Australia flight prices

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,030 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from London Heathrow Airport for as low as $1,698 on momondo.

What cabin class options are available on London Heathrow to Australia flights?

There are 4 cabin classes available to choose from on London Heathrow to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Australia

Best price found

$734

Fastest flight time

22h 00m

Direct flights

Every day

Airports in Australia

8 airports
The best one-way flight to Australia from London Heathrow Airport in the past 72 hours is $734. The best return flight deal from London Heathrow Airport to Australia found on momondo in the last 72 hours is $1,060.
The fastest flight from London Heathrow Airport to Australia takes 22h 00m
Direct flights go from London Heathrow Airport to Australia every day.
There are 8 airports near Australia: Canberra (CBR), Maroochydore Sunshine Coast (MCY), Melbourne (MEL), Brisbane (BNE), Adelaide (ADL), Cairns (CNS), Perth (PER), Sydney Kingsford Smith (SYD)
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  • When did momondo last update prices for flights from London Heathrow Airport to Australia?

    Prices for flights from London Heathrow Airport to Australia were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Australia?

  • How old do you have to be to fly from London Heathrow Airport to Australia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The required travel and health documents for your Australia 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 Australia. 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 Australia?

Best airlines flying from London Heathrow Airport to Australia

Compare and see reviews for airlines that fly from London Heathrow Airport to Australia with momondo
Airline
Rating
Free cancellation
Price
Air ChinaPriceFrom $622Free cancellationRating
7.3
91 reviews
Search Air China flights
China SouthernPriceFrom $1,107Free cancellationRating
7.6
104 reviews
Search China Southern flights
British AirwaysPriceFrom $1,108Free cancellationRating
6.6
7,208 reviews
Search British Airways flights
China EasternPriceFrom $1,194Free cancellationRating
7.2
158 reviews
Search China Eastern flights
Malaysia AirlinesPriceFrom $1,327Free cancellationRating
7.4
270 reviews
Search Malaysia Airlines flights
Royal Brunei AirlinesPriceFrom $1,388Free cancellationRating
5.7
7 reviews
Search Royal Brunei Airlines flights
EmiratesPriceFrom $1,452Free cancellationRating
8.1
3,295 reviews
Search Emirates flights
United AirlinesPriceFrom $1,459Free cancellationRating
7.4
8,896 reviews
Search United Airlines flights
Air IndiaPriceFrom $1,505Free cancellationRating
5.5
2,927 reviews
Search Air India flights
Etihad AirwaysPriceFrom $1,512Free cancellationRating
7.4
1,228 reviews
Search Etihad Airways flights

Why use momondo?

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

It is quick and easy to find London to Australia 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 Australia that suits you.

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

Yes. momondo allows you to filter the results for London to Australia flights to just show those with flexible booking policies.

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

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 Australia.

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

Of course. momondo tracks the price of London to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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