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Cheap flights from London Heathrow Airport to Australia from $827

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 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Australia

Cheap return flights

China Southern Logo
22:00 - 21:30LHR-MEL
36h 30m1 stop
China Southern Logo
11:25 - 18:35MEL-LHR
42h 10m1 stop
$1,389China Southern
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Sun, 16 Nov - Sat, 22 Nov
Logo
20:25 - 15:45LHR-MEL
32h 20m1 stop
Logo
16:55 - 09:55MEL-LHR
28h 00m2 stops
$1,390
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Cathay Pacific Logo
22:05 - 06:55LHR-PER
24h 50m1 stop
Cathay Pacific Logo
00:15 - 17:20PER-LHR
25h 05m1 stop
$1,762Cathay Pacific
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Wed, 29 Oct - Tue, 4 Nov
Cathay Pacific Logo
16:50 - 22:50LHR-PER
22h 00m1 stop
Cathay Pacific Logo
00:15 - 20:10PER-LHR
27h 55m1 stop
$1,763Cathay Pacific
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Mon, 3 Nov - Sat, 15 Nov
Singapore Airlines Logo
20:35 - 17:20LHR-ADL
34h 15m1 stop
Singapore Airlines Logo
17:35 - 05:55ADL-LHR
44h 50m1 stop
$1,844Singapore Airlines
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Thu, 5 Mar - Mon, 4 May
Singapore Airlines Logo
10:40 - 17:20LHR-ADL
44h 10m1 stop
Singapore Airlines Logo
17:35 - 05:55ADL-LHR
44h 50m1 stop
$1,846Singapore Airlines
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Thu, 5 Mar - Mon, 4 May
Qatar Airways Logo
08:35 - 17:05LHR-ADL
22h 00m1 stop
Qatar Airways Logo
22:40 - 14:10ADL-LHR
25h 00m1 stop
$1,882Qatar Airways
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Thu, 12 Mar - Thu, 2 Apr
Qatar Airways Logo
14:15 - 17:05LHR-ADL
40h 20m1 stop
Qatar Airways Logo
22:40 - 14:10ADL-LHR
25h 00m1 stop
$1,885Qatar Airways
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Mon, 23 Feb - Mon, 30 Mar
Qantas Airways Logo
20:10 - 11:50LHR-ADL
29h 10m1 stop
Qantas Airways Logo
06:00 - 06:35ADL-LHR
33h 05m2 stops
$1,954Qantas Airways
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Tue, 10 Mar - Tue, 28 Apr
Qantas Airways Logo
20:10 - 10:55LHR-ADL
28h 15m2 stops
Qantas Airways Logo
06:00 - 06:35ADL-LHR
34h 05m1 stop
$1,962Qantas Airways
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Mon, 23 Feb - Mon, 30 Mar

Air India flights from London Heathrow Airport to Australia

Our best Air India deals on London Heathrow Airport to Australia flight tickets
Air India
2 Oct
LHR20:35London Heathrow
36h 25m
1 stop
SYD18:00Sydney Kingsford Smith
20 Oct
SYD20:30Sydney Kingsford Smith
25h 00m
1 stop
LHR11:30London Heathrow
$1,467
Find similar
Air India
17 Sept
LHR13:15London Heathrow
43h 45m
1 stop
SYD18:00Sydney Kingsford Smith
6 Oct
SYD20:30Sydney Kingsford Smith
25h 00m
1 stop
LHR11:30London Heathrow
$1,542
Find similar
Air India
17 Sept
LHR13:15London Heathrow
43h 45m
1 stop
SYD18:00Sydney Kingsford Smith
15 Oct
SYD20:30Sydney Kingsford Smith
32h 30m
1 stop
LHR19:00London Heathrow
$1,544
Find similar

Air China flights from London Heathrow Airport to Australia

Our best Air China deals on London Heathrow Airport to Australia flight tickets
Air China
27 Dec
LHR17:40London Heathrow
35h 05m
1 stop
MEL15:45Melbourne
25 Jan
MEL20:15Melbourne
30h 40m
1 stop
LHR15:55London Heathrow
$1,443
Find similar
Air China
29 Dec
LHR17:40London Heathrow
34h 50m
1 stop
SYD15:30Sydney Kingsford Smith
17 Jan
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow
$1,448
Find similar
Air China
29 Dec
LHR17:40London Heathrow
35h 05m
1 stop
MEL15:45Melbourne
1 Mar
MEL20:15Melbourne
32h 35m
1 stop
LHR17:50London Heathrow
$1,466
Find similar

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 14 September 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

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 16/11

22:00-21:30

1 stop36h 30m

Melbourne

Sat 22/11

11:25-18:35

1 stop42h 10m

$1,389

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Wed 29/10

20:25-15:45

1 stop32h 20m

Melbourne

Wed 5/11

16:55-09:55

2 stops28h 00m

$1,390

LondonPerth

LHR - PER

LHRPER

London Heathrow

Wed 29/10

22:05-06:55

1 stop24h 50m

Perth

Tue 4/11

00:15-17:20

1 stop25h 05m

$1,762

LondonPerth

LHR - PER

LHRPER

London Heathrow

Mon 3/11

16:50-22:50

1 stop22h 00m

Perth

Sat 15/11

00:15-20:10

1 stop27h 55m

$1,763

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 5/3

20:35-17:20

1 stop34h 15m

Adelaide

Mon 4/5

17:35-05:55

1 stop44h 50m

$1,844

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 5/3

10:40-17:20

1 stop44h 10m

Adelaide

Mon 4/5

17:35-05:55

1 stop44h 50m

$1,846

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Thu 12/3

08:35-17:05

1 stop22h 00m

Adelaide

Thu 2/4

22:40-14:10

1 stop25h 00m

$1,882

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 23/2

14:15-17:05

1 stop40h 20m

Adelaide

Mon 30/3

22:40-14:10

1 stop25h 00m

$1,885

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 10/3

20:10-11:50

1 stop29h 10m

Adelaide

Tue 28/4

06:00-06:35

2 stops33h 05m

$1,954

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Mon 23/2

20:10-10:55

2 stops28h 15m

Adelaide

Mon 30/3

06:00-06:35

1 stop34h 05m

$1,962

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 $1,434. 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 $1,617.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $2,145. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Australia on a Saturday will generally be more expensive and average around $3,030. 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 $2,004. 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 $2,488. 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 $1,992 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 $1,619 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.

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

You could potentially save up to 7% on your flight if you consider stops on a London Heathrow Airport to Australia flight.

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

$1,854

Fastest flight time

16h 40m

Direct flights

Every day

Airports in Australia

1 airport
The best one-way flight to Australia from London Heathrow Airport in the past 72 hours is $1,854. The best return flight deal from London Heathrow Airport to Australia found on momondo in the last 72 hours is $2,250.
The fastest flight from London Heathrow Airport to Australia takes 16h 40m
Direct flights go from London Heathrow Airport to Australia every day.
There is 1 airport near Australia: Perth (PER)
Search flight deals

  • 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 $1,040Free cancellationRating
7.2
99 reviews
Search Air China flights
China SouthernPriceFrom $1,087Free cancellationRating
7.5
110 reviews
Search China Southern flights
British AirwaysPriceFrom $1,088Free cancellationRating
6.6
7,361 reviews
Search British Airways flights
China EasternPriceFrom $1,174Free cancellationRating
7.2
165 reviews
Search China Eastern flights
Malaysia AirlinesPriceFrom $1,304Free cancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Royal Brunei AirlinesPriceFrom $1,364Free cancellationRating
5.7
7 reviews
Search Royal Brunei Airlines flights
EmiratesPriceFrom $1,427Free cancellationRating
8.1
3,334 reviews
Search Emirates flights
United AirlinesPriceFrom $1,441Free cancellationRating
7.4
8,931 reviews
Search United Airlines flights
Air IndiaPriceFrom $1,478Free cancellationRating
5.5
2,930 reviews
Search Air India flights
Etihad AirwaysPriceFrom $1,486Free cancellationRating
7.4
1,250 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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