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Cheap flights from London Heathrow Airport to Australia from £349

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 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Australia

Cheap return flights

China Southern Logo
17:15 - 08:15LHR-BNE
29h 00m2 stops
China Southern Logo
10:10 - 17:55BNE-LHR
41h 45m2 stops
£527China Southern
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Wed, 29 Oct - Thu, 6 Nov
China Southern Logo
21:30 - 21:30LHR-MEL
37h 00m2 stops
China Southern Logo
23:30 - 17:55MEL-LHR
29h 25m2 stops
£530China Southern
Find Deal
Mon, 27 Oct - Sun, 9 Nov
Malaysia Airlines Logo
21:35 - 07:00LHR-ADL
24h 55m1 stop
Malaysia Airlines Logo
11:00 - 05:35ADL-LHR
29h 05m1 stop
£843Malaysia Airlines
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Tue, 16 Sep - Tue, 28 Oct
Malaysia Airlines Logo
21:35 - 07:00LHR-ADL
24h 55m1 stop
Malaysia Airlines Logo
09:50 - 05:55ADL-LHR
28h 35m1 stop
£893Malaysia Airlines
Find Deal
Sun, 31 Aug - Sat, 4 Oct
Cathay Pacific Logo
17:50 - 11:15LHR-ADL
30h 55m2 stops
Cathay Pacific Logo
12:00 - 15:00ADL-LHR
37h 30m1 stop
£927Cathay Pacific
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Sun, 26 Oct - Wed, 12 Nov
Cathay Pacific Logo
16:50 - 16:20LHR-ADL
37h 00m2 stops
Cathay Pacific Logo
12:00 - 17:20ADL-LHR
39h 50m1 stop
£934Cathay Pacific
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Sun, 26 Oct - Wed, 12 Nov
Singapore Airlines Logo
21:45 - 17:20LHR-CNS
57h 35m1 stop
Singapore Airlines Logo
18:35 - 15:20CNS-LHR
30h 45m1 stop
£1,000Singapore Airlines
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Thu, 30 Oct - Sun, 9 Nov
Singapore Airlines Logo
11:25 - 17:00LHR-CNS
44h 35m1 stop
Singapore Airlines Logo
18:35 - 19:10CNS-LHR
34h 35m1 stop
£1,050Singapore Airlines
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Mon, 20 Oct - Mon, 3 Nov
Qantas Airways Logo
20:10 - 16:05LHR-HBA
32h 55m2 stops
Qantas Airways Logo
11:25 - 06:15HBA-LHR
29h 50m2 stops
£1,201Qantas Airways
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Thu, 13 Nov - Sun, 23 Nov
Qantas Airways Logo
20:10 - 16:05LHR-HBA
32h 55m2 stops
Qantas Airways Logo
16:50 - 06:15HBA-LHR
48h 25m2 stops
£1,203Qantas Airways
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Wed, 12 Nov - Sat, 22 Nov

China Southern flights from London Heathrow Airport to Australia

Our best China Southern deals on London Heathrow Airport to Australia flight tickets
China Southern
29 Oct
LHR17:15London Heathrow
29h 00m
2 stops
BNE08:15Brisbane
6 Nov
BNE10:10Brisbane
41h 45m
2 stops
LHR17:55London Heathrow
£527
Find similar
China Southern
27 Oct
LHR21:30London Heathrow
47h 00m
2 stops
SYD07:30Sydney Kingsford Smith
12 Nov
SYD11:25Sydney Kingsford Smith
41h 50m
1 stop
LHR18:15London Heathrow
£530
Find similar
China Southern
27 Oct
LHR21:30London Heathrow
47h 00m
2 stops
SYD07:30Sydney Kingsford Smith
12 Nov
SYD22:00Sydney Kingsford Smith
30h 55m
2 stops
LHR17:55London Heathrow
£530
Find similar

China Eastern flights from London Heathrow Airport to Australia

Our best China Eastern deals on London Heathrow Airport to Australia flight tickets
China Eastern
26 Aug
LHR21:20London Heathrow
26h 40m
1 stop
MEL09:00Melbourne
14 Oct
MEL12:00Melbourne
40h 40m
1 stop
LHR18:40London Heathrow
£572
Find similar
China Eastern
10 Nov
LHR21:00London Heathrow
30h 05m
1 stop
MEL14:05Melbourne
18 Nov
MEL12:00Melbourne
40h 30m
1 stop
LHR17:30London Heathrow
£599
Find similar
China Eastern
10 Nov
LHR21:00London Heathrow
51h 00m
2 stops
MEL11:00Melbourne
18 Nov
MEL12:00Melbourne
40h 30m
1 stop
LHR17:30London Heathrow
£601
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 279,928 searches. Data last updated 1 August 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

Wed 29/10

17:15-08:15

2 stops29h 00m

Brisbane

Thu 6/11

10:10-17:55

2 stops41h 45m

£527

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Mon 27/10

21:30-21:30

2 stops37h 00m

Melbourne

Sun 9/11

23:30-17:55

2 stops29h 25m

£530

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Tue 16/9

21:35-07:00

1 stop24h 55m

Adelaide

Tue 28/10

11:00-05:35

1 stop29h 05m

£843

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sun 31/8

21:35-07:00

1 stop24h 55m

Adelaide

Sat 4/10

09:50-05:55

1 stop28h 35m

£893

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sun 26/10

17:50-11:15

2 stops30h 55m

Adelaide

Wed 12/11

12:00-15:00

1 stop37h 30m

£927

LondonAdelaide

LHR - ADL

LHRADL

London Heathrow

Sun 26/10

16:50-16:20

2 stops37h 00m

Adelaide

Wed 12/11

12:00-17:20

1 stop39h 50m

£934

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 30/10

21:45-17:20

1 stop57h 35m

Cairns

Sun 9/11

18:35-15:20

1 stop30h 45m

£1,000

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 20/10

11:25-17:00

1 stop44h 35m

Cairns

Mon 3/11

18:35-19:10

1 stop34h 35m

£1,050

LondonHobart

LHR - HBA

LHRHBA

London Heathrow

Thu 13/11

20:10-16:05

2 stops32h 55m

Hobart

Sun 23/11

11:25-06:15

2 stops29h 50m

£1,201

LondonHobart

LHR - HBA

LHRHBA

London Heathrow

Wed 12/11

20:10-16:05

2 stops32h 55m

Hobart

Sat 22/11

16:50-06:15

2 stops48h 25m

£1,203

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?

The month of March is, on average, the cheapest month to fly to Australia from London Heathrow Airport, with most prices found around £735. The month of May is another great option to travel to Australia, with average flight prices from London Heathrow Airport averaging around £818.

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

The cheapest day to depart on your flight to Australia is on a Monday when prices can be found for as low as £1,142. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Australia is Friday, with ticket prices averaging around £1,322.

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

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Australia when you can find flight prices for as low as £942. Flying to Australia in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Australia is in the evening when prices are around £1,248.

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 £1,003 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 £839 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 13% 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

£349

Fastest flight time

20h 25m

Direct flights

Every day

Airports in Australia

6 airports
The best one-way flight to Australia from London Heathrow Airport in the past 72 hours is £349. The best return flight deal from London Heathrow Airport to Australia found on momondo in the last 72 hours is £527.
The fastest flight from London Heathrow Airport to Australia takes 20h 25m
Direct flights go from London Heathrow Airport to Australia every day.
There are 6 airports near Australia: Melbourne (MEL), Brisbane (BNE), Cairns (CNS), Adelaide (ADL), 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 refresh daily.

  • 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 layovers. 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 travel and health documents you'll need for your trip to Australia 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 license and a passport that is valid for six months after your intended arrival at Australia. 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 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
AirAsiaPriceFrom £130Free CancellationRating
6.7
209 reviews
Search AirAsia flights
Batik AirPriceFrom £132Free CancellationRating
5.9
73 reviews
Search Batik Air flights
Hainan AirlinesPriceFrom £341Free CancellationRating
8.2
43 reviews
Search Hainan Airlines flights
Beijing Capital AirlinesPriceFrom £366Free CancellationRating
3.0
2 reviews
Search Beijing Capital Airlines flights
SWISSPriceFrom £767Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
Air New ZealandPriceFrom £778Free CancellationRating
7.9
501 reviews
Search Air New Zealand flights
Austrian AirlinesPriceFrom £798Free CancellationRating
7.6
823 reviews
Search Austrian Airlines flights
Vietnam AirlinesPriceFrom £813Free CancellationRating
7.5
197 reviews
Search Vietnam Airlines flights
Air FrancePriceFrom £814Free CancellationRating
7.5
1,465 reviews
Search Air France flights
SriLankan AirlinesPriceFrom £830Free CancellationRating
6.8
75 reviews
Search SriLankan Airlines 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. All flights to Australia from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for London to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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