Cheap flights from London to Australia from £433

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 to Australia departing on 14/5. 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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Multiple Airlines Logo
06:25 - 07:25LGW-MEL
38h 00m3 stops
Multiple Airlines Logo
10:00 - 22:35MEL-LGW
47h 35m3 stops
£721Multiple Airlines
Find Deal
Sun, 1 Mar - Sat, 21 Mar
Etihad Airways Logo
09:30 - 15:35LHR-MEL
21h 05m1 stop
Etihad Airways Logo
17:10 - 15:15MEL-LHR
31h 05m1 stop
£722Etihad Airways
Find Deal
Sat, 18 Apr - Sat, 25 Apr
China Southern Logo
21:30 - 06:50LHR-MEL
46h 20m2 stops
China Southern Logo
11:25 - 18:35MEL-LHR
42h 10m2 stops
£723China Southern
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Thu, 15 Jan - Sun, 1 Feb
Etihad Airways Logo
08:50 - 17:00LHR-MEL
21h 10m1 stop
Etihad Airways Logo
18:20 - 14:30MEL-LHR
31h 10m1 stop
£725Etihad Airways
Find Deal
Tue, 10 Feb - Tue, 10 Mar
China Eastern Logo
17:00 - 10:00LGW-MEL
30h 00m1 stop
China Eastern Logo
12:00 - 06:30MEL-LGW
29h 30m1 stop
£729China Eastern
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Sun, 1 Feb - Sun, 15 Feb
China Southern Logo
22:10 - 08:40LHR-MEL
25h 30m1 stop
China Southern Logo
10:20 - 18:05MEL-LHR
40h 45m2 stops
£729China Southern
Find Deal
Sat, 23 May - Sat, 20 Jun
China Eastern Logo
21:00 - 10:00LHR-MEL
26h 00m1 stop
China Eastern Logo
22:30 - 17:30MEL-LHR
30h 00m1 stop
£730China Eastern
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Mon, 9 Feb - Mon, 2 Mar
Malaysia Airlines Logo
21:35 - 01:10LHR-PER
20h 35m1 stop
Malaysia Airlines Logo
02:10 - 16:35PER-LHR
21h 25m1 stop
£928Malaysia Airlines
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Mon, 6 Apr - Sun, 3 May
Cathay Pacific Logo
18:20 - 22:40LHR-PER
21h 20m1 stop
Cathay Pacific Logo
00:10 - 18:15PER-LHR
25h 05m1 stop
£929Cathay Pacific
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Mon, 13 Apr - Thu, 23 Apr
Cathay Pacific Logo
19:50 - 06:55LHR-PER
51h 05m2 stops
Cathay Pacific Logo
00:25 - 20:10PER-LHR
27h 45m1 stop
£929Cathay Pacific
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Wed, 14 Jan - Sun, 1 Feb

Qatar Airways flights from London to Australia

Our best Qatar Airways deals on London to Australia flight tickets
Qatar Airways
17 Feb
LGW14:05London Gatwick
29h 45m
1 stop
SYD06:50Sydney Kingsford Smith
26 Mar
SYD15:50Sydney Kingsford Smith
31h 45m
1 stop
LGW12:35London Gatwick
Qatar Airways
4 Dec
LGW08:40London Gatwick
27h 40m
1 stop
MEL23:20Melbourne
5 Feb
MEL23:40Melbourne
23h 55m
1 stop
LGW12:35London Gatwick
Qatar Airways
10 Dec
LGW08:40London Gatwick
34h 05m
1 stop
MEL05:45Melbourne
21 Jan
MEL16:10Melbourne
24h 45m
1 stop
LGW05:55London Gatwick

Air China flights from London to Australia

Our best Air China deals on London to Australia flight tickets
Air China
1 Dec
LHR20:25London Heathrow
32h 05m
1 stop
SYD15:30Sydney Kingsford Smith
14 Dec
SYD20:40Sydney Kingsford Smith
32h 10m
1 stop
LHR17:50London Heathrow
Air China
1 Dec
LHR20:25London Heathrow
32h 05m
1 stop
SYD15:30Sydney Kingsford Smith
15 Dec
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow
Air China
1 Dec
LHR20:25London Heathrow
32h 05m
1 stop
SYD15:30Sydney Kingsford Smith
24 Dec
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow

momondo Fare Finder

 
Customise your flight search to find flights from London 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 27 November 2025.
Use the filters below to find and compare flights from London to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Sun 1/3

06:25-07:25

3 stops38h 00m

Melbourne

Sat 21/3

10:00-22:35

3 stops47h 35m

£721

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sat 18/4

09:30-15:35

1 stop21h 05m

Melbourne

Sat 25/4

17:10-15:15

1 stop31h 05m

£722

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Thu 15/1

21:30-06:50

2 stops46h 20m

Melbourne

Sun 1/2

11:25-18:35

2 stops42h 10m

£723

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Tue 10/2

08:50-17:00

1 stop21h 10m

Melbourne

Tue 10/3

18:20-14:30

1 stop31h 10m

£725

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Sun 1/2

17:00-10:00

1 stop30h 00m

Melbourne

Sun 15/2

12:00-06:30

1 stop29h 30m

£729

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sat 23/5

22:10-08:40

1 stop25h 30m

Melbourne

Sat 20/6

10:20-18:05

2 stops40h 45m

£729

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Mon 9/2

21:00-10:00

1 stop26h 00m

Melbourne

Mon 2/3

22:30-17:30

1 stop30h 00m

£730

LondonPerth

LHR - PER

LHRPER

London Heathrow

Mon 6/4

21:35-01:10

1 stop20h 35m

Perth

Sun 3/5

02:10-16:35

1 stop21h 25m

£928

LondonPerth

LHR - PER

LHRPER

London Heathrow

Mon 13/4

18:20-22:40

1 stop21h 20m

Perth

Thu 23/4

00:10-18:15

1 stop25h 05m

£929

LondonPerth

LHR - PER

LHRPER

London Heathrow

Wed 14/1

19:50-06:55

2 stops51h 05m

Perth

Sun 1/2

00:25-20:10

1 stop27h 45m

£929

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 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 May is, on average, the cheapest month to fly to Australia from London, with most prices found around £798. The month of June is another great option to travel to Australia, with average flight prices from London averaging around £853.

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 £1,157. 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 £1,327.

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 to Australia when you can find flight prices for as low as £944. 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 £1,224.

What is the cheapest London to Australia flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around £1,009 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 for as low as £845 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to Australia flights?

You could potentially save up to 8% on your flight if you consider stops on a London to Australia flight.

Cheap London to Australia flight deals and tips

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

Best price found

£965

Fastest flight time

16h 40m

Direct flights

Every day

Airports in Australia

1 airport
The best one-way flight to Australia from London in the past 72 hours is £965. The best return flight deal from London to Australia found on momondo in the last 72 hours is £1,125.
The fastest flight from London to Australia takes 16h 40m
Direct flights go from London to Australia every day.
There is 1 airport near Australia: Perth (PER)
  • When did momondo last update prices for flights from London to Australia?

    Prices for flights from London to Australia are updated daily.

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from London to Australia.

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

    The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London to Australia?

Best airlines flying from London to Australia

Compare and see reviews for airlines that fly from London to Australia with momondo
Airline
Rating
Free Cancellation
Price
AirAsiaPriceFrom £130Free CancellationRating
6.8
222 reviews
Search AirAsia flights
Beijing Capital AirlinesPriceFrom £327Free CancellationRating
0.0
0 reviews
Search Beijing Capital Airlines flights
Hainan AirlinesPriceFrom £342Free CancellationRating
8.2
55 reviews
Search Hainan Airlines flights
Oman AirPriceFrom £504Free CancellationRating
8.2
105 reviews
Search Oman Air flights
Royal Brunei AirlinesPriceFrom £650Free CancellationRating
0.0
0 reviews
Search Royal Brunei Airlines flights
Vietnam AirlinesPriceFrom £749Free CancellationRating
7.6
215 reviews
Search Vietnam Airlines flights
SWISSPriceFrom £751Free CancellationRating
7.5
1,797 reviews
Search SWISS flights
Austrian AirlinesPriceFrom £756Free CancellationRating
7.6
874 reviews
Search Austrian Airlines flights
Air New ZealandPriceFrom £764Free CancellationRating
8.0
537 reviews
Search Air New Zealand flights
Air FrancePriceFrom £768Free CancellationRating
7.4
1,498 reviews
Search Air France flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from London.

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

Flights from London to Australia 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 Australia?

momondo helps you find the best flight between London and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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Sat 27/12
Sat 3/1

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Popular flights according to clicks in the last 7 days on momondo