Cheap flights from London to Australia from £402

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 1/11. 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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Cheap return flights

China Southern Logo
21:30 - 08:15LHR-BNE
48h 45m2 stops
China Southern Logo
23:00 - 18:35BNE-LHR
29h 35m1 stop
£666China Southern
Find Deal
Mon, 3 Nov - Wed, 10 Dec
China Southern Logo
17:15 - 08:15LHR-BNE
29h 00m2 stops
China Southern Logo
10:10 - 17:55BNE-LHR
65h 45m2 stops
£671China Southern
Find Deal
Wed, 19 Nov - Sun, 30 Nov
China Southern Logo
22:10 - 08:15LHR-BNE
25h 05m1 stop
China Southern Logo
10:10 - 18:35BNE-LHR
42h 25m1 stop
£672China Southern
Find Deal
Mon, 20 Oct - Sun, 9 Nov
China Eastern Logo
21:00 - 09:00LHR-BNE
26h 00m1 stop
China Eastern Logo
11:10 - 17:30BNE-LHR
40h 20m1 stop
£676China Eastern
Find Deal
Wed, 26 Nov - Mon, 23 Feb
China Eastern Logo
21:00 - 10:00LHR-MEL
26h 00m1 stop
China Eastern Logo
22:30 - 17:30MEL-LHR
30h 00m1 stop
£676China Eastern
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Emirates Logo
14:05 - 22:30STN-SYD
21h 25m1 stop
Emirates Logo
06:00 - 18:00SYD-STN
23h 00m1 stop
£782Emirates
Find Deal
Tue, 24 Feb - Mon, 9 Mar
Emirates Logo
20:15 - 07:00STN-SYD
23h 45m1 stop
Emirates Logo
21:10 - 12:05SYD-STN
25h 55m1 stop
£785Emirates
Find Deal
Tue, 24 Feb - Tue, 17 Mar
Cathay Pacific Logo
16:50 - 22:55LHR-PER
22h 05m1 stop
Cathay Pacific Logo
00:25 - 05:25PER-LHR
37h 00m1 stop
£842Cathay Pacific
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Fri, 31 Oct - Thu, 6 Nov
Cathay Pacific Logo
16:50 - 22:55LHR-PER
22h 05m1 stop
Cathay Pacific Logo
00:25 - 17:20PER-LHR
24h 55m1 stop
£844Cathay Pacific
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Mon, 3 Nov - Tue, 18 Nov
Qantas Airways Logo
20:10 - 23:55LHR-PER
19h 45m1 stop
Qantas Airways Logo
12:25 - 06:35PER-LHR
25h 10m1 stop
£870Qantas Airways
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Wed, 5 Nov - Wed, 29 Apr

KLM flights from London to Australia

Our best KLM deals on London to Australia flight tickets
KLM
4 Nov
LCY17:50London City
27h 05m
2 stops
SYD07:55Sydney Kingsford Smith
11 Nov
SYD15:55Sydney Kingsford Smith
28h 35m
2 stops
LCY09:30London City
KLM
24 Sept
LCY17:50London City
27h 30m
2 stops
SYD06:20Sydney Kingsford Smith
30 Sept
SYD14:50Sydney Kingsford Smith
27h 00m
2 stops
LCY08:50London City
KLM
22 Sept
LCY17:50London City
26h 20m
2 stops
SYD05:10Sydney Kingsford Smith
30 Sept
SYD14:50Sydney Kingsford Smith
27h 00m
2 stops
LCY08:50London City

SWISS flights from London to Australia

Our best SWISS deals on London to Australia flight tickets
SWISS
5 Nov
LCY19:10London City
25h 05m
2 stops
SYD07:15Sydney Kingsford Smith
19 Nov
SYD15:15Sydney Kingsford Smith
28h 20m
2 stops
LCY08:35London City
SWISS
11 Nov
LCY19:10London City
25h 05m
2 stops
SYD07:15Sydney Kingsford Smith
24 Nov
SYD15:15Sydney Kingsford Smith
28h 20m
2 stops
LCY08:35London City
SWISS
5 Nov
LCY19:10London City
25h 05m
2 stops
SYD07:15Sydney Kingsford Smith
19 Nov
SYD15:15Sydney Kingsford Smith
28h 20m
2 stops
LCY08:35London City

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 18 September 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

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Mon 3/11

21:30-08:15

2 stops48h 45m

Brisbane

Wed 10/12

23:00-18:35

1 stop29h 35m

£666

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Wed 19/11

17:15-08:15

2 stops29h 00m

Brisbane

Sun 30/11

10:10-17:55

2 stops65h 45m

£671

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Mon 20/10

22:10-08:15

1 stop25h 05m

Brisbane

Sun 9/11

10:10-18:35

1 stop42h 25m

£672

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Wed 26/11

21:00-09:00

1 stop26h 00m

Brisbane

Mon 23/2

11:10-17:30

1 stop40h 20m

£676

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Wed 29/10

21:00-10:00

1 stop26h 00m

Melbourne

Wed 5/11

22:30-17:30

1 stop30h 00m

£676

LondonSydney

STN - SYD

STNSYD

London Stansted

Tue 24/2

14:05-22:30

1 stop21h 25m

Sydney Kingsford Smith

Mon 9/3

06:00-18:00

1 stop23h 00m

£782

LondonSydney

STN - SYD

STNSYD

London Stansted

Tue 24/2

20:15-07:00

1 stop23h 45m

Sydney Kingsford Smith

Tue 17/3

21:10-12:05

1 stop25h 55m

£785

LondonPerth

LHR - PER

LHRPER

London Heathrow

Fri 31/10

16:50-22:55

1 stop22h 05m

Perth

Thu 6/11

00:25-05:25

1 stop37h 00m

£842

LondonPerth

LHR - PER

LHRPER

London Heathrow

Mon 3/11

16:50-22:55

1 stop22h 05m

Perth

Tue 18/11

00:25-17:20

1 stop24h 55m

£844

LondonPerth

LHR - PER

LHRPER

London Heathrow

Wed 5/11

20:10-23:55

1 stop19h 45m

Perth

Wed 29/4

12:25-06:35

1 stop25h 10m

£870

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 £775. The month of March is another great option to travel to Australia, with average flight prices from London averaging around £822.

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 £1,106. 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 £1,308.

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 £913. 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 £1,204.

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 £971 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 £789 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 6% 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

£917

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 £917. The best return flight deal from London to Australia found on momondo in the last 72 hours is £1,016.
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 £126Free CancellationRating
6.8
216 reviews
Search AirAsia flights
Beijing Capital AirlinesPriceFrom £322Free CancellationRating
3.0
2 reviews
Search Beijing Capital Airlines flights
Hainan AirlinesPriceFrom £330Free CancellationRating
8.2
45 reviews
Search Hainan Airlines flights
Oman AirPriceFrom £487Free CancellationRating
8.3
93 reviews
Search Oman Air flights
Royal Brunei AirlinesPriceFrom £632Free CancellationRating
5.7
7 reviews
Search Royal Brunei Airlines flights
Vietnam AirlinesPriceFrom £725Free CancellationRating
7.6
201 reviews
Search Vietnam Airlines flights
SWISSPriceFrom £726Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
Austrian AirlinesPriceFrom £731Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
Air FrancePriceFrom £743Free CancellationRating
7.4
1,468 reviews
Search Air France flights
Air New ZealandPriceFrom £754Free CancellationRating
8.0
505 reviews
Search Air New Zealand 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 18/10
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