Cheap flights from London to Australia from $858

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 4/11. 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

Royal Brunei Airlines Logo
17:00 - 05:00LHR-MEL
25h 00m2 stops
Royal Brunei Airlines Logo
13:30 - 07:20MEL-LHR
28h 50m2 stops
$1,540Royal Brunei Airlines
Find Deal
Wed, 29 Oct - Thu, 20 Nov
China Southern Logo
22:00 - 21:30LHR-MEL
36h 30m1 stop
China Southern Logo
11:25 - 17:55MEL-LHR
41h 30m2 stops
$1,542China Southern
Find Deal
Wed, 3 Dec - Wed, 17 Dec
China Southern Logo
21:30 - 13:35LHR-SYD
29h 05m2 stops
China Southern Logo
08:10 - 14:00SYD-LHR
40h 50m2 stops
$1,542China Southern
Find Deal
Sun, 28 Dec - Tue, 13 Jan
China Eastern Logo
17:00 - 10:00LGW-SYD
30h 00m1 stop
China Eastern Logo
12:00 - 06:30SYD-LGW
29h 30m1 stop
$1,543China Eastern
Find Deal
Sun, 9 Nov - Wed, 26 Nov
China Eastern Logo
21:00 - 13:35LHR-SYD
29h 35m1 stop
China Eastern Logo
13:30 - 17:30SYD-LHR
39h 00m2 stops
$1,543China Eastern
Find Deal
Mon, 3 Nov - Sun, 30 Nov
Cathay Pacific Logo
11:00 - 23:00LHR-MEL
25h 00m1 stop
Cathay Pacific Logo
00:45 - 15:00MEL-LHR
25h 15m1 stop
$1,632Cathay Pacific
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Tue, 24 Feb - Tue, 3 Mar
Malaysia Airlines Logo
21:25 - 01:25LHR-PER
20h 00m1 stop
Malaysia Airlines Logo
02:10 - 16:35PER-LHR
21h 25m1 stop
$1,851Malaysia Airlines
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Wed, 26 Nov - Thu, 14 May
Malaysia Airlines Logo
21:25 - 15:15LHR-PER
33h 50m1 stop
Malaysia Airlines Logo
02:25 - 15:25PER-LHR
21h 00m1 stop
$1,867Malaysia Airlines
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Sat, 21 Feb - Sat, 28 Feb
Cathay Pacific Logo
16:50 - 22:50LHR-PER
22h 00m1 stop
Cathay Pacific Logo
00:15 - 17:20PER-LHR
25h 05m1 stop
$1,890Cathay Pacific
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Tue, 4 Nov - Mon, 24 Nov
Qatar Airways Logo
08:30 - 11:55LHR-PER
20h 25m1 stop
Qatar Airways Logo
15:40 - 06:25PER-LHR
21h 45m1 stop
$1,904Qatar Airways
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Fri, 19 Sep - Fri, 3 Oct

China Eastern flights from London to Australia

Our best China Eastern deals on London to Australia flight tickets
China Eastern
9 Nov
LGW17:00London Gatwick
30h 00m
1 stop
SYD10:00Sydney Kingsford Smith
26 Nov
SYD12:00Sydney Kingsford Smith
29h 30m
1 stop
LGW06:30London Gatwick
China Eastern
5 Jan
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
13 Mar
SYD12:00Sydney Kingsford Smith
40h 30m
1 stop
LHR17:30London Heathrow
China Eastern
14 Jan
LHR21:00London Heathrow
51h 00m
3 stops
SYD11:00Sydney Kingsford Smith
27 Jan
SYD21:30Sydney Kingsford Smith
31h 00m
1 stop
LHR17:30London Heathrow

SWISS flights from London to Australia

Our best SWISS deals on London to Australia flight tickets
SWISS
9 Nov
LCY19:20London City
24h 55m
2 stops
SYD07:15Sydney Kingsford Smith
26 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
9 Nov
LCY19:20London City
24h 55m
2 stops
SYD07:15Sydney Kingsford Smith
23 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 78,305 searches. Data last updated 30 August 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

LHR - MEL

LHRMEL

London Heathrow

Wed 29/10

17:00-05:00

2 stops25h 00m

Melbourne

Thu 20/11

13:30-07:20

2 stops28h 50m

$1,540

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Wed 3/12

22:00-21:30

1 stop36h 30m

Melbourne

Wed 17/12

11:25-17:55

2 stops41h 30m

$1,542

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 28/12

21:30-13:35

2 stops29h 05m

Sydney Kingsford Smith

Tue 13/1

08:10-14:00

2 stops40h 50m

$1,542

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 9/11

17:00-10:00

1 stop30h 00m

Sydney Kingsford Smith

Wed 26/11

12:00-06:30

1 stop29h 30m

$1,543

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/11

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Sun 30/11

13:30-17:30

2 stops39h 00m

$1,543

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Tue 24/2

11:00-23:00

1 stop25h 00m

Melbourne

Tue 3/3

00:45-15:00

1 stop25h 15m

$1,632

LondonPerth

LHR - PER

LHRPER

London Heathrow

Wed 26/11

21:25-01:25

1 stop20h 00m

Perth

Thu 14/5

02:10-16:35

1 stop21h 25m

$1,851

LondonPerth

LHR - PER

LHRPER

London Heathrow

Sat 21/2

21:25-15:15

1 stop33h 50m

Perth

Sat 28/2

02:25-15:25

1 stop21h 00m

$1,867

LondonPerth

LHR - PER

LHRPER

London Heathrow

Tue 4/11

16:50-22:50

1 stop22h 00m

Perth

Mon 24/11

00:15-17:20

1 stop25h 05m

$1,890

LondonPerth

LHR - PER

LHRPER

London Heathrow

Fri 19/9

08:30-11:55

1 stop20h 25m

Perth

Fri 3/10

15:40-06:25

1 stop21h 45m

$1,904

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?

In general, May is the cheapest month to fly from London to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,626. If you don’t want to visit Australia in May, then you should wait until March to fly from London, when ticket prices are also cheap, with an average price of $1,705.

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

On average, the least expensive day to fly to Australia from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $2,153. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London to Australia on a Saturday will generally be more expensive and average around $3,083. 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 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 $2,532. 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 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 $2,027 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 $1,655 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 5% 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

$1,786

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 $1,786. The best return flight deal from London to Australia found on momondo in the last 72 hours is $2,247.
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 were last updated today.

  • 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 stopovers. 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 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 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
Air ChinaPriceFrom $621Free cancellationRating
7.3
96 reviews
Search Air China flights
China EasternPriceFrom $1,092Free cancellationRating
7.2
164 reviews
Search China Eastern flights
China SouthernPriceFrom $1,106Free cancellationRating
7.5
109 reviews
Search China Southern flights
British AirwaysPriceFrom $1,108Free cancellationRating
6.7
7,320 reviews
Search British Airways flights
Malaysia AirlinesPriceFrom $1,326Free cancellationRating
7.3
278 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
3,317 reviews
Search Emirates flights
United AirlinesPriceFrom $1,467Free cancellationRating
7.4
8,941 reviews
Search United Airlines flights
Air IndiaPriceFrom $1,504Free cancellationRating
5.5
2,930 reviews
Search Air India flights
Etihad AirwaysPriceFrom $1,512Free cancellationRating
7.4
1,242 reviews
Search Etihad Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Australia . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Australia from London which offer a flexible booking policy as well as other useful filters and features.

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?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from London and alert you when they change.

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2 travellers
Thu 4/9
Thu 11/9

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