What is the cheapest airline that flies from London to Australia?

China Southern and China Eastern are the most popular carriers operating from London to Australia

How many flights depart from London to Australia on average per week?

The number of flights available between London and Australia is 28 per week as of August 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How many flights depart from London to Australia on average per day?

The number of flights available between London and Australia is 4 per day as of August 2025. The most frequent departure time is 21:00, with 75% of daily flights leaving in the evening.

Which airlines fly to Australia?

Singapore Airlines, China Southern and Qatar Airways are the top three most popular airlines that fly to Australia from London according to our data. Singapore Airlines is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 18 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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?

As of August 2025, there are 18 operators available to choose from 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.

$858 Cheap Flights from London to Australia in 2025

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Find the cheapest flights from London to Australia

Round-trip

One-way

Last minute

Direct

Cheap return flights

17:00 - 05:00LHR-MEL

25h 00m2 stops

13:30 - 07:20MEL-LHR

28h 50m2 stops

$1,540Royal Brunei Airlines

Find Deal

Wed, 29 Oct - Thu, 20 Nov

22:00 - 21:30LHR-MEL

36h 30m1 stop

11:25 - 17:55MEL-LHR

41h 30m2 stops

$1,542China Southern

Find Deal

Wed, 3 Dec - Wed, 17 Dec

21:30 - 13:35LHR-SYD

29h 05m2 stops

08:10 - 14:00SYD-LHR

40h 50m2 stops

$1,542China Southern

Find Deal

Sun, 28 Dec - Tue, 13 Jan

17:00 - 10:00LGW-SYD

30h 00m1 stop

12:00 - 06:30SYD-LGW

29h 30m1 stop

$1,543China Eastern

Find Deal

Sun, 9 Nov - Wed, 26 Nov

21:00 - 13:35LHR-SYD

29h 35m1 stop

13:30 - 17:30SYD-LHR

39h 00m2 stops

$1,543China Eastern

Find Deal

Mon, 3 Nov - Sun, 30 Nov

11:00 - 23:00LHR-MEL

25h 00m1 stop

00:45 - 15:00MEL-LHR

25h 15m1 stop

$1,632Cathay Pacific

Find Deal

Tue, 24 Feb - Tue, 3 Mar

21:25 - 01:25LHR-PER

20h 00m1 stop

02:10 - 16:35PER-LHR

21h 25m1 stop

$1,851Malaysia Airlines

Find Deal

Wed, 26 Nov - Thu, 14 May

21:25 - 15:15LHR-PER

33h 50m1 stop

02:25 - 15:25PER-LHR

21h 00m1 stop

$1,867Malaysia Airlines

Find Deal

Sat, 21 Feb - Sat, 28 Feb

16:50 - 22:50LHR-PER

22h 00m1 stop

00:15 - 17:20PER-LHR

25h 05m1 stop

$1,890Cathay Pacific

Find Deal

Tue, 4 Nov - Mon, 24 Nov

08:30 - 11:55LHR-PER

20h 25m1 stop

15:40 - 06:25PER-LHR

21h 45m1 stop

$1,904Qatar Airways

Find Deal

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

$1,543

Find similar

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

$1,545

Find similar

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

$1,548

Find similar

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

$1,799

Find similar

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

$1,829

Find similar

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

$1,832

Find similar

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

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

Prices

Airlines

Other information

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)

Search flight deals

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?
As of August 2025, there are 18 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Australia is Boeing 787-9 Dreamliner (82.23% of total bookings). The next most popular plane models are Airbus A380-800 (14.49%), Boeing 777-300ER (3.21%), and Airbus A380 (0.06%).

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 China	PriceFrom $621	Free cancellation	Rating 7.3 96 reviews	Search Air China flights
China Eastern	PriceFrom $1,092	Free cancellation	Rating 7.2 164 reviews	Search China Eastern flights
China Southern	PriceFrom $1,106	Free cancellation	Rating 7.5 109 reviews	Search China Southern flights
British Airways	PriceFrom $1,108	Free cancellation	Rating 6.7 7,320 reviews	Search British Airways flights
Malaysia Airlines	PriceFrom $1,326	Free cancellation	Rating 7.3 278 reviews	Search Malaysia Airlines flights
Royal Brunei Airlines	PriceFrom $1,388	Free cancellation	Rating 5.7 7 reviews	Search Royal Brunei Airlines flights
Emirates	PriceFrom $1,452	Free cancellation	Rating 8.1 3,317 reviews	Search Emirates flights
United Airlines	PriceFrom $1,467	Free cancellation	Rating 7.4 8,941 reviews	Search United Airlines flights
Air India	PriceFrom $1,504	Free cancellation	Rating 5.5 2,930 reviews	Search Air India flights
Etihad Airways	PriceFrom $1,512	Free cancellation	Rating 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.

An easier way to manage your Australia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Australia

Popular Cities in Australia

Look for other cheap flights to Sydney

Look for other cheap flights to Melbourne

Look for other cheap flights to Brisbanefrom $113

Look for other cheap flights to Perthfrom $336

Look for other cheap flights to Adelaide

Look for other cheap flights to Coolangattafrom $113

Look for other cheap flights to Cairnsfrom $156

Look for other cheap flights to Hobartfrom $136

Look for other cheap flights to Canberrafrom $180

Look for other cheap flights to Darwinfrom $295

Look for other cheap flights to Maroochydorefrom $121

Look for other cheap flights to Launcestonfrom $101

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.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from London to Australia

Cheap return flights

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Cheap last-minute flights

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China Eastern flights from London to Australia

Our best China Eastern deals on London to Australia flight tickets

SWISS flights from London to Australia

Our best SWISS deals on London to Australia flight tickets

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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?

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

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

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?

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.

What is the cheapest airline that flies from London to Australia?

China Southern and China Eastern are the most popular carriers operating from London to Australia

Which airlines fly to Australia?

How many flights depart from London to Australia on average per day?

The number of flights available between London and Australia is 4 per day as of August 2025. The most frequent departure time is 21:00, with 75% of daily flights leaving in the evening.

How many flights depart from London to Australia on average per week?

The number of flights available between London and Australia is 28 per week as of August 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Fastest flight time

Direct flights

Airports in Australia

When did momondo last update prices for flights from London to Australia?

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?

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Australia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Popular Cities in Australia

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