Cheap flights from London to Australia from $826

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 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

 Logo
21:00 - 15:10LHR-MEL
31h 10m2 stops
 Logo
16:55 - 09:55MEL-LHR
28h 00m2 stops
$1,393
Find Deal
Fri, 7 Nov - Thu, 13 Nov
 Logo
17:40 - 15:45LHR-MEL
35h 05m1 stop
 Logo
16:55 - 09:55MEL-LHR
28h 00m2 stops
$1,395
Find Deal
Wed, 12 Nov - Mon, 24 Nov
China Southern Logo
21:30 - 21:30LHR-MEL
37h 00m2 stops
China Southern Logo
23:30 - 17:55MEL-LHR
29h 25m2 stops
$1,398China Southern
Find Deal
Sun, 9 Nov - Sun, 30 Nov
 Logo
21:00 - 15:10LHR-MEL
31h 10m2 stops
 Logo
16:55 - 16:10MEL-LHR
34h 15m2 stops
$1,401
Find Deal
Fri, 7 Nov - Sat, 15 Nov
China Eastern Logo
21:00 - 14:05LHR-MEL
30h 05m1 stop
China Eastern Logo
22:30 - 17:30MEL-LHR
30h 00m1 stop
$1,402China Eastern
Find Deal
Sun, 1 Mar - Tue, 24 Mar
China Southern Logo
20:20 - 21:30LGW-MEL
38h 10m2 stops
China Southern Logo
11:25 - 07:00MEL-LGW
30h 35m1 stop
$1,402China Southern
Find Deal
Tue, 25 Nov - Sun, 7 Dec
China Eastern Logo
21:00 - 11:00LHR-MEL
75h 00m3 stops
China Eastern Logo
22:30 - 17:30MEL-LHR
30h 00m1 stop
$1,404China Eastern
Find Deal
Tue, 3 Mar - Tue, 24 Mar
Cathay Pacific Logo
11:00 - 22:50LHR-PER
27h 50m1 stop
Cathay Pacific Logo
08:30 - 05:30PER-LHR
29h 00m1 stop
$1,764Cathay Pacific
Find Deal
Thu, 6 Nov - Thu, 20 Nov
Cathay Pacific Logo
22:05 - 06:55LHR-PER
24h 50m1 stop
Cathay Pacific Logo
08:30 - 05:30PER-LHR
29h 00m1 stop
$1,767Cathay Pacific
Find Deal
Wed, 29 Oct - Mon, 17 Nov
Malaysia Airlines Logo
21:25 - 15:15LHR-PER
33h 50m1 stop
Malaysia Airlines Logo
16:15 - 15:25PER-LHR
31h 10m1 stop
$1,772Malaysia Airlines
Find Deal
Sat, 21 Feb - Sun, 1 Mar

Emirates flights from London to Australia

Our best Emirates deals on London to Australia flight tickets
Emirates
24 Feb
STN20:15London Stansted
23h 45m
1 stop
SYD07:00Sydney Kingsford Smith
8 Mar
SYD06:00Sydney Kingsford Smith
23h 00m
1 stop
STN18:00London Stansted
Emirates
10 Mar
STN14:05London Stansted
21h 25m
1 stop
SYD22:30Sydney Kingsford Smith
29 Mar
SYD06:00Sydney Kingsford Smith
40h 55m
1 stop
STN11:55London Stansted
Emirates
5 Nov
LGW13:35London Gatwick
42h 00m
1 stop
SYD18:35Sydney Kingsford Smith
25 Nov
SYD06:00Sydney Kingsford Smith
23h 25m
1 stop
LGW18:25London Gatwick

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
18 Nov
SYD15:15Sydney Kingsford Smith
28h 30m
2 stops
LCY08:45London City
SWISS
2 Mar
LCY13:30London City
30h 45m
2 stops
SYD07:15Sydney Kingsford Smith
16 Mar
SYD12:15Sydney Kingsford Smith
31h 20m
2 stops
LCY08:35London City
SWISS
9 Nov
LCY19:20London City
24h 55m
2 stops
SYD07:15Sydney Kingsford Smith
18 Nov
SYD15:15Sydney Kingsford Smith
28h 30m
2 stops
LCY08:45London 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 12 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

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Fri 7/11

21:00-15:10

2 stops31h 10m

Melbourne

Thu 13/11

16:55-09:55

2 stops28h 00m

$1,393

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Wed 12/11

17:40-15:45

1 stop35h 05m

Melbourne

Mon 24/11

16:55-09:55

2 stops28h 00m

$1,395

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 9/11

21:30-21:30

2 stops37h 00m

Melbourne

Sun 30/11

23:30-17:55

2 stops29h 25m

$1,398

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Fri 7/11

21:00-15:10

2 stops31h 10m

Melbourne

Sat 15/11

16:55-16:10

2 stops34h 15m

$1,401

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 1/3

21:00-14:05

1 stop30h 05m

Melbourne

Tue 24/3

22:30-17:30

1 stop30h 00m

$1,402

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Tue 25/11

20:20-21:30

2 stops38h 10m

Melbourne

Sun 7/12

11:25-07:00

1 stop30h 35m

$1,402

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Tue 3/3

21:00-11:00

3 stops75h 00m

Melbourne

Tue 24/3

22:30-17:30

1 stop30h 00m

$1,404

LondonPerth

LHR - PER

LHRPER

London Heathrow

Thu 6/11

11:00-22:50

1 stop27h 50m

Perth

Thu 20/11

08:30-05:30

1 stop29h 00m

$1,764

LondonPerth

LHR - PER

LHRPER

London Heathrow

Wed 29/10

22:05-06:55

1 stop24h 50m

Perth

Mon 17/11

08:30-05:30

1 stop29h 00m

$1,767

LondonPerth

LHR - PER

LHRPER

London Heathrow

Sat 21/2

21:25-15:15

1 stop33h 50m

Perth

Sun 1/3

16:15-15:25

1 stop31h 10m

$1,772

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 $1,604. 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 $1,681.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $2,152. 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 $3,040. 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 $2,010. 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 $2,496. 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 $2,000 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 $1,633 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 11% 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

$1,860

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 $1,860. The best return flight deal from London to Australia found on momondo in the last 72 hours is $2,257.
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 $1,043Free cancellationRating
7.2
99 reviews
Search Air China flights
China EasternPriceFrom $1,077Free cancellationRating
7.2
165 reviews
Search China Eastern flights
China SouthernPriceFrom $1,091Free cancellationRating
7.5
110 reviews
Search China Southern flights
British AirwaysPriceFrom $1,092Free cancellationRating
6.6
7,361 reviews
Search British Airways flights
Malaysia AirlinesPriceFrom $1,308Free cancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Royal Brunei AirlinesPriceFrom $1,368Free cancellationRating
5.7
7 reviews
Search Royal Brunei Airlines flights
EmiratesPriceFrom $1,432Free cancellationRating
8.1
3,334 reviews
Search Emirates flights
United AirlinesPriceFrom $1,446Free cancellationRating
7.4
8,937 reviews
Search United Airlines flights
Air IndiaPriceFrom $1,483Free cancellationRating
5.5
2,930 reviews
Search Air India flights
Etihad AirwaysPriceFrom $1,490Free cancellationRating
7.4
1,250 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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1 adult
Sun 12/10
Sun 19/10

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