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Cheap flights from the United Kingdom to Australia from $850

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Australia departing on 17/11. 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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Recent return flight deals from the United Kingdom to Australia

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Hainan Airlines Logo
21:15 - 14:55LHR-SYD
30h 40m1 stop
Hainan Airlines Logo
21:00 - 17:55SYD-LHR
31h 55m2 stops
$1,394Hainan Airlines
Find Deal
Sun, 9 Nov - Sun, 7 Dec
China Eastern Logo
10:30 - 13:35LGW-SYD
40h 05m1 stop
China Eastern Logo
12:00 - 06:30SYD-LGW
29h 30m1 stop
$1,395China Eastern
Find Deal
Sun, 1 Mar - Sat, 7 Mar
China Southern Logo
17:15 - 09:25LHR-SYD
29h 10m2 stops
China Southern Logo
11:25 - 14:00SYD-LHR
37h 35m2 stops
$1,397China Southern
Find Deal
Wed, 29 Oct - Tue, 11 Nov
China Southern Logo
21:30 - 20:20LHR-SYD
35h 50m2 stops
China Southern Logo
11:25 - 14:00SYD-LHR
37h 35m2 stops
$1,398China Southern
Find Deal
Tue, 28 Oct - Sat, 17 Jan
Air India Logo
22:00 - 19:15LHR-SYD
34h 15m1 stop
Air India Logo
20:45 - 19:20SYD-LHR
33h 35m1 stop
$1,451Air India
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Thu, 30 Oct - Mon, 24 Nov
Air India Logo
08:45 - 18:55LHR-MEL
23h 10m1 stop
Air India Logo
20:30 - 06:35MEL-LHR
45h 05m1 stop
$1,463Air India
Find Deal
Sat, 27 Dec - Sun, 25 Jan
Cathay Pacific Logo
11:00 - 22:55LHR-PER
27h 55m1 stop
Cathay Pacific Logo
00:25 - 20:10PER-LHR
27h 45m1 stop
$1,732Cathay Pacific
Find Deal
Tue, 11 Nov - Mon, 17 Nov
Cathay Pacific Logo
20:15 - 22:55LHR-PER
42h 40m1 stop
Cathay Pacific Logo
08:30 - 07:00PER-LHR
30h 30m1 stop
$1,733Cathay Pacific
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Sun, 9 Nov - Sun, 23 Nov
Emirates Logo
14:05 - 22:30STN-SYD
21h 25m1 stop
Emirates Logo
06:00 - 17:55SYD-STN
22h 55m1 stop
$1,827Emirates
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Sun, 1 Mar - Tue, 10 Mar
Emirates Logo
09:10 - 07:35LHR-AVV
35h 25m2 stops
Emirates Logo
08:10 - 13:50AVV-LHR
40h 40m2 stops
$2,448Emirates
Find Deal
Sun, 1 Mar - Tue, 17 Mar

Hainan Airlines flights from United Kingdom to Australia

Our best Hainan Airlines deals on United Kingdom to Australia flight tickets
Hainan Airlines
9 Nov
LHR21:15London Heathrow
30h 40m
1 stop
SYD14:55Sydney Kingsford Smith
7 Dec
SYD21:00Sydney Kingsford Smith
31h 55m
2 stops
LHR17:55London Heathrow
$1,394
Find similar
Hainan Airlines
26 Oct
LHR21:15London Heathrow
30h 40m
1 stop
SYD14:55Sydney Kingsford Smith
28 Dec
SYD21:00Sydney Kingsford Smith
31h 55m
2 stops
LHR17:55London Heathrow
$1,426
Find similar
Hainan Airlines
26 Oct
LHR21:15London Heathrow
30h 40m
1 stop
SYD14:55Sydney Kingsford Smith
30 Oct
SYD21:00Sydney Kingsford Smith
31h 35m
2 stops
LHR17:35London Heathrow
$1,434
Find similar

China Eastern flights from United Kingdom to Australia

Our best China Eastern deals on United Kingdom to Australia flight tickets
China Eastern
1 Mar
LGW10:30London Gatwick
40h 05m
1 stop
SYD13:35Sydney Kingsford Smith
7 Mar
SYD12:00Sydney Kingsford Smith
29h 30m
1 stop
LGW06:30London Gatwick
$1,395
Find similar
China Eastern
31 Dec
LGW10:30London Gatwick
37h 30m
3 stops
SYD11:00Sydney Kingsford Smith
11 Feb
SYD10:30Sydney Kingsford Smith
38h 30m
1 stop
LGW14:00London Gatwick
$1,400
Find similar
China Eastern
29 Dec
LGW17:00London Gatwick
33h 35m
1 stop
SYD13:35Sydney Kingsford Smith
15 Jan
SYD12:00Sydney Kingsford Smith
29h 30m
1 stop
LGW06:30London Gatwick
$1,403
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 October 2025.
Use the filters below to find and compare flights from the United Kingdom to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 9/11

21:15-14:55

1 stop30h 40m

Sydney Kingsford Smith

Sun 7/12

21:00-17:55

2 stops31h 55m

$1,394

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 1/3

10:30-13:35

1 stop40h 05m

Sydney Kingsford Smith

Sat 7/3

12:00-06:30

1 stop29h 30m

$1,395

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 29/10

17:15-09:25

2 stops29h 10m

Sydney Kingsford Smith

Tue 11/11

11:25-14:00

2 stops37h 35m

$1,397

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 28/10

21:30-20:20

2 stops35h 50m

Sydney Kingsford Smith

Sat 17/1

11:25-14:00

2 stops37h 35m

$1,398

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 30/10

22:00-19:15

1 stop34h 15m

Sydney Kingsford Smith

Mon 24/11

20:45-19:20

1 stop33h 35m

$1,451

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sat 27/12

08:45-18:55

1 stop23h 10m

Melbourne

Sun 25/1

20:30-06:35

1 stop45h 05m

$1,463

LondonPerth

LHR - PER

LHRPER

London Heathrow

Tue 11/11

11:00-22:55

1 stop27h 55m

Perth

Mon 17/11

00:25-20:10

1 stop27h 45m

$1,732

LondonPerth

LHR - PER

LHRPER

London Heathrow

Sun 9/11

20:15-22:55

1 stop42h 40m

Perth

Sun 23/11

08:30-07:00

1 stop30h 30m

$1,733

LondonSydney

STN - SYD

STNSYD

London Stansted

Sun 1/3

14:05-22:30

1 stop21h 25m

Sydney Kingsford Smith

Tue 10/3

06:00-17:55

1 stop22h 55m

$1,827

LondonMelbourne

LHR - AVV

LHRAVV

London Heathrow

Sun 1/3

09:10-07:35

2 stops35h 25m

Melbourne Avalon

Tue 17/3

08:10-13:50

2 stops40h 40m

$2,448

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 United Kingdom 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 United Kingdom to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,631. If you don’t want to visit Australia in May, then you should wait until June to fly from United Kingdom, when ticket prices are also cheap, with an average price of $1,738.

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

On average, the least expensive day to fly to Australia from United Kingdom is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $2,173. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from United Kingdom to Australia on a Saturday will generally be more expensive and average around $3,111. 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 United Kingdom to Australia in the afternoon for as low as $2,058. 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 $2,555. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United Kingdom to Australia flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,055 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 United Kingdom for as low as $1,749 on momondo.

What cabin class options are available on United Kingdom to Australia flights?

There are 3 cabin classes available to choose from on United Kingdom 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 United Kingdom to Australia flights?

You could potentially save up to 13% on your flight if you consider stops on a United Kingdom to Australia flight.

Cheap United Kingdom to Australia flight deals and tips

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

Best price found

$1,859

Fastest flight time

16h 40m

Direct flights

Every day

Airports in Australia

1 airport
The best one-way flight to Australia from United Kingdom in the past 72 hours is $1,859. The best return flight deal from United Kingdom to Australia found on momondo in the last 72 hours is $3,429.
The fastest flight from United Kingdom to Australia takes 16h 40m
Direct flights go from United Kingdom to Australia every day.
There is 1 airport near Australia: Perth (PER)
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Australia?

    Prices for flights from United Kingdom to Australia were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom 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 licence, 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 United Kingdom to Australia?

Best airlines flying from United Kingdom to Australia

Compare and see reviews for airlines that fly from United Kingdom to Australia with momondo
Airline
Rating
Free cancellation
Price
China EasternPriceFrom $1,102Free cancellationRating
7.2
168 reviews
Search China Eastern flights
China SouthernPriceFrom $1,117Free cancellationRating
7.4
116 reviews
Search China Southern flights
British AirwaysPriceFrom $1,118Free cancellationRating
6.7
7,449 reviews
Search British Airways flights
Air ChinaPriceFrom $1,196Free cancellationRating
7.2
113 reviews
Search Air China flights
Malaysia AirlinesPriceFrom $1,339Free cancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Qantas AirwaysPriceFrom $1,349Free cancellationRating
7.5
917 reviews
Search Qantas Airways flights
Royal Brunei AirlinesPriceFrom $1,401Free cancellationRating
0.0
0 reviews
Search Royal Brunei Airlines flights
Turkish AirlinesPriceFrom $1,461Free cancellationRating
7.3
4,004 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,465Free cancellationRating
8.1
3,371 reviews
Search Emirates flights
United AirlinesPriceFrom $1,480Free cancellationRating
7.4
8,968 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Australia from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for United Kingdom to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from United Kingdom to Australia?

momondo helps you find the best flight between United Kingdom 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 United Kingdom to Australia right now. Can momondo alert me if prices change?

Price alerts on flights to Australia from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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