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Cheap flights from the United Kingdom to Sydney from $815

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 Sydney departing on 20/11. 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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Find the cheapest flights from the United Kingdom to Sydney

Recent return flight deals from the United Kingdom to Sydney

Multiple Airlines Logo
20:30 - 18:50LHR-SYD
35h 20m3 stops
Multiple Airlines Logo
15:55 - 14:55SYD-LHR
34h 00m2 stops
$1,418Multiple Airlines
Find Deal
Tue, 28 Oct - Sat, 8 Nov
Multiple Airlines Logo
11:35 - 08:00LGW-SYD
59h 25m3 stops
Multiple Airlines Logo
15:50 - 16:15SYD-LGW
34h 25m2 stops
$1,423Multiple Airlines
Find Deal
Thu, 2 Oct - Wed, 15 Oct
China Southern Logo
19:15 - 20:25LHR-SYD
39h 10m2 stops
China Southern Logo
11:15 - 19:00SYD-LHR
41h 45m1 stop
$1,423China Southern
Find Deal
Sun, 12 Oct - Sun, 19 Oct
China Southern Logo
21:30 - 20:20LHR-SYD
35h 50m2 stops
China Southern Logo
22:10 - 18:35SYD-LHR
31h 25m1 stop
$1,425China Southern
Find Deal
Fri, 5 Dec - Wed, 21 Jan
China Eastern Logo
10:30 - 09:30LGW-SYD
36h 00m2 stops
China Eastern Logo
21:30 - 14:00SYD-LGW
27h 30m1 stop
$1,429China Eastern
Find Deal
Sun, 26 Oct - Sun, 9 Nov
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
China Eastern Logo
13:30 - 17:30SYD-LHR
39h 00m2 stops
$1,429China Eastern
Find Deal
Mon, 24 Nov - Thu, 27 Nov
Etihad Airways Logo
08:25 - 17:55MAN-SYD
22h 30m1 stop
Etihad Airways Logo
21:30 - 06:10SYD-MAN
43h 40m1 stop
$1,699Etihad Airways
Find Deal
Mon, 8 Dec - Tue, 24 Feb
Etihad Airways Logo
13:40 - 17:55MAN-SYD
41h 15m1 stop
Etihad Airways Logo
16:35 - 12:15SYD-MAN
30h 40m1 stop
$1,709Etihad Airways
Find Deal
Tue, 4 Nov - Fri, 21 Nov
Qatar Airways Logo
07:40 - 06:50BHX-SYD
36h 10m1 stop
Qatar Airways Logo
09:30 - 06:10SYD-BHX
31h 40m2 stops
$1,967Qatar Airways
Find Deal
Thu, 5 Mar - Fri, 20 Mar
Qatar Airways Logo
07:40 - 22:25BHX-SYD
27h 45m2 stops
Qatar Airways Logo
15:50 - 12:40SYD-BHX
31h 50m1 stop
$1,976Qatar Airways
Find Deal
Tue, 3 Feb - Tue, 24 Feb

China Southern flights from United Kingdom to Sydney

Our best China Southern deals on United Kingdom to Sydney flight tickets
China Southern
12 Oct
LHR19:15London Heathrow
39h 10m
2 stops
SYD20:25Sydney Kingsford Smith
19 Oct
SYD11:15Sydney Kingsford Smith
41h 45m
1 stop
LHR19:00London Heathrow
$1,423
Find similar
China Southern
5 Dec
LHR21:30London Heathrow
35h 50m
2 stops
SYD20:20Sydney Kingsford Smith
21 Jan
SYD22:10Sydney Kingsford Smith
31h 25m
1 stop
LHR18:35London Heathrow
$1,425
Find similar
China Southern
27 Oct
LHR21:30London Heathrow
35h 50m
2 stops
SYD20:20Sydney Kingsford Smith
9 Dec
SYD08:10Sydney Kingsford Smith
45h 25m
1 stop
LHR18:35London Heathrow
$1,426
Find similar

Etihad Airways flights from United Kingdom to Sydney

Our best Etihad Airways deals on United Kingdom to Sydney flight tickets
Etihad Airways
8 Dec
MAN08:25Manchester
22h 30m
1 stop
SYD17:55Sydney Kingsford Smith
24 Feb
SYD21:30Sydney Kingsford Smith
43h 40m
1 stop
MAN06:10Manchester
$1,699
Find similar
Etihad Airways
4 Nov
MAN13:40Manchester
41h 15m
1 stop
SYD17:55Sydney Kingsford Smith
21 Nov
SYD16:35Sydney Kingsford Smith
30h 40m
1 stop
MAN12:15Manchester
$1,709
Find similar
Etihad Airways
10 Nov
MAN19:55Manchester
23h 40m
1 stop
SYD06:35Sydney Kingsford Smith
25 Nov
SYD16:35Sydney Kingsford Smith
36h 20m
1 stop
MAN17:55Manchester
$1,714
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Sydney 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 21 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 28/10

20:30-18:50

3 stops35h 20m

Sydney Kingsford Smith

Sat 8/11

15:55-14:55

2 stops34h 00m

$1,418

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 2/10

11:35-08:00

3 stops59h 25m

Sydney Kingsford Smith

Wed 15/10

15:50-16:15

2 stops34h 25m

$1,423

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 12/10

19:15-20:25

2 stops39h 10m

Sydney Kingsford Smith

Sun 19/10

11:15-19:00

1 stop41h 45m

$1,423

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 5/12

21:30-20:20

2 stops35h 50m

Sydney Kingsford Smith

Wed 21/1

22:10-18:35

1 stop31h 25m

$1,425

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 26/10

10:30-09:30

2 stops36h 00m

Sydney Kingsford Smith

Sun 9/11

21:30-14:00

1 stop27h 30m

$1,429

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 24/11

21:00-10:00

1 stop26h 00m

Sydney Kingsford Smith

Thu 27/11

13:30-17:30

2 stops39h 00m

$1,429

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Mon 8/12

08:25-17:55

1 stop22h 30m

Sydney Kingsford Smith

Tue 24/2

21:30-06:10

1 stop43h 40m

$1,699

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Tue 4/11

13:40-17:55

1 stop41h 15m

Sydney Kingsford Smith

Fri 21/11

16:35-12:15

1 stop30h 40m

$1,709

BirminghamSydney

BHX - SYD

BHXSYD

Birmingham

Thu 5/3

07:40-06:50

1 stop36h 10m

Sydney Kingsford Smith

Fri 20/3

09:30-06:10

2 stops31h 40m

$1,967

BirminghamSydney

BHX - SYD

BHXSYD

Birmingham

Tue 3/2

07:40-22:25

2 stops27h 45m

Sydney Kingsford Smith

Tue 24/2

15:50-12:40

1 stop31h 50m

$1,976

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 Sydney from

How to get the cheapest flight ticket from United Kingdom to Sydney

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 Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from United Kingdom, with most prices found around $1,603. If you aren’t able to travel to Sydney during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,702.

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

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,163. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $3,055.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from United Kingdom to Sydney in the afternoon for as low as $1,911. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,509 on average. Flights to Sydney from United Kingdom in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest United Kingdom to Sydney Kingsford Smith flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best United Kingdom - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,009 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from United Kingdom for as low as $1,632 on momondo.

What cabin class options are available on United Kingdom to Sydney Kingsford Smith flights?

There are 2 cabin classes available to choose from on United Kingdom to Sydney Kingsford Smith 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 Sydney flights?

You could potentially save up to 35% on your flight if you consider stops on a United Kingdom to Sydney flight.

Cheap United Kingdom to Sydney flight deals and tips

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

Best price found

$1,955

Fastest flight time

22h 55m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from United Kingdom in the past 72 hours is $1,955. The best return flight deal from United Kingdom to Sydney found on momondo in the last 72 hours is $2,334.
The fastest flight from United Kingdom to Sydney takes 22h 55m
Direct flights go from United Kingdom to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Sydney Kingsford Smith Airport?

    Prices for flights from United Kingdom to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from United Kingdom to Sydney Kingsford Smith Airport?

    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 Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport 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 Sydney Kingsford Smith Airport. 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 United Kingdom to Sydney?

Best airlines flying from United Kingdom to Sydney

Compare and see reviews for airlines that fly from United Kingdom to Sydney with momondo
Airline
Rating
Free cancellation
Price
Air ChinaPriceFrom $1,054Free cancellationRating
7.2
105 reviews
Search Air China flights
China EasternPriceFrom $1,082Free cancellationRating
7.2
166 reviews
Search China Eastern flights
China SouthernPriceFrom $1,096Free cancellationRating
7.5
110 reviews
Search China Southern flights
Qantas AirwaysPriceFrom $1,324Free cancellationRating
7.5
907 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,481Free cancellationRating
7.4
3,625 reviews
Search Qatar Airways flights
Air IndiaPriceFrom $1,490Free cancellationRating
5.5
2,936 reviews
Search Air India flights
Malaysia AirlinesPriceFrom $1,525Free cancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
China AirlinesPriceFrom $1,553Free cancellationRating
8.3
768 reviews
Search China Airlines flights
Etihad AirwaysPriceFrom $1,558Free cancellationRating
7.4
1,256 reviews
Search Etihad Airways flights
SWISSPriceFrom $1,581Free cancellationRating
7.5
1,740 reviews
Search SWISS flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
Charlestown
Newport
Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to Sydney for you.

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

Yes. momondo enables you to select and highlight flights to Sydney from United Kingdom with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from United Kingdom.

I’m not ready to book a flight from United Kingdom to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United Kingdom to Sydney 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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