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Cheap flights from London to Sydney from $954

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 Sydney departing on 15/3. 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

Enter your travel dates to find the best prices.
China Southern Logo
17:15 - 09:25
LHR
-
SYD
29h 10m2 stops
China Southern Logo
21:45 - 18:05
SYD
-
LHR
53h 20m2 stops
$1,561China Southern
dom, 22 mar - seg, 20 abr
Emirates Logo
20:25 - 07:00
LGW
-
SYD
23h 35m1 stop
Emirates Logo
06:00 - 18:25
SYD
-
LGW
23h 25m1 stop
$1,563Emirates
dom, 1 mar - sex, 27 mar
China Southern Logo
21:30 - 20:20
LHR
-
SYD
35h 50m2 stops
China Southern Logo
11:25 - 14:00
SYD
-
LHR
37h 35m2 stops
$1,563China Southern
ter, 10 mar - sáb, 14 mar
Emirates Logo
13:35 - 22:30
LGW
-
SYD
21h 55m1 stop
Emirates Logo
06:00 - 18:45
SYD
-
LGW
23h 45m1 stop
$1,564Emirates
sex, 27 fev - dom, 29 mar
China Southern Logo
22:10 - 08:25
LHR
-
SYD
25h 15m1 stop
China Southern Logo
10:05 - 19:00
SYD
-
LHR
41h 55m1 stop
$1,564China Southern
dom, 5 abr - ter, 5 mai
China Eastern Logo
21:00 - 07:20
LHR
-
SYD
47h 20m3 stops
China Eastern Logo
21:30 - 17:30
SYD
-
LHR
31h 00m1 stop
$1,566China Eastern
ter, 10 fev - qui, 12 mar
China Southern Logo
12:00 - 19:40
LGW
-
SYD
22h 40m1 stop
China Southern Logo
21:45 - 18:30
SYD
-
LGW
53h 45m2 stops
$1,566China Southern
sex, 5 jun - dom, 21 jun
China Eastern Logo
21:00 - 07:20
LHR
-
SYD
47h 20m3 stops
China Eastern Logo
13:30 - 17:30
SYD
-
LHR
39h 00m2 stops
$1,567China Eastern
ter, 10 fev - qui, 12 mar
Multiple Airlines Logo
19:55 - 18:50
STN
-
SYD
35h 55m2 stops
Multiple Airlines Logo
13:35 - 21:40
SYD
-
STN
43h 05m3 stops
$1,567Multiple Airlines
seg, 16 fev - dom, 22 fev
SWISS Logo
08:10 - 06:10
LCY
-
SYD
37h 00m2 stops
SWISS Logo
07:55 - 07:35
SYD
-
LCY
32h 40m2 stops
$1,862SWISS
seg, 1 jun - dom, 14 jun

China Southern flights from London to Sydney

Our best China Southern deals on London to Sydney flight tickets
China Southern
22 Mar
LHR17:15London Heathrow
29h 10m
2 stops
SYD09:25Sydney Kingsford Smith
21 Apr
SYD10:05Sydney Kingsford Smith
41h 00m
2 stops
LHR18:05London Heathrow
$1,561
Find similar
China Southern
10 Mar
LHR21:30London Heathrow
35h 50m
2 stops
SYD20:20Sydney Kingsford Smith
14 Mar
SYD11:25Sydney Kingsford Smith
37h 35m
2 stops
LHR14:00London Heathrow
$1,563
Find similar
China Southern
5 Apr
LHR22:10London Heathrow
25h 15m
1 stop
SYD08:25Sydney Kingsford Smith
6 May
SYD10:05Sydney Kingsford Smith
41h 55m
1 stop
LHR19:00London Heathrow
$1,564
Find similar

Emirates flights from London to Sydney

Our best Emirates deals on London to Sydney flight tickets
Emirates
1 Mar
LGW20:25London Gatwick
23h 35m
1 stop
SYD07:00Sydney Kingsford Smith
27 Mar
SYD06:00Sydney Kingsford Smith
23h 25m
1 stop
LGW18:25London Gatwick
$1,563
Find similar
Emirates
27 Feb
LGW13:35London Gatwick
21h 55m
1 stop
SYD22:30Sydney Kingsford Smith
29 Mar
SYD06:00Sydney Kingsford Smith
23h 45m
1 stop
LGW18:45London Gatwick
$1,564
Find similar
Emirates
1 May
STN21:05London Stansted
24h 00m
1 stop
SYD06:05Sydney Kingsford Smith
19 May
SYD20:10Sydney Kingsford Smith
25h 45m
1 stop
STN12:55London Stansted
$1,576
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 17 dezembro 2025.
Use the filters below to find and compare flights from London to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

dom 22/3

17:15-09:25

2 stops29h 10m

Sydney Kingsford Smith

seg 20/4

21:45-18:05

2 stops53h 20m

$1,561

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

dom 1/3

20:25-07:00

1 stop23h 35m

Sydney Kingsford Smith

sex 27/3

06:00-18:25

1 stop23h 25m

$1,563

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

ter 10/3

21:30-20:20

2 stops35h 50m

Sydney Kingsford Smith

sáb 14/3

11:25-14:00

2 stops37h 35m

$1,563

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

sex 27/2

13:35-22:30

1 stop21h 55m

Sydney Kingsford Smith

dom 29/3

06:00-18:45

1 stop23h 45m

$1,564

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

dom 5/4

22:10-08:25

1 stop25h 15m

Sydney Kingsford Smith

ter 5/5

10:05-19:00

1 stop41h 55m

$1,564

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

ter 10/2

21:00-07:20

3 stops47h 20m

Sydney Kingsford Smith

qui 12/3

21:30-17:30

1 stop31h 00m

$1,566

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

sex 5/6

12:00-19:40

1 stop22h 40m

Sydney Kingsford Smith

dom 21/6

21:45-18:30

2 stops53h 45m

$1,566

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

ter 10/2

21:00-07:20

3 stops47h 20m

Sydney Kingsford Smith

qui 12/3

13:30-17:30

2 stops39h 00m

$1,567

LondonSydney

STN - SYD

STNSYD

London Stansted

seg 16/2

19:55-18:50

2 stops35h 55m

Sydney Kingsford Smith

dom 22/2

13:35-21:40

3 stops43h 05m

$1,567

LondonSydney

LCY - SYD

LCYSYD

London City

seg 1/6

08:10-06:10

2 stops37h 00m

Sydney Kingsford Smith

dom 14/6

07:55-07:35

2 stops32h 40m

$1,862

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Sydney?

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from London, with most prices found around $1,576. If you aren’t able to travel to Sydney during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,694.

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 $2,157. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $3,047.

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 London to Sydney in the afternoon for as low as $1,906. 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 $2,502 on average. Flights to Sydney from London in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to Sydney Kingsford Smith flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best London - 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 London when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,001 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 London for as low as $1,655 on momondo.

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

There are 2 cabin classes available to choose from on London 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 London to Sydney flights?

You could potentially save up to 28% on your flight if you consider stops on a London to Sydney flight.

How have London to Sydney flight prices changed over time?

As of December 2025, prices for London to Sydney flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from London to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from London to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Sydney (LON to SYD) flight deals and tips

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

Best price found

$1,788

Fastest flight time

21h 25m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from London in the past 72 hours is $1,788. The best return flight deal from London to Sydney found on momondo in the last 72 hours is $2,035.
The fastest flight from London to Sydney takes 21h 25m
Direct flights go from London to Sydney every day.
There is 1 airport in Sydney. From London there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

  • How far is London to Sydney Kingsford Smith by plane?

    A flight from London to Sydney Kingsford Smith will travel around 16983.0 km. A reasonable flight in good conditions will take 21h 25m.

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

    Prices for flights from London to Sydney Kingsford Smith Airport refresh daily.

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

  • How old do you have to be to fly from London 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 London to Sydney Kingsford Smith Airport.

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

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Sydney?

  • What is the most popular airline from London to Sydney?

Best airlines flying from London to Sydney

Compare and see reviews for airlines that fly from London to Sydney with momondo
Airline
Rating
Free cancellation
Price
Air ChinaPriceFrom $1,051Free cancellationRating
7.1
129 reviews
Search Air China flights
China EasternPriceFrom $1,079Free cancellationRating
7.2
178 reviews
Search China Eastern flights
China SouthernPriceFrom $1,093Free cancellationRating
7.5
122 reviews
Search China Southern flights
Air IndiaPriceFrom $1,487Free cancellationRating
5.5
2,952 reviews
Search Air India flights
Malaysia AirlinesPriceFrom $1,521Free cancellationRating
7.3
282 reviews
Search Malaysia Airlines flights
China AirlinesPriceFrom $1,549Free cancellationRating
8.3
792 reviews
Search China Airlines flights
Etihad AirwaysPriceFrom $1,570Free cancellationRating
7.4
1,332 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $1,646Free cancellationRating
7.6
1,095 reviews
Search Cathay Pacific flights
British AirwaysPriceFrom $1,660Free cancellationRating
6.7
7,585 reviews
Search British Airways flights
EmiratesPriceFrom $1,692Free cancellationRating
8.1
3,440 reviews
Search Emirates flights

  • Qantas Airways Flights From London to Sydney

    The lowest priced Qantas Airways flight from London to Sydney from the last 72 hours was $1,922. Generally, Qantas Airways has 7 flights on this route every week with an average price of $2,850. Qantas Airways is rated 7.5/10 by our users.

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
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for London to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Sydney?

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 Sydney.

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

Of course. momondo tracks the price of London to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney 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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