Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Sydney from $869

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 27/5. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
11:35 - 09:00
LGW
-
SYD
36h 25m
1 stop
China Eastern Logo
20:30 - 15:00
SYD
-
LGW
27h 30m
1 stop
$1,504China Eastern
Sun, 19 Apr - Mon, 4 May
Turkish Airlines Logo
16:35 - 06:35
LHR
-
SYD
27h 00m
2 stops
Turkish Airlines Logo
21:45 - 14:55
SYD
-
LHR
28h 10m
2 stops
$1,504Turkish Airlines
Mon, 9 Feb - Mon, 16 Feb
Multiple Airlines Logo
17:15 - 06:35
LHR
-
SYD
26h 20m
2 stops
Multiple Airlines Logo
21:00 - 17:35
SYD
-
LHR
31h 35m
2 stops
$1,506Multiple Airlines
Wed, 28 Jan - Thu, 12 Feb
China Eastern Logo
17:00 - 10:00
LGW
-
SYD
30h 00m
1 stop
China Eastern Logo
12:00 - 06:30
SYD
-
LGW
29h 30m
1 stop
$1,506China Eastern
Wed, 28 Jan - Mon, 9 Feb
China Eastern Logo
21:00 - 13:35
LHR
-
SYD
29h 35m
1 stop
China Eastern Logo
12:00 - 17:30
SYD
-
LHR
40h 30m
1 stop
$1,507China Eastern
Tue, 3 Feb - Thu, 5 Mar
China Southern Logo
22:10 - 08:25
LHR
-
SYD
25h 15m
1 stop
China Southern Logo
21:45 - 18:05
SYD
-
LHR
29h 20m
2 stops
$1,509China Southern
Sun, 3 May - Sun, 31 May
Emirates Logo
14:05 - 22:30
STN
-
SYD
21h 25m
1 stop
Emirates Logo
06:00 - 17:55
SYD
-
STN
22h 55m
1 stop
$1,509Emirates
Sun, 8 Mar - Sun, 15 Mar
China Eastern Logo
18:00 - 09:00
LGW
-
SYD
30h 00m
1 stop
China Eastern Logo
11:00 - 15:10
SYD
-
LGW
37h 10m
1 stop
$1,509China Eastern
Thu, 9 Apr - Thu, 23 Apr
Multiple Airlines Logo
10:30 - 07:20
LGW
-
SYD
33h 50m
3 stops
Multiple Airlines Logo
09:20 - 17:20
SYD
-
LGW
43h 00m
2 stops
$1,510Multiple Airlines
Fri, 30 Jan - Mon, 9 Feb
China Eastern Logo
21:00 - 11:00
LHR
-
SYD
51h 00m
3 stops
China Eastern Logo
13:30 - 17:30
SYD
-
LHR
63h 00m
3 stops
$1,510China Eastern
Wed, 28 Jan - Sat, 7 Feb

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets
China Eastern
19 Apr
LGW11:35London Gatwick
36h 25m
1 stop
SYD09:00Sydney Kingsford Smith
4 May
SYD20:30Sydney Kingsford Smith
27h 30m
1 stop
LGW15:00London Gatwick
$1,504
China Eastern
17 Feb
LGW17:00London Gatwick
33h 35m
1 stop
SYD13:35Sydney Kingsford Smith
19 Mar
SYD21:30Sydney Kingsford Smith
27h 30m
1 stop
LGW14:00London Gatwick
$1,506
China Eastern
27 Jan
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
3 Feb
SYD21:30Sydney Kingsford Smith
31h 00m
1 stop
LHR17:30London Heathrow
$1,507

Turkish Airlines flights from London to Sydney

Our best Turkish Airlines deals on London to Sydney flight tickets
Turkish Airlines
6 Feb
LHR16:35London Heathrow
27h 00m
2 stops
SYD06:35Sydney Kingsford Smith
13 Feb
SYD21:45Sydney Kingsford Smith
29h 25m
2 stops
LHR16:10London Heathrow
$1,504
Turkish Airlines
6 Feb
LHR16:35London Heathrow
27h 00m
2 stops
SYD06:35Sydney Kingsford Smith
7 Mar
SYD21:45Sydney Kingsford Smith
28h 10m
2 stops
LHR14:55London Heathrow
$1,542
Turkish Airlines
28 Feb
LHR16:40London Heathrow
26h 55m
2 stops
SYD06:35Sydney Kingsford Smith
14 Mar
SYD21:45Sydney Kingsford Smith
28h 10m
2 stops
LHR14:55London Heathrow
$1,545

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 18 January 2026.
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

LGW - SYD

LGWSYD

London Gatwick

Sun 19/4

11:35-09:00

1 stop36h 25m

Sydney Kingsford Smith

Mon 4/5

20:30-15:00

1 stop27h 30m

$1,504

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 9/2

16:35-06:35

2 stops27h 00m

Sydney Kingsford Smith

Mon 16/2

21:45-14:55

2 stops28h 10m

$1,504

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 28/1

17:15-06:35

2 stops26h 20m

Sydney Kingsford Smith

Thu 12/2

21:00-17:35

2 stops31h 35m

$1,506

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 28/1

17:00-10:00

1 stop30h 00m

Sydney Kingsford Smith

Mon 9/2

12:00-06:30

1 stop29h 30m

$1,506

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/2

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Thu 5/3

12:00-17:30

1 stop40h 30m

$1,507

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 3/5

22:10-08:25

1 stop25h 15m

Sydney Kingsford Smith

Sun 31/5

21:45-18:05

2 stops29h 20m

$1,509

LondonSydney

STN - SYD

STNSYD

London Stansted

Sun 8/3

14:05-22:30

1 stop21h 25m

Sydney Kingsford Smith

Sun 15/3

06:00-17:55

1 stop22h 55m

$1,509

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 9/4

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Thu 23/4

11:00-15:10

1 stop37h 10m

$1,509

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Fri 30/1

10:30-07:20

3 stops33h 50m

Sydney Kingsford Smith

Mon 9/2

09:20-17:20

2 stops43h 00m

$1,510

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 28/1

21:00-11:00

3 stops51h 00m

Sydney Kingsford Smith

Sat 7/2

13:30-17:30

3 stops63h 00m

$1,510

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 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 $1,560. 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 $1,666.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,238. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $3,339.

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 $1,983 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 $1,739 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.

How have London to Sydney flight prices changed over time?

As of January 2026, prices for London to Sydney flights are approximately 24% 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

$1,319

Fastest flight time

22h 10m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from London in the past 72 hours is $1,319. The best return flight deal from London to Sydney found on momondo in the last 72 hours is $1,746.
The fastest flight from London to Sydney takes 22h 10m
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 22h 10m.

  • 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 $1,040Free cancellationRating
7.2
138 reviews
Search Air China flights
China EasternPriceFrom $1,068Free cancellationRating
7.2
190 reviews
Search China Eastern flights
China SouthernPriceFrom $1,082Free cancellationRating
7.3
133 reviews
Search China Southern flights
Air IndiaPriceFrom $1,471Free cancellationRating
5.5
2,975 reviews
Search Air India flights
Malaysia AirlinesPriceFrom $1,505Free cancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
China AirlinesPriceFrom $1,533Free cancellationRating
8.3
799 reviews
Search China Airlines flights
Etihad AirwaysPriceFrom $1,553Free cancellationRating
7.3
1,373 reviews
Search Etihad Airways flights
British AirwaysPriceFrom $1,642Free cancellationRating
6.7
7,689 reviews
Search British Airways flights
Cathay PacificPriceFrom $1,648Free cancellationRating
7.6
1,139 reviews
Search Cathay Pacific flights
Qantas AirwaysPriceFrom $1,746Free cancellationRating
7.5
973 reviews
Search Qantas Airways flights

  • Qantas Airways Flights From London to Sydney

    The lowest priced Qantas Airways flight from London to Sydney from the last 72 hours was $1,746. Generally, Qantas Airways has 7 flights on this route every week with an average price of $2,542. 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
Penrith
Terrigal
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 17/2
Tue 24/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia