Cheap flights from Sydney to London from £261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to London departing on 27/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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China Southern Logo
22:15 - 07:05SYD-LGW
42h 50m1 stop
China Southern Logo
20:20 - 20:20LGW-SYD
37h 00m2 stops
£513China Southern
Find Deal
Tue, 14 Oct - Tue, 4 Nov
China Southern Logo
11:25 - 18:15SYD-LHR
41h 50m1 stop
China Southern Logo
22:00 - 09:25LHR-SYD
24h 25m1 stop
£532China Southern
Find Deal
Mon, 3 Nov - Sun, 23 Nov
 Logo
13:50 - 14:10SYD-LGW
34h 20m2 stops
 Logo
06:45 - 20:35LGW-SYD
50h 50m2 stops
Tue, 14 Oct - Sun, 30 Nov
China Eastern Logo
11:00 - 15:00SYD-LGW
37h 00m1 stop
China Eastern Logo
11:35 - 09:00LGW-SYD
36h 25m1 stop
£599China Eastern
Find Deal
Mon, 11 Aug - Tue, 26 Aug
China Eastern Logo
11:00 - 15:00SYD-LGW
37h 00m1 stop
China Eastern Logo
11:35 - 12:35LGW-SYD
40h 00m1 stop
£602China Eastern
Find Deal
Mon, 11 Aug - Mon, 18 Aug
 Logo
10:15 - 09:15SYD-LTN
32h 00m2 stops
 Logo
06:05 - 19:25LTN-SYD
28h 20m2 stops
Sat, 6 Sep - Mon, 22 Sep
Emirates Logo
06:00 - 18:00SYD-STN
23h 00m1 stop
Emirates Logo
14:05 - 18:35STN-SYD
41h 30m1 stop
£793Emirates
Find Deal
Wed, 19 Nov - Thu, 4 Dec
Emirates Logo
06:00 - 18:00SYD-STN
23h 00m1 stop
Emirates Logo
14:05 - 22:30STN-SYD
21h 25m1 stop
£799Emirates
Find Deal
Thu, 20 Nov - Tue, 25 Nov
SWISS Logo
16:10 - 08:45SYD-LCY
27h 35m2 stops
SWISS Logo
13:30 - 07:15LCY-SYD
30h 45m2 stops
£900SWISS
Find Deal
Thu, 13 Nov - Thu, 20 Nov
SWISS Logo
16:10 - 17:05SYD-LCY
35h 55m2 stops
SWISS Logo
19:20 - 11:50LCY-SYD
29h 30m2 stops
£901SWISS
Find Deal
Wed, 5 Nov - Sun, 16 Nov

China Southern flights from Sydney to London

Our best China Southern deals on Sydney to London flight tickets
China Southern
14 Oct
SYD22:15Sydney Kingsford Smith
42h 50m
1 stop
LGW07:05London Gatwick
4 Nov
LGW20:20London Gatwick
37h 00m
2 stops
SYD20:20Sydney Kingsford Smith
China Southern
3 Nov
SYD11:25Sydney Kingsford Smith
41h 50m
1 stop
LHR18:15London Heathrow
23 Nov
LHR22:00London Heathrow
24h 25m
1 stop
SYD09:25Sydney Kingsford Smith
China Southern
28 Oct
SYD22:00Sydney Kingsford Smith
31h 15m
1 stop
LHR18:15London Heathrow
28 Nov
LHR22:00London Heathrow
24h 25m
1 stop
SYD09:25Sydney Kingsford Smith

China Eastern flights from Sydney to London

Our best China Eastern deals on Sydney to London flight tickets
China Eastern
11 Aug
SYD11:00Sydney Kingsford Smith
37h 00m
1 stop
LGW15:00London Gatwick
26 Aug
LGW11:35London Gatwick
36h 25m
1 stop
SYD09:00Sydney Kingsford Smith
China Eastern
4 Aug
SYD20:30Sydney Kingsford Smith
43h 10m
1 stop
LGW06:40London Gatwick
13 Aug
LGW18:25London Gatwick
29h 35m
1 stop
SYD09:00Sydney Kingsford Smith
China Eastern
11 Aug
SYD11:00Sydney Kingsford Smith
37h 00m
1 stop
LGW15:00London Gatwick
18 Aug
LGW11:35London Gatwick
40h 00m
1 stop
SYD12:35Sydney Kingsford Smith

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to London 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 279,928 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Sydney to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 14/10

22:15-07:05

1 stop42h 50m

London Gatwick

Tue 4/11

20:20-20:20

2 stops37h 00m

£513

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 3/11

11:25-18:15

1 stop41h 50m

London Heathrow

Sun 23/11

22:00-09:25

1 stop24h 25m

£532

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 14/10

13:50-14:10

2 stops34h 20m

London Gatwick

Sun 30/11

06:45-20:35

2 stops50h 50m

£578

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 11/8

11:00-15:00

1 stop37h 00m

London Gatwick

Tue 26/8

11:35-09:00

1 stop36h 25m

£599

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 11/8

11:00-15:00

1 stop37h 00m

London Gatwick

Mon 18/8

11:35-12:35

1 stop40h 00m

£602

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sat 6/9

10:15-09:15

2 stops32h 00m

London Luton

Mon 22/9

06:05-19:25

2 stops28h 20m

£733

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 19/11

06:00-18:00

1 stop23h 00m

London Stansted

Thu 4/12

14:05-18:35

1 stop41h 30m

£793

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Thu 20/11

06:00-18:00

1 stop23h 00m

London Stansted

Tue 25/11

14:05-22:30

1 stop21h 25m

£799

SydneyLondon

SYD - LCY

SYDLCY

Sydney Kingsford Smith

Thu 13/11

16:10-08:45

2 stops27h 35m

London City

Thu 20/11

13:30-07:15

2 stops30h 45m

£900

SydneyLondon

SYD - LCY

SYDLCY

Sydney Kingsford Smith

Wed 5/11

16:10-17:05

2 stops35h 55m

London City

Sun 16/11

19:20-11:50

2 stops29h 30m

£901

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 London from

How to get the cheapest flight ticket from Sydney to London

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 Sydney and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Sydney is in October. Flight prices, which tend to average around £776, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Sydney averaging around £780.

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £1,079. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London for around £1,395.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £887. Flights in the afternoon are often more expensive, with an average ticket price of £1,402.

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

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

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

You are more likely to see cheaper flights to London from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £978 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sydney for as low as £901 on momondo.

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

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to London 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 Sydney to London flights?

You could potentially save up to 17% on your flight if you consider stops on a Sydney to London flight.

How have Sydney to London flight prices changed over time?

As of July 2025, prices for Sydney to London flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to London

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

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

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

Best price found

£261

Fastest flight time

23h 00m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Sydney in the past 72 hours is £261. The best return flight deal from Sydney to London found on momondo in the last 72 hours is £513.
The fastest flight from Sydney to London takes 23h 00m
Direct flights go from Sydney to London every day.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

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

    Sydney Kingsford Smith and London are 10552.8 mi apart from one another. Flights usually cover this in 23h 00m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Sydney Kingsford Smith Airport to London were last updated today.

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London 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 license, and a passport valid for six-months after you plan to arrive at London. 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 Sydney to London?

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


Best airlines flying from Sydney to London

Compare and see reviews for airlines that fly from Sydney to London with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £608Free CancellationRating
7.6
104 reviews
Search China Southern flights
Air ChinaPriceFrom £669Free CancellationRating
7.3
91 reviews
Search Air China flights
China EasternPriceFrom £683Free CancellationRating
7.2
158 reviews
Search China Eastern flights
Air IndiaPriceFrom £692Free CancellationRating
5.5
2,927 reviews
Search Air India flights
Etihad AirwaysPriceFrom £725Free CancellationRating
7.4
1,228 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £735Free CancellationRating
7.3
3,925 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £748Free CancellationRating
7.6
948 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom £758Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
Singapore AirlinesPriceFrom £768Free CancellationRating
8.1
1,338 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £783Free CancellationRating
7.4
270 reviews
Search Malaysia Airlines flights
  • Qantas Airways Flights From Sydney to London

    Qantas Airways flight deals from Sydney to London start from £1,292 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually £1,847 round-trip - but some users have found much cheaper deals with momondo.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Maidstone
Canterbury
Gatwick
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Dover
Winchester
Margate
Chelmsford
Bedford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Sydney.

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

Flights from Sydney to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Sydney and London 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 Sydney to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Sydney to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


An easier way to manage your London 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 4/8
Mon 11/8

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London