Cheap flights from Sydney to London from £373

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 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Turkish Airlines Logo
21:15 - 16:10
SYD
-
LGW
29h 55m2 stops
Turkish Airlines Logo
10:20 - 19:20
LGW
-
SYD
46h 00m2 stops
£783Turkish Airlines
Sun, 1 Feb - Mon, 16 Feb
Air China Logo
20:40 - 15:55
SYD
-
LHR
30h 15m1 stop
Air China Logo
21:35 - 15:30
LHR
-
SYD
30h 55m2 stops
£783Air China
Sun, 8 Feb - Thu, 12 Feb
Air China Logo
20:40 - 19:40
SYD
-
LHR
34h 00m2 stops
Air China Logo
20:25 - 12:00
LHR
-
SYD
28h 35m1 stop
£787Air China
Fri, 23 Jan - Sat, 7 Feb
Turkish Airlines Logo
12:45 - 09:55
SYD
-
LGW
30h 10m2 stops
Turkish Airlines Logo
07:00 - 19:15
LGW
-
SYD
27h 15m2 stops
£788Turkish Airlines
Mon, 11 May - Wed, 10 Jun
Turkish Airlines Logo
21:10 - 09:35
SYD
-
LHR
45h 25m2 stops
Turkish Airlines Logo
06:30 - 19:15
LHR
-
SYD
27h 45m2 stops
£789Turkish Airlines
Tue, 7 Apr - Sat, 25 Apr
Turkish Airlines Logo
21:10 - 15:20
SYD
-
LHR
27h 10m2 stops
Turkish Airlines Logo
06:30 - 19:15
LHR
-
SYD
27h 45m2 stops
£789Turkish Airlines
Thu, 9 Apr - Thu, 23 Apr
Turkish Airlines Logo
21:10 - 15:20
SYD
-
LHR
27h 10m2 stops
Turkish Airlines Logo
22:35 - 19:15
LHR
-
SYD
35h 40m2 stops
£790Turkish Airlines
Fri, 8 May - Mon, 25 May
China Eastern Logo
11:00 - 06:40
SYD
-
LGW
28h 40m1 stop
China Eastern Logo
18:25 - 09:00
LGW
-
SYD
29h 35m1 stop
£791China Eastern
Tue, 12 May - Wed, 10 Jun
Air China Logo
20:40 - 19:40
SYD
-
LHR
58h 00m2 stops
Air China Logo
20:25 - 12:00
LHR
-
SYD
28h 35m1 stop
£791Air China
Thu, 22 Jan - Fri, 30 Jan
China Eastern Logo
21:30 - 14:00
SYD
-
LGW
27h 30m1 stop
China Eastern Logo
17:00 - 13:35
LGW
-
SYD
33h 35m1 stop
£797China Eastern
Sun, 15 Feb - Sat, 21 Feb

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
12 Feb
SYD21:45Sydney Kingsford Smith
25h 20m
1 stop
LHR12:05London Heathrow
16 Feb
LHR19:20London Heathrow
24h 15m
1 stop
SYD06:35Sydney Kingsford Smith
Etihad Airways
10 Feb
SYD21:45Sydney Kingsford Smith
25h 20m
1 stop
LHR12:05London Heathrow
11 Feb
LHR20:55London Heathrow
34h 00m
1 stop
SYD17:55Sydney Kingsford Smith
Etihad Airways
31 Jan
SYD21:45Sydney Kingsford Smith
25h 20m
1 stop
LHR12:05London Heathrow
9 Feb
LHR08:50London Heathrow
22h 05m
1 stop
SYD17:55Sydney Kingsford Smith

Turkish Airlines flights from Sydney to London

Our best Turkish Airlines deals on Sydney to London flight tickets
Turkish Airlines
1 Feb
SYD21:15Sydney Kingsford Smith
29h 55m
2 stops
LGW16:10London Gatwick
16 Feb
LGW10:20London Gatwick
46h 00m
2 stops
SYD19:20Sydney Kingsford Smith
Turkish Airlines
11 May
SYD12:45Sydney Kingsford Smith
30h 10m
2 stops
LGW09:55London Gatwick
10 Jun
LGW07:00London Gatwick
27h 15m
2 stops
SYD19:15Sydney Kingsford Smith
Turkish Airlines
7 Apr
SYD21:10Sydney Kingsford Smith
45h 25m
2 stops
LHR09:35London Heathrow
25 Apr
LHR06:30London Heathrow
27h 45m
2 stops
SYD19:15Sydney 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 12 December 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

Sun 1/2

21:15-16:10

2 stops29h 55m

London Gatwick

Mon 16/2

10:20-19:20

2 stops46h 00m

£783

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 8/2

20:40-15:55

1 stop30h 15m

London Heathrow

Thu 12/2

21:35-15:30

2 stops30h 55m

£783

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 23/1

20:40-19:40

2 stops34h 00m

London Heathrow

Sat 7/2

20:25-12:00

1 stop28h 35m

£787

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 11/5

12:45-09:55

2 stops30h 10m

London Gatwick

Wed 10/6

07:00-19:15

2 stops27h 15m

£788

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 7/4

21:10-09:35

2 stops45h 25m

London Heathrow

Sat 25/4

06:30-19:15

2 stops27h 45m

£789

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 9/4

21:10-15:20

2 stops27h 10m

London Heathrow

Thu 23/4

06:30-19:15

2 stops27h 45m

£789

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 8/5

21:10-15:20

2 stops27h 10m

London Heathrow

Mon 25/5

22:35-19:15

2 stops35h 40m

£790

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 12/5

11:00-06:40

1 stop28h 40m

London Gatwick

Wed 10/6

18:25-09:00

1 stop29h 35m

£791

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 22/1

20:40-19:40

2 stops58h 00m

London Heathrow

Fri 30/1

20:25-12:00

1 stop28h 35m

£791

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 15/2

21:30-14:00

1 stop27h 30m

London Gatwick

Sat 21/2

17:00-13:35

1 stop33h 35m

£797

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 February. Flight prices, which tend to average around £786, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Sydney averaging around £790.

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

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £1,098. 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 £1,483.

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 £884. Flights in the afternoon are often more expensive, with an average ticket price of £1,404.

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 £965 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 £904 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 4% 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 December 2025, prices for Sydney to London flights are approximately 5% more expensive 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

Fastest flight time

22h 55m

Direct flights

Every day

Airports in London

6 airports
The fastest flight from Sydney to London takes 22h 55m
Direct flights go from Sydney to London every day.
There are 6 airports in London. From Sydney there are direct flights to London Heathrow (LHR).
  • 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 22h 55m, 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 £606Free CancellationRating
7.5
122 reviews
Search China Southern flights
Air ChinaPriceFrom £671Free CancellationRating
7.2
127 reviews
Search Air China flights
China EasternPriceFrom £681Free CancellationRating
7.2
178 reviews
Search China Eastern flights
Air IndiaPriceFrom £697Free CancellationRating
5.5
2,947 reviews
Search Air India flights
Etihad AirwaysPriceFrom £718Free CancellationRating
7.4
1,331 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £732Free CancellationRating
7.3
4,090 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £746Free CancellationRating
7.6
1,095 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom £756Free CancellationRating
7.4
3,679 reviews
Search Qatar Airways flights
Singapore AirlinesPriceFrom £765Free CancellationRating
8.1
1,412 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £780Free CancellationRating
7.3
282 reviews
Search Malaysia Airlines flights
  • Qantas Airways Flights From Sydney to London

    Qantas Airways flight deals from Sydney to London start from £943 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually £1,170 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
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

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
Sun 11/1
Sun 18/1

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