Cheap flights from Sydney to London from $684

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 24/3. 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

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Multiple Airlines Logo
21:30 - 19:30
SYD
-
LTN
33h 00m2 stops
Multiple Airlines Logo
12:05 - 10:00
LTN
-
SYD
34h 55m2 stops
$1,616Multiple Airlines
Mon, 16 Feb - Mon, 2 Mar
China Eastern Logo
12:00 - 06:30
SYD
-
LGW
29h 30m1 stop
China Eastern Logo
11:35 - 09:00
LGW
-
SYD
36h 25m1 stop
$1,617China Eastern
Thu, 26 Mar - Thu, 23 Apr
Japan Airlines Logo
08:55 - 15:45
SYD
-
LHR
39h 50m1 stop
Japan Airlines Logo
09:40 - 06:20
LHR
-
SYD
35h 40m1 stop
$1,619Japan Airlines
Sun, 14 Jun - Sat, 29 Aug
China Southern Logo
10:05 - 19:00
SYD
-
LHR
41h 55m1 stop
China Southern Logo
22:10 - 19:40
LHR
-
SYD
36h 30m1 stop
$1,622China Southern
Fri, 22 May - Fri, 26 Jun
Turkish Airlines Logo
21:05 - 16:50
SYD
-
STN
28h 45m1 stop
Turkish Airlines Logo
06:15 - 19:10
STN
-
SYD
27h 55m1 stop
$1,622Turkish Airlines
Tue, 12 May - Tue, 2 Jun
China Southern Logo
22:00 - 18:35
SYD
-
LHR
31h 35m1 stop
China Southern Logo
22:10 - 08:25
LHR
-
SYD
25h 15m1 stop
$1,623China Southern
Thu, 26 Mar - Thu, 23 Apr
Multiple Airlines Logo
20:30 - 18:40
SYD
-
LHR
31h 10m1 stop
Multiple Airlines Logo
22:10 - 08:25
LHR
-
SYD
25h 15m1 stop
$1,626Multiple Airlines
Wed, 22 Apr - Tue, 12 May
Qatar Airways Logo
15:50 - 05:55
SYD
-
LGW
25h 05m1 stop
Qatar Airways Logo
14:05 - 06:50
LGW
-
SYD
29h 45m1 stop
$1,628Qatar Airways
Mon, 2 Mar - Sun, 22 Mar
Malaysia Airlines Logo
22:15 - 15:25
SYD
-
LHR
28h 10m1 stop
Malaysia Airlines Logo
21:25 - 07:55
LHR
-
SYD
23h 30m1 stop
$1,632Malaysia Airlines
Mon, 16 Feb - Mon, 2 Mar
Emirates Logo
06:00 - 17:55
SYD
-
STN
22h 55m1 stop
Emirates Logo
14:05 - 22:30
STN
-
SYD
21h 25m1 stop
$1,656Emirates
Sun, 1 Feb - Wed, 18 Feb

China Southern flights from Sydney to London

Our best China Southern deals on Sydney to London flight tickets
China Southern
22 May
SYD10:05Sydney Kingsford Smith
41h 55m
1 stop
LHR19:00London Heathrow
26 June
LHR22:10London Heathrow
36h 30m
1 stop
SYD19:40Sydney Kingsford Smith
China Southern
26 Mar
SYD22:00Sydney Kingsford Smith
31h 35m
1 stop
LHR18:35London Heathrow
23 Apr
LHR22:10London Heathrow
25h 15m
1 stop
SYD08:25Sydney Kingsford Smith
China Southern
1 Apr
SYD15:15Sydney Kingsford Smith
37h 45m
1 stop
LHR19:00London Heathrow
9 May
LHR22:10London Heathrow
25h 15m
1 stop
SYD08:25Sydney Kingsford Smith

Malaysia Airlines flights from Sydney to London

Our best Malaysia Airlines deals on Sydney to London flight tickets
Malaysia Airlines
16 Feb
SYD22:15Sydney Kingsford Smith
28h 10m
1 stop
LHR15:25London Heathrow
2 Mar
LHR21:25London Heathrow
23h 30m
1 stop
SYD07:55Sydney Kingsford Smith
Malaysia Airlines
18 Mar
SYD22:15Sydney Kingsford Smith
28h 10m
1 stop
LHR15:25London Heathrow
31 Mar
LHR11:00London Heathrow
34h 25m
1 stop
SYD07:25Sydney Kingsford Smith
Malaysia Airlines
18 Mar
SYD22:15Sydney Kingsford Smith
28h 10m
1 stop
LHR15:25London Heathrow
31 Mar
LHR11:00London Heathrow
34h 25m
1 stop
SYD07:25Sydney 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 78,305 searches. Data last updated 7 January 2026.
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 - LTN

SYDLTN

Sydney Kingsford Smith

Mon 16/2

21:30-19:30

2 stops33h 00m

London Luton

Mon 2/3

12:05-10:00

2 stops34h 55m

$1,616

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 26/3

12:00-06:30

1 stop29h 30m

London Gatwick

Thu 23/4

11:35-09:00

1 stop36h 25m

$1,617

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 14/6

08:55-15:45

1 stop39h 50m

London Heathrow

Sat 29/8

09:40-06:20

1 stop35h 40m

$1,619

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 22/5

10:05-19:00

1 stop41h 55m

London Heathrow

Fri 26/6

22:10-19:40

1 stop36h 30m

$1,622

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Tue 12/5

21:05-16:50

1 stop28h 45m

London Stansted

Tue 2/6

06:15-19:10

1 stop27h 55m

$1,622

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 26/3

22:00-18:35

1 stop31h 35m

London Heathrow

Thu 23/4

22:10-08:25

1 stop25h 15m

$1,623

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 22/4

20:30-18:40

1 stop31h 10m

London Heathrow

Tue 12/5

22:10-08:25

1 stop25h 15m

$1,626

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 2/3

15:50-05:55

1 stop25h 05m

London Gatwick

Sun 22/3

14:05-06:50

1 stop29h 45m

$1,628

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 16/2

22:15-15:25

1 stop28h 10m

London Heathrow

Mon 2/3

21:25-07:55

1 stop23h 30m

$1,632

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Sun 1/2

06:00-17:55

1 stop22h 55m

London Stansted

Wed 18/2

14:05-22:30

1 stop21h 25m

$1,656

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?

If you aren’t able to travel during the month of February, then book flights to London from Sydney during May instead. Flights to London in May, while not as cheap as those in February, still average around $1,574.

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

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $2,026. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London for around $2,408.

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 afternoon when flights can be purchased for as low as $2,023. In contrast, the most expensive time of day to depart to London is at midday when prices are around $2,373.

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 $1,913 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 $1,779 on momondo.

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

There are 4 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 20% 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 January 2026, prices for Sydney to London flights are approximately 10% 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

Best price found

$1,429

Fastest flight time

22h 55m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Sydney in the past 72 hours is $1,429. The best return flight deal from Sydney to London found on momondo in the last 72 hours is $1,991.
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?

    A flight from Sydney Kingsford Smith to London will travel around 16983.0 km. By plane, this route typically takes 22h 55m.

  • 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 are updated daily.

  • 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?

    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 Sydney Kingsford Smith Airport to London.

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

    The necessary travel and health documents for your London 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 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
Air ChinaPriceFrom $1,125Free cancellationRating
7.2
136 reviews
Search Air China flights
China SouthernPriceFrom $1,130Free cancellationRating
7.5
125 reviews
Search China Southern flights
China EasternPriceFrom $1,181Free cancellationRating
7.2
187 reviews
Search China Eastern flights
Malaysia AirlinesPriceFrom $1,325Free cancellationRating
7.3
289 reviews
Search Malaysia Airlines flights
Turkish AirlinesPriceFrom $1,372Free cancellationRating
7.3
4,150 reviews
Search Turkish Airlines flights
Air IndiaPriceFrom $1,387Free cancellationRating
5.5
2,974 reviews
Search Air India flights
China AirlinesPriceFrom $1,396Free cancellationRating
8.3
798 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $1,433Free cancellationRating
8.3
1,671 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,435Free cancellationRating
7.6
1,124 reviews
Search Cathay Pacific flights
SWISSPriceFrom $1,475Free cancellationRating
7.5
1,839 reviews
Search SWISS flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Wembley
Milton Keynes
Brentford
Deal
Dover
Ipswich
Abingdon
Eastbourne
Slough
Chichester
Canterbury
Kingston upon Thames
Brentwood
Guildford
Sutton
Maidstone
Watford
Ashford

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?

momondo does allow users to show only those flights to London from Sydney which offer a flexible booking policy as well as other useful filters and features.

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

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 London from Sydney.

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

Yes momondo offers price alerts on flights to London from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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

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1 adult
Fri 6/2
Fri 13/2

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 49.5 km from London