Cheap flights from Sydney to London from $733

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 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Sydney to London (SYD-LON)

Cheap return flights

China Southern Logo
22:15 - 19:00SYD-LHR
30h 45m1 stop
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
$1,468China Southern
Find Deal
Sun, 5 Oct - Tue, 28 Oct
 Logo
11:00 - 15:10SYD-LGW
37h 10m1 stop
 Logo
18:05 - 15:50LGW-SYD
36h 45m2 stops
$1,470
Find Deal
Thu, 4 Sep - Mon, 8 Sep
Etihad Airways Logo
21:30 - 12:05SYD-LHR
25h 35m1 stop
Etihad Airways Logo
13:55 - 06:35LHR-SYD
29h 40m1 stop
$1,472Etihad Airways
Find Deal
Fri, 30 Jan - Sat, 14 Mar
 Logo
06:00 - 06:35SYD-LGW
57h 35m2 stops
 Logo
12:35 - 21:40LGW-SYD
48h 05m2 stops
$1,473
Find Deal
Wed, 3 Sep - Wed, 10 Sep
China Eastern Logo
12:00 - 18:40SYD-LHR
40h 40m1 stop
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
$1,476China Eastern
Find Deal
Mon, 13 Oct - Tue, 28 Oct
China Eastern Logo
12:00 - 06:30SYD-LGW
29h 30m1 stop
China Eastern Logo
17:00 - 10:00LGW-SYD
30h 00m1 stop
$1,476China Eastern
Find Deal
Mon, 17 Nov - Mon, 8 Dec
Singapore Airlines Logo
19:05 - 15:45SYD-LHR
30h 40m1 stop
Singapore Airlines Logo
21:45 - 11:50LHR-SYD
27h 05m1 stop
$1,479Singapore Airlines
Find Deal
Fri, 24 Oct - Tue, 18 Nov
Etihad Airways Logo
16:40 - 18:45SYD-LHR
36h 05m1 stop
Etihad Airways Logo
20:55 - 06:35LHR-SYD
22h 40m1 stop
$1,499Etihad Airways
Find Deal
Fri, 10 Oct - Sat, 22 Nov
Emirates Logo
21:45 - 12:05SYD-STN
25h 20m1 stop
Emirates Logo
20:15 - 07:00STN-SYD
23h 45m1 stop
$1,976Emirates
Find Deal
Thu, 6 Nov - Mon, 17 Nov
Emirates Logo
06:00 - 12:05SYD-STN
41h 05m1 stop
Emirates Logo
14:05 - 07:35STN-SYD
30h 30m2 stops
$2,010Emirates
Find Deal
Mon, 10 Nov - Thu, 27 Nov

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
30 Jan
SYD21:30Sydney Kingsford Smith
25h 35m
1 stop
LHR12:05London Heathrow
14 Mar
LHR13:55London Heathrow
29h 40m
1 stop
SYD06:35Sydney Kingsford Smith
Etihad Airways
10 Oct
SYD16:40Sydney Kingsford Smith
36h 05m
1 stop
LHR18:45London Heathrow
22 Nov
LHR20:55London Heathrow
22h 40m
1 stop
SYD06:35Sydney Kingsford Smith
Etihad Airways
10 Oct
SYD16:40Sydney Kingsford Smith
24h 20m
1 stop
LHR07:00London Heathrow
22 Nov
LHR13:55London Heathrow
29h 40m
1 stop
SYD06:35Sydney Kingsford Smith

Hainan Airlines flights from Sydney to London

Our best Hainan Airlines deals on Sydney to London flight tickets
Hainan Airlines
28 Aug
SYD21:00Sydney Kingsford Smith
31h 30m
2 stops
LHR19:30London Heathrow
15 Sept
LHR22:00London Heathrow
55h 15m
2 stops
SYD14:15Sydney Kingsford Smith
Hainan Airlines
28 Aug
SYD21:00Sydney Kingsford Smith
31h 30m
2 stops
LHR19:30London Heathrow
15 Sept
LHR22:00London Heathrow
55h 15m
2 stops
SYD14:15Sydney Kingsford Smith
Hainan Airlines
28 Aug
SYD21:00Sydney Kingsford Smith
31h 30m
2 stops
LHR19:30London Heathrow
15 Sept
LHR22:00London Heathrow
55h 15m
2 stops
SYD14:15Sydney 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 78,305 searches. Data last updated 20 August 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 - LHR

SYDLHR

Sydney Kingsford Smith

Sun 5/10

22:15-19:00

1 stop30h 45m

London Heathrow

Tue 28/10

22:00-20:20

1 stop35h 20m

$1,468

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 4/9

11:00-15:10

1 stop37h 10m

London Gatwick

Mon 8/9

18:05-15:50

2 stops36h 45m

$1,470

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 30/1

21:30-12:05

1 stop25h 35m

London Heathrow

Sat 14/3

13:55-06:35

1 stop29h 40m

$1,472

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 3/9

06:00-06:35

2 stops57h 35m

London Gatwick

Wed 10/9

12:35-21:40

2 stops48h 05m

$1,473

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 13/10

12:00-18:40

1 stop40h 40m

London Heathrow

Tue 28/10

21:00-10:00

1 stop26h 00m

$1,476

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 17/11

12:00-06:30

1 stop29h 30m

London Gatwick

Mon 8/12

17:00-10:00

1 stop30h 00m

$1,476

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 24/10

19:05-15:45

1 stop30h 40m

London Heathrow

Tue 18/11

21:45-11:50

1 stop27h 05m

$1,479

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 10/10

16:40-18:45

1 stop36h 05m

London Heathrow

Sat 22/11

20:55-06:35

1 stop22h 40m

$1,499

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Thu 6/11

21:45-12:05

1 stop25h 20m

London Stansted

Mon 17/11

20:15-07:00

1 stop23h 45m

$1,976

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Mon 10/11

06:00-12:05

1 stop41h 05m

London Stansted

Thu 27/11

14:05-07:35

2 stops30h 30m

$2,010

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 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 October instead. Flights to London in October, while not as cheap as those in February, still average around $1,614.

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 $2,131. 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 $2,317.

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 $1,793. In contrast, the most expensive time of day to depart to London is at midday when prices are around $2,528.

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 $2,010 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 $1,838 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.

How have Sydney to London flight prices changed over time?

As of August 2025, prices for Sydney to London flights are approximately 26% 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

$1,500

Fastest flight time

23h 45m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Sydney in the past 72 hours is $1,500. The best return flight deal from Sydney to London found on momondo in the last 72 hours is $2,042.
The fastest flight from Sydney to London takes 23h 45m
Direct flights go from Sydney to London every day.
There is 1 airport near London: 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 24h 20m.

  • 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
Virgin AustraliaPriceFrom $848Free cancellationRating
7.5
413 reviews
Search Virgin Australia flights
Air ChinaPriceFrom $1,168Free cancellationRating
7.3
95 reviews
Search Air China flights
Air IndiaPriceFrom $1,376Free cancellationRating
5.5
2,929 reviews
Search Air India flights
Turkish AirlinesPriceFrom $1,424Free cancellationRating
7.3
3,949 reviews
Search Turkish Airlines flights
China AirlinesPriceFrom $1,468Free cancellationRating
8.3
764 reviews
Search China Airlines flights
Qatar AirwaysPriceFrom $1,488Free cancellationRating
7.4
3,611 reviews
Search Qatar Airways flights
SWISSPriceFrom $1,512Free cancellationRating
7.6
1,699 reviews
Search SWISS flights
Japan AirlinesPriceFrom $1,548Free cancellationRating
8.3
1,550 reviews
Search Japan Airlines flights
Asiana AirlinesPriceFrom $1,599Free cancellationRating
8.2
476 reviews
Search Asiana Airlines flights
Austrian AirlinesPriceFrom $1,613Free cancellationRating
7.6
830 reviews
Search Austrian Airlines flights

Travelling to a place near London?

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

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.

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1 adult
Mon 25/8
Mon 1/9

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