Cheap flights from Sydney to London from $655

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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Multiple Airlines Logo
11:00 - 15:00SYD-LGW
37h 00m1 stop
Multiple Airlines Logo
12:35 - 14:50LGW-SYD
41h 15m1 stop
$1,517Multiple Airlines
Find Deal
Wed, 13 May - Thu, 28 May
China Eastern Logo
10:30 - 06:30SYD-LGW
31h 00m1 stop
China Eastern Logo
17:00 - 10:00LGW-SYD
30h 00m1 stop
$1,520China Eastern
Find Deal
Wed, 18 Feb - Wed, 18 Mar
Multiple Airlines Logo
21:15 - 14:10SYD-LHR
27h 55m2 stops
Multiple Airlines Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
$1,522Multiple Airlines
Find Deal
Wed, 18 Feb - Thu, 5 Mar
China Eastern Logo
12:00 - 14:00SYD-LGW
37h 00m1 stop
China Eastern Logo
10:30 - 07:20LGW-SYD
33h 50m3 stops
$1,522China Eastern
Find Deal
Tue, 20 Jan - Wed, 4 Feb
Multiple Airlines Logo
21:15 - 14:55SYD-LHR
28h 40m2 stops
Multiple Airlines Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
$1,523Multiple Airlines
Find Deal
Mon, 2 Mar - Tue, 17 Mar
Air China Logo
20:40 - 15:55SYD-LHR
30h 15m1 stop
Air China Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
$1,535Air China
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Sun, 1 Mar - Thu, 19 Mar
Etihad Airways Logo
21:45 - 14:30SYD-LHR
27h 45m1 stop
Etihad Airways Logo
20:55 - 17:55LHR-SYD
34h 00m1 stop
$1,542Etihad Airways
Find Deal
Fri, 27 Feb - Thu, 12 Mar
Lufthansa Logo
11:00 - 08:40SYD-LCY
30h 40m2 stops
Lufthansa Logo
09:15 - 06:10LCY-SYD
35h 55m2 stops
$1,713Lufthansa
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Sun, 24 May - Thu, 18 Jun
SWISS Logo
15:15 - 08:40SYD-LCY
28h 25m2 stops
SWISS Logo
19:20 - 06:10LCY-SYD
25h 50m2 stops
$1,878SWISS
Find Deal
Wed, 21 Jan - Wed, 8 Apr
Lufthansa Logo
15:15 - 09:15SYD-LCY
29h 00m2 stops
Lufthansa Logo
18:10 - 07:15LCY-SYD
26h 05m2 stops
$1,943Lufthansa
Find Deal
Mon, 9 Mar - Wed, 18 Mar

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
10 Feb
SYD21:45Sydney Kingsford Smith
25h 20m
1 stop
LHR12:05London Heathrow
20 Feb
LHR08:50London Heathrow
22h 05m
1 stop
SYD17:55Sydney Kingsford Smith
Etihad Airways
24 Feb
SYD21:45Sydney Kingsford Smith
27h 45m
1 stop
LHR14:30London Heathrow
28 Feb
LHR13:55London Heathrow
41h 00m
1 stop
SYD17:55Sydney Kingsford Smith
Etihad Airways
1 Dec
SYD21:30Sydney Kingsford Smith
28h 00m
1 stop
LHR14:30London Heathrow
8 Dec
LHR19:20London Heathrow
24h 15m
1 stop
SYD06:35Sydney Kingsford Smith

China Southern flights from Sydney to London

Our best China Southern deals on Sydney to London flight tickets
China Southern
17 Feb
SYD11:25Sydney Kingsford Smith
42h 10m
1 stop
LHR18:35London Heathrow
6 Mar
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney Kingsford Smith
China Southern
15 Feb
SYD08:10Sydney Kingsford Smith
45h 25m
1 stop
LHR18:35London Heathrow
4 Mar
LHR17:15London Heathrow
51h 15m
2 stops
SYD07:30Sydney Kingsford Smith
China Southern
19 Feb
SYD15:15Sydney Kingsford Smith
38h 20m
1 stop
LHR18:35London Heathrow
7 Mar
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney 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 26 November 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

Wed 13/5

11:00-15:00

1 stop37h 00m

London Gatwick

Thu 28/5

12:35-14:50

1 stop41h 15m

$1,517

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 18/2

10:30-06:30

1 stop31h 00m

London Gatwick

Wed 18/3

17:00-10:00

1 stop30h 00m

$1,520

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 18/2

21:15-14:10

2 stops27h 55m

London Heathrow

Thu 5/3

20:25-15:30

1 stop32h 05m

$1,522

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 20/1

12:00-14:00

1 stop37h 00m

London Gatwick

Wed 4/2

10:30-07:20

3 stops33h 50m

$1,522

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/3

21:15-14:55

2 stops28h 40m

London Heathrow

Tue 17/3

20:25-15:30

1 stop32h 05m

$1,523

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 1/3

20:40-15:55

1 stop30h 15m

London Heathrow

Thu 19/3

20:25-15:30

1 stop32h 05m

$1,535

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 27/2

21:45-14:30

1 stop27h 45m

London Heathrow

Thu 12/3

20:55-17:55

1 stop34h 00m

$1,542

SydneyLondon

SYD - LCY

SYDLCY

Sydney Kingsford Smith

Sun 24/5

11:00-08:40

2 stops30h 40m

London City

Thu 18/6

09:15-06:10

2 stops35h 55m

$1,713

SydneyLondon

SYD - LCY

SYDLCY

Sydney Kingsford Smith

Wed 21/1

15:15-08:40

2 stops28h 25m

London City

Wed 8/4

19:20-06:10

2 stops25h 50m

$1,878

SydneyLondon

SYD - LCY

SYDLCY

Sydney Kingsford Smith

Mon 9/3

15:15-09:15

2 stops29h 00m

London City

Wed 18/3

18:10-07:15

2 stops26h 05m

$1,943

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 $1,639.

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 $2,114. 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 $2,463.

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 $1,797. In contrast, the most expensive time of day to depart to London is at midday when prices are around $2,500.

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 $2,009 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 $1,874 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 1% 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 November 2025, prices for Sydney to London flights are approximately 23% 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

$1,453

Fastest flight time

22h 55m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Sydney in the past 72 hours is $1,453. The best return flight deal from Sydney to London found on momondo in the last 72 hours is $2,014.
The fastest flight from Sydney to London takes 22h 55m
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 25h 05m.

  • 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
China SouthernPriceFrom $1,126Free cancellationRating
7.5
119 reviews
Search China Southern flights
Air ChinaPriceFrom $1,171Free cancellationRating
7.2
126 reviews
Search Air China flights
China EasternPriceFrom $1,230Free cancellationRating
7.2
178 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $1,425Free cancellationRating
7.3
4,063 reviews
Search Turkish Airlines flights
Air IndiaPriceFrom $1,430Free cancellationRating
5.5
2,947 reviews
Search Air India flights
China AirlinesPriceFrom $1,454Free cancellationRating
8.3
782 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $1,493Free cancellationRating
8.3
1,630 reviews
Search Japan Airlines flights
SWISSPriceFrom $1,515Free cancellationRating
7.5
1,797 reviews
Search SWISS flights
LufthansaPriceFrom $1,570Free cancellationRating
6.8
7,594 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom $1,615Free cancellationRating
7.4
3,677 reviews
Search Qatar Airways 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
Dover
Ipswich
Abingdon
Eastbourne
Slough
Chichester
Canterbury
Deal
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 26/12
Fri 2/1

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 49.5 km from London