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Cheap flights from Sydney to London from $442

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 1/19. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 1:00 pm
SYD
-
LGW
34h 00m
2 stops
Multiple Airlines Logo
10:30 pm - 5:55 pm
LGW
-
SYD
32h 25m
2 stops
$1,051Multiple Airlines
Sat, Jan 31 - Sat, Feb 14
Turkish Airlines Logo
9:05 pm - 10:25 pm
SYD
-
LGW
34h 20m
2 stops
Turkish Airlines Logo
5:35 pm - 7:10 pm
LGW
-
SYD
40h 35m
2 stops
$1,059Turkish Airlines
Fri, Apr 24 - Fri, May 22
Turkish Airlines Logo
9:05 pm - 3:10 pm
SYD
-
LHR
27h 05m
2 stops
Turkish Airlines Logo
6:30 am - 7:10 pm
LHR
-
SYD
27h 40m
2 stops
$1,064Turkish Airlines
Sun, Apr 5 - Thu, Apr 30
Multiple Airlines Logo
3:45 pm - 3:55 pm
SYD
-
LHR
35h 10m
2 stops
Multiple Airlines Logo
8:55 pm - 6:50 pm
LHR
-
SYD
34h 55m
3 stops
$1,067Multiple Airlines
Tue, Feb 10 - Thu, Feb 26
Multiple Airlines Logo
8:40 pm - 2:30 pm
SYD
-
LGW
28h 50m
2 stops
Multiple Airlines Logo
5:00 pm - 10:00 am
LGW
-
SYD
30h 00m
1 stop
$1,067Multiple Airlines
Tue, Feb 10 - Thu, Feb 26
Turkish Airlines Logo
9:05 pm - 9:35 am
SYD
-
LHR
45h 30m
2 stops
Turkish Airlines Logo
6:30 am - 7:10 pm
LHR
-
SYD
27h 40m
2 stops
$1,074Turkish Airlines
Tue, May 26 - Tue, Jun 9
Turkish Airlines Logo
9:05 pm - 4:50 pm
SYD
-
LHR
28h 45m
2 stops
Turkish Airlines Logo
6:30 am - 7:10 pm
LHR
-
SYD
27h 40m
2 stops
$1,075Turkish Airlines
Tue, May 12 - Mon, May 18
Turkish Airlines Logo
9:05 pm - 9:00 pm
SYD
-
LHR
32h 55m
2 stops
Turkish Airlines Logo
4:45 pm - 7:10 pm
LHR
-
SYD
41h 25m
2 stops
$1,076Turkish Airlines
Tue, May 5 - Wed, Jun 3
China Airlines Logo
10:10 pm - 4:30 pm
SYD
-
LHR
27h 20m
1 stop
China Airlines Logo
9:10 pm - 10:45 am
LHR
-
SYD
28h 35m
1 stop
$1,082China Airlines
Sun, Apr 26 - Tue, May 26
Etihad Airways Logo
9:45 pm - 12:05 pm
SYD
-
LHR
25h 20m
1 stop
Etihad Airways Logo
8:50 am - 6:35 am
LHR
-
SYD
34h 45m
1 stop
$1,083Etihad Airways
Fri, Mar 6 - Sat, Mar 21

Malaysia Airlines flights from Sydney to London

Our best Malaysia Airlines deals on Sydney to London flight tickets
Malaysia Airlines
Mar 9
SYD10:15 pmSydney Kingsford Smith
28h 10m
1 stop
LHR3:25 pmLondon Heathrow
Mar 31
LHR9:35 pmLondon Heathrow
23h 50m
1 stop
SYD7:25 amSydney Kingsford Smith
$1,122
Malaysia Airlines
Mar 11
SYD10:15 pmSydney Kingsford Smith
28h 10m
1 stop
LHR3:25 pmLondon Heathrow
Mar 20
LHR9:25 pmLondon Heathrow
23h 30m
1 stop
SYD7:55 amSydney Kingsford Smith
$1,125
Malaysia Airlines
Mar 15
SYD10:15 pmSydney Kingsford Smith
28h 10m
1 stop
LHR3:25 pmLondon Heathrow
Mar 31
LHR9:35 pmLondon Heathrow
23h 50m
1 stop
SYD7:25 amSydney Kingsford Smith
$1,135

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
Feb 18
SYD4:35 pmSydney Kingsford Smith
25h 05m
1 stop
LHR6:40 amLondon Heathrow
Feb 28
LHR8:55 pmLondon Heathrow
22h 40m
1 stop
SYD6:35 amSydney Kingsford Smith
$1,083
Etihad Airways
Jun 2
SYD3:40 pmSydney Kingsford Smith
24h 20m
1 stop
LHR7:00 amLondon Heathrow
Jul 2
LHR9:30 amLondon Heathrow
22h 30m
1 stop
SYD5:00 pmSydney Kingsford Smith
$1,095
Etihad Airways
Mar 11
SYD4:35 pmSydney Kingsford Smith
30h 30m
1 stop
LHR12:05 pmLondon Heathrow
Mar 21
LHR8:50 amLondon Heathrow
34h 45m
1 stop
SYD6:35 amSydney Kingsford Smith
$1,096

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 13, 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 - LGW

SYDLGW

Sydney Kingsford Smith

Sat 1/31

2:00 pm-1:00 pm

2 stops34h 00m

London Gatwick

Sat 2/14

10:30 pm-5:55 pm

2 stops32h 25m

$1,051

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 4/24

9:05 pm-10:25 pm

2 stops34h 20m

London Gatwick

Fri 5/22

5:35 pm-7:10 pm

2 stops40h 35m

$1,059

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 4/5

9:05 pm-3:10 pm

2 stops27h 05m

London Heathrow

Thu 4/30

6:30 am-7:10 pm

2 stops27h 40m

$1,064

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 2/10

3:45 pm-3:55 pm

2 stops35h 10m

London Heathrow

Thu 2/26

8:55 pm-6:50 pm

3 stops34h 55m

$1,067

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 2/10

8:40 pm-2:30 pm

2 stops28h 50m

London Gatwick

Thu 2/26

5:00 pm-10:00 am

1 stop30h 00m

$1,067

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/26

9:05 pm-9:35 am

2 stops45h 30m

London Heathrow

Tue 6/9

6:30 am-7:10 pm

2 stops27h 40m

$1,074

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/12

9:05 pm-4:50 pm

2 stops28h 45m

London Heathrow

Mon 5/18

6:30 am-7:10 pm

2 stops27h 40m

$1,075

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/5

9:05 pm-9:00 pm

2 stops32h 55m

London Heathrow

Wed 6/3

4:45 pm-7:10 pm

2 stops41h 25m

$1,076

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 4/26

10:10 pm-4:30 pm

1 stop27h 20m

London Heathrow

Tue 5/26

9:10 pm-10:45 am

1 stop28h 35m

$1,082

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 3/6

9:45 pm-12:05 pm

1 stop25h 20m

London Heathrow

Sat 3/21

8:50 am-6:35 am

1 stop34h 45m

$1,083

Flights are sorted by cheapest round-trip 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 $1,051, 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 $1,058.

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 $1,289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sydney for as low as $1,207 on momondo.

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

There is only 1 cabin class 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 January 2026, prices for Sydney to London flights are approximately 3% 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 round-trip 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

24h 25m

Direct flights

Mon, Tue and Wed

Airports in London

6 airports
The fastest flight from Sydney to London takes 24h 25m
Direct flights go from Sydney to London on Monday, Tuesday and Wednesday. There are no airlines offering direct flights.
There are 6 airports in London. From Sydney there are direct flights to London Heathrow (LHR).
Search flight deals

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

    The distance between Sydney Kingsford Smith and London is about 10552.8 mi. 24h 25m is a normal flight duration for this route.

  • 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 refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to London.

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

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable 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
Cathay PacificPriceFrom $956Free CancellationRating
7.6
1,130 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom $999Free CancellationRating
7.3
289 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom $1,005Free CancellationRating
7.3
1,369 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,092Free CancellationRating
8.1
1,431 reviews
Search Singapore Airlines flights
Air IndiaPriceFrom $1,102Free CancellationRating
5.5
2,975 reviews
Search Air India flights
Qatar AirwaysPriceFrom $1,102Free CancellationRating
7.4
3,714 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $1,147Free CancellationRating
6.7
7,671 reviews
Search British Airways flights
EmiratesPriceFrom $1,186Free CancellationRating
8.1
3,466 reviews
Search Emirates flights
Air ChinaPriceFrom $1,216Free CancellationRating
7.2
136 reviews
Search Air China flights
Qantas AirwaysPriceFrom $1,260Free CancellationRating
7.5
970 reviews
Search Qantas Airways flights

  • Qantas Airways Flights From Sydney to London

    Qantas Airways flies from Sydney to London around 7 times per week, with 970 momondo users rating the airline 7.5/10. The cheapest Qantas Airways deal from Sydney to London in the last 72 hours was $1,260 (round-trip), much lower than the average airfare cost of $1,851 for Qantas Airways flights on this route.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Luton
Milton Keynes
Dover
Slough
Guildford
Crawley
Dartford
Hayes
Wembley
Brentwood
Watford
Cobham
Folkestone
Romford
Harrow
Croydon
Richmond
Uxbridge

Why use momondo?

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

It is quick and easy to find Sydney to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo allows you to filter the results for Sydney to London flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to London.

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

Price alerts on flights to London from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport