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Cheap flights from Sydney to London from $366

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 2/7. 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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Find the cheapest flights from Sydney to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:15 pm - 4:10 pm
SYD
-
LGW
29h 55m
2 stops
Turkish Airlines Logo
5:05 pm - 7:20 pm
LGW
-
SYD
39h 15m
2 stops
$926Turkish Airlines
Mon, Feb 2 - Mon, Feb 16
Multiple Airlines Logo
9:15 pm - 4:10 pm
SYD
-
LGW
29h 55m
2 stops
Multiple Airlines Logo
10:30 am - 1:35 pm
LGW
-
SYD
40h 05m
1 stop
$932Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
China Eastern Logo
8:30 pm - 6:40 pm
SYD
-
LHR
31h 10m
1 stop
China Eastern Logo
9:20 pm - 9:00 am
LHR
-
SYD
26h 40m
1 stop
$946China Eastern
Wed, Jun 10 - Tue, Jun 23
China Eastern Logo
11:00 am - 6:40 pm
SYD
-
LHR
40h 40m
1 stop
China Eastern Logo
9:00 pm - 1:35 pm
LHR
-
SYD
29h 35m
1 stop
$949China Eastern
Sat, May 2 - Sun, Nov 1
China Eastern Logo
8:30 pm - 6:40 pm
SYD
-
LHR
31h 10m
1 stop
China Eastern Logo
9:20 pm - 9:00 am
LHR
-
SYD
26h 40m
1 stop
$950China Eastern
Wed, May 6 - Thu, May 28
China Eastern Logo
8:30 pm - 6:40 pm
SYD
-
LHR
31h 10m
1 stop
China Eastern Logo
9:20 pm - 8:00 am
LHR
-
SYD
49h 40m
3 stops
$951China Eastern
Mon, May 18 - Thu, May 21
China Eastern Logo
8:30 pm - 6:40 pm
SYD
-
LHR
31h 10m
1 stop
China Eastern Logo
9:20 pm - 8:00 am
LHR
-
SYD
49h 40m
3 stops
$957China Eastern
Wed, May 6 - Tue, May 26
China Eastern Logo
10:05 am - 6:40 pm
SYD
-
LHR
41h 35m
3 stops
China Eastern Logo
9:20 pm - 8:00 am
LHR
-
SYD
49h 40m
3 stops
$960China Eastern
Fri, Jun 12 - Tue, Jun 23
Turkish Airlines Logo
9:15 pm - 1:30 pm
SYD
-
LHR
27h 15m
2 stops
Turkish Airlines Logo
6:35 am - 7:20 pm
LHR
-
SYD
25h 45m
2 stops
$961Turkish Airlines
Sun, Feb 1 - Fri, Feb 27
Multiple Airlines Logo
9:15 pm - 4:10 pm
SYD
-
LGW
29h 55m
2 stops
Multiple Airlines Logo
5:55 am - 6:15 am
LGW
-
SYD
37h 20m
3 stops
$984Multiple Airlines
Fri, Mar 6 - Fri, Mar 13

Air China flights from Sydney to London

Our best Air China deals on Sydney to London flight tickets
Air China
Feb 28
SYD2:00 pmSydney Kingsford Smith
38h 50m
1 stop
LHR5:50 pmLondon Heathrow
Mar 12
LHR8:25 pmLondon Heathrow
32h 05m
1 stop
SYD3:30 pmSydney Kingsford Smith
$1,008
Air China
Feb 27
SYD8:40 pmSydney Kingsford Smith
32h 10m
1 stop
LHR5:50 pmLondon Heathrow
Mar 14
LHR9:35 pmLondon Heathrow
54h 55m
2 stops
SYD3:30 pmSydney Kingsford Smith
$1,030
Air China
May 12
SYD7:40 pmSydney Kingsford Smith
31h 00m
1 stop
LHR5:40 pmLondon Heathrow
Jun 9
LHR10:00 pmLondon Heathrow
31h 50m
2 stops
SYD2:50 pmSydney Kingsford Smith
$1,073

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
Mar 11
SYD4:35 pmSydney Kingsford Smith
25h 05m
1 stop
LHR6:40 amLondon Heathrow
Mar 18
LHR8:55 pmLondon Heathrow
22h 40m
1 stop
SYD6:35 amSydney Kingsford Smith
$1,049
Etihad Airways
Feb 17
SYD9:45 pmSydney Kingsford Smith
27h 45m
1 stop
LHR2:30 pmLondon Heathrow
Feb 24
LHR1:55 pmLondon Heathrow
41h 00m
1 stop
SYD5:55 pmSydney Kingsford Smith
$1,052
Etihad Airways
Mar 6
SYD9:45 pmSydney Kingsford Smith
31h 25m
1 stop
LHR6:10 pmLondon Heathrow
Mar 21
LHR8:55 pmLondon Heathrow
22h 40m
1 stop
SYD6:35 amSydney Kingsford Smith
$1,053

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 21, 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

Mon 2/2

9:15 pm-4:10 pm

2 stops29h 55m

London Gatwick

Mon 2/16

5:05 pm-7:20 pm

2 stops39h 15m

$926

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 3/4

9:15 pm-4:10 pm

2 stops29h 55m

London Gatwick

Wed 3/11

10:30 am-1:35 pm

1 stop40h 05m

$932

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 6/10

8:30 pm-6:40 pm

1 stop31h 10m

London Heathrow

Tue 6/23

9:20 pm-9:00 am

1 stop26h 40m

$946

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 5/2

11:00 am-6:40 pm

1 stop40h 40m

London Heathrow

Sun 11/1

9:00 pm-1:35 pm

1 stop29h 35m

$949

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 5/6

8:30 pm-6:40 pm

1 stop31h 10m

London Heathrow

Thu 5/28

9:20 pm-9:00 am

1 stop26h 40m

$950

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 5/18

8:30 pm-6:40 pm

1 stop31h 10m

London Heathrow

Thu 5/21

9:20 pm-8:00 am

3 stops49h 40m

$951

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 5/6

8:30 pm-6:40 pm

1 stop31h 10m

London Heathrow

Tue 5/26

9:20 pm-8:00 am

3 stops49h 40m

$957

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 6/12

10:05 am-6:40 pm

3 stops41h 35m

London Heathrow

Tue 6/23

9:20 pm-8:00 am

3 stops49h 40m

$960

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 2/1

9:15 pm-1:30 pm

2 stops27h 15m

London Heathrow

Fri 2/27

6:35 am-7:20 pm

2 stops25h 45m

$961

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 3/6

9:15 pm-4:10 pm

2 stops29h 55m

London Gatwick

Fri 3/13

5:55 am-6:15 am

3 stops37h 20m

$984

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 $1,057.

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 $1,208 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

27h 55m

Direct flights

Mon, Tue, Wed, Thu and Sat

Airports in London

6 airports
The fastest flight from Sydney to London takes 27h 55m
Direct flights go from Sydney to London on Monday, Tuesday, Wednesday, Thursday and Saturday. 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. 27h 55m 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
1,140 reviews
Search Cathay Pacific flights
Etihad AirwaysPriceFrom $1,005Free CancellationRating
7.3
1,374 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,092Free CancellationRating
8.1
1,434 reviews
Search Singapore Airlines flights
Air IndiaPriceFrom $1,102Free CancellationRating
5.5
2,977 reviews
Search Air India flights
Qatar AirwaysPriceFrom $1,102Free CancellationRating
7.4
3,718 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $1,147Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
EmiratesPriceFrom $1,186Free CancellationRating
8.1
3,485 reviews
Search Emirates flights
Air ChinaPriceFrom $1,216Free CancellationRating
7.2
138 reviews
Search Air China flights
Qantas AirwaysPriceFrom $1,260Free CancellationRating
7.5
973 reviews
Search Qantas Airways flights
China SouthernPriceFrom $1,316Free CancellationRating
7.3
135 reviews
Search China Southern flights

  • Qantas Airways Flights From Sydney to London

    Qantas Airways flies from Sydney to London around 7 times per week, with 973 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.

  • British Airways Flights From Sydney to London

    The best British Airways deal for Sydney to London flight tickets found on momondo in the last 72 hours was $1,147, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at $1,526 round-trip. British Airways operates 7 flights out of Sydney into London in an average week, so prices vary by time and availability. 7,689 British Airways reviews by users on momondo have scored the airline at 6.7/10.

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
Wembley
Crawley
Dartford
Hayes
Brentwood
Watford
Cobham
Folkestone
Romford
Stansted
Harrow
Croydon
Richmond

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

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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