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Cheap flights from Sydney to London from $438

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 2/18. 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

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China Eastern Logo
10:05 am - 6:40 am
SYD
-
LGW
53h 35m
3 stops
China Eastern Logo
7:00 pm - 9:00 am
LGW
-
SYD
29h 00m
1 stop
$1,032China Eastern
Sun, May 10 - Sun, Jun 7
Turkish Airlines Logo
9:05 pm - 1:10 pm
SYD
-
LGW
49h 05m
2 stops
Turkish Airlines Logo
10:50 am - 7:10 pm
LGW
-
SYD
47h 20m
2 stops
$1,033Turkish Airlines
Thu, Apr 30 - Mon, May 11
Turkish Airlines Logo
9:05 pm - 9:55 am
SYD
-
LGW
45h 50m
2 stops
Turkish Airlines Logo
7:00 am - 7:10 pm
LGW
-
SYD
27h 10m
2 stops
$1,035Turkish Airlines
Thu, May 7 - Thu, Jun 11
Multiple Airlines Logo
8:10 am - 5:00 pm
SYD
-
LHR
43h 50m
1 stop
Multiple Airlines Logo
9:00 pm - 1:35 pm
LHR
-
SYD
29h 35m
1 stop
$1,035Multiple Airlines
Sun, Feb 15 - Sat, Feb 28
Multiple Airlines Logo
10:00 pm - 6:35 pm
SYD
-
LHR
31h 35m
1 stop
Multiple Airlines Logo
9:00 pm - 6:55 pm
LHR
-
SYD
34h 55m
2 stops
$1,040Multiple Airlines
Mon, Feb 2 - Sun, Feb 8
China Eastern Logo
8:30 pm - 3:10 pm
SYD
-
LGW
27h 40m
1 stop
China Eastern Logo
6:00 pm - 9:00 am
LGW
-
SYD
30h 00m
1 stop
$1,042China Eastern
Sun, May 10 - Sat, May 30
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
$1,043China Airlines
Mon, Jun 8 - Wed, Jun 10
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
$1,044China Airlines
Mon, Jun 8 - Wed, Jun 10
Multiple Airlines Logo
2:10 pm - 1:10 pm
SYD
-
LGW
32h 00m
2 stops
Multiple Airlines Logo
5:35 pm - 7:10 pm
LGW
-
SYD
40h 35m
2 stops
$1,047Multiple Airlines
Mon, May 4 - Sun, Jun 7
Multiple Airlines Logo
2:10 pm - 1:10 pm
SYD
-
LGW
32h 00m
2 stops
Multiple Airlines Logo
10:50 am - 7:10 pm
LGW
-
SYD
47h 20m
2 stops
$1,048Multiple Airlines
Mon, May 4 - Sun, Jun 7

China Airlines flights from Sydney to London

Our best China Airlines deals on Sydney to London flight tickets
China Airlines
Jun 8
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
Jun 10
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
$1,043
China Airlines
Jun 8
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
Jun 10
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
$1,044
China Airlines
Apr 20
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
Sep 26
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
$1,079

Vietnam Airlines flights from Sydney to London

Our best Vietnam Airlines deals on Sydney to London flight tickets
Vietnam Airlines
May 30
SYD2:15 pmSydney Kingsford Smith
36h 35m
1 stop
LHR5:50 pmLondon Heathrow
Jun 16
LHR7:50 pmLondon Heathrow
27h 25m
1 stop
SYD8:15 amSydney Kingsford Smith
$1,118
Vietnam Airlines
May 6
SYD10:15 amSydney Kingsford Smith
39h 40m
1 stop
LHR4:55 pmLondon Heathrow
May 25
LHR6:55 pmLondon Heathrow
28h 20m
2 stops
SYD8:15 amSydney Kingsford Smith
$1,129
Vietnam Airlines
May 6
SYD10:15 amSydney Kingsford Smith
39h 40m
1 stop
LHR4:55 pmLondon Heathrow
May 25
LHR6:55 pmLondon Heathrow
28h 20m
2 stops
SYD8:15 amSydney Kingsford Smith
$1,130

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 15, 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

Sun 5/10

10:05 am-6:40 am

3 stops53h 35m

London Gatwick

Sun 6/7

7:00 pm-9:00 am

1 stop29h 00m

$1,032

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 4/30

9:05 pm-1:10 pm

2 stops49h 05m

London Gatwick

Mon 5/11

10:50 am-7:10 pm

2 stops47h 20m

$1,033

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 5/7

9:05 pm-9:55 am

2 stops45h 50m

London Gatwick

Thu 6/11

7:00 am-7:10 pm

2 stops27h 10m

$1,035

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 2/15

8:10 am-5:00 pm

1 stop43h 50m

London Heathrow

Sat 2/28

9:00 pm-1:35 pm

1 stop29h 35m

$1,035

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/2

10:00 pm-6:35 pm

1 stop31h 35m

London Heathrow

Sun 2/8

9:00 pm-6:55 pm

2 stops34h 55m

$1,040

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 5/10

8:30 pm-3:10 pm

1 stop27h 40m

London Gatwick

Sat 5/30

6:00 pm-9:00 am

1 stop30h 00m

$1,042

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/8

10:10 pm-4:30 pm

1 stop27h 20m

London Heathrow

Wed 6/10

9:10 pm-10:45 am

1 stop28h 35m

$1,043

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/8

10:10 pm-4:30 pm

1 stop27h 20m

London Heathrow

Wed 6/10

9:10 pm-10:45 am

1 stop28h 35m

$1,044

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 5/4

2:10 pm-1:10 pm

2 stops32h 00m

London Gatwick

Sun 6/7

5:35 pm-7:10 pm

2 stops40h 35m

$1,047

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 5/4

2:10 pm-1:10 pm

2 stops32h 00m

London Gatwick

Sun 6/7

10:50 am-7:10 pm

2 stops47h 20m

$1,048

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 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, Wed, Thu, Sat and Sun

Airports in London

6 airports
The fastest flight from Sydney to London takes 24h 25m
Direct flights go from Sydney to London on Monday, Wednesday, Thursday, Saturday and Sunday. 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
1,370 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
3,715 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $1,147Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
EmiratesPriceFrom $1,186Free CancellationRating
8.1
3,467 reviews
Search Emirates flights
Air ChinaPriceFrom $1,216Free CancellationRating
7.2
137 reviews
Search Air China flights
Qantas AirwaysPriceFrom $1,260Free CancellationRating
7.5
971 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 971 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.
Start using Trips
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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