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Cheap flights from Sydney to London from $480

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 3/20. 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.
China Airlines Logo
10:10 pm - 4:30 pm
SYD
-
LHR
27h 20m1 stop
China Airlines Logo
9:10 pm - 10:45 am
LHR
-
SYD
28h 35m1 stop
$1,118China Airlines
Sun, Apr 19 - Wed, Apr 29
Multiple Airlines Logo
9:15 pm - 4:55 pm
SYD
-
LHR
30h 40m2 stops
Multiple Airlines Logo
4:35 pm - 6:45 am
LHR
-
SYD
27h 10m2 stops
$1,119Multiple Airlines
Mon, Feb 9 - Tue, Feb 17
China Eastern Logo
12:00 pm - 6:30 am
SYD
-
LGW
29h 30m1 stop
China Eastern Logo
6:00 pm - 7:40 am
LGW
-
SYD
28h 40m2 stops
$1,120China Eastern
Wed, Feb 18 - Tue, Jul 28
Multiple Airlines Logo
2:45 pm - 9:35 am
SYD
-
LHR
27h 50m2 stops
Multiple Airlines Logo
1:15 pm - 7:10 pm
LHR
-
SYD
44h 55m2 stops
$1,120Multiple Airlines
Mon, May 18 - Mon, May 25
Vietnam Airlines Logo
10:15 am - 5:50 pm
SYD
-
LHR
40h 35m1 stop
Vietnam Airlines Logo
7:10 pm - 8:15 am
LHR
-
SYD
28h 05m1 stop
$1,121Vietnam Airlines
Mon, Apr 20 - Thu, Apr 30
Turkish Airlines Logo
12:00 pm - 4:10 pm
SYD
-
LGW
39h 10m2 stops
Turkish Airlines Logo
6:20 am - 7:20 pm
LGW
-
SYD
26h 00m2 stops
$1,122Turkish Airlines
Thu, Feb 5 - Sun, Mar 1
China Airlines Logo
10:10 pm - 4:55 pm
SYD
-
LHR
29h 45m1 stop
China Airlines Logo
9:15 pm - 12:15 pm
LHR
-
SYD
28h 00m1 stop
$1,122China Airlines
Fri, Mar 6 - Mon, Mar 23
Multiple Airlines Logo
8:05 pm - 3:30 pm
SYD
-
LHR
30h 25m2 stops
Multiple Airlines Logo
9:00 pm - 1:35 pm
LHR
-
SYD
29h 35m1 stop
$1,123Multiple Airlines
Sun, Mar 1 - Mon, Mar 9
Turkish Airlines Logo
9:15 pm - 3:05 pm
SYD
-
LHR
28h 50m2 stops
Turkish Airlines Logo
10:35 pm - 7:20 pm
LHR
-
SYD
33h 45m2 stops
$1,125Turkish Airlines
Wed, Mar 4 - Mon, Mar 9
Qatar Airways Logo
3:50 pm - 12:35 pm
SYD
-
LGW
31h 45m1 stop
Qatar Airways Logo
9:00 am - 6:50 am
LGW
-
SYD
34h 50m1 stop
$1,145Qatar Airways
Mon, Feb 16 - Mon, Mar 2

KLM flights from Sydney to London

Our best KLM deals on Sydney to London flight tickets
KLM
Jan 17
SYD4:15 pmSydney Kingsford Smith
29h 30m
2 stops
LHR10:45 amLondon Heathrow
Feb 7
LHR4:25 pmLondon Heathrow
28h 00m
3 stops
SYD7:25 amSydney Kingsford Smith
$1,721
Find similar
KLM
Jan 17
SYD4:15 pmSydney Kingsford Smith
29h 30m
2 stops
LHR10:45 amLondon Heathrow
Jan 22
LHR5:05 pmLondon Heathrow
28h 30m
3 stops
SYD8:35 amSydney Kingsford Smith
$1,792
Find similar
KLM
Jan 18
SYD4:15 pmSydney Kingsford Smith
29h 30m
2 stops
LHR10:45 amLondon Heathrow
Jan 22
LHR5:05 pmLondon Heathrow
28h 30m
3 stops
SYD8:35 amSydney Kingsford Smith
$1,793
Find similar

China Southern flights from Sydney to London

Our best China Southern deals on Sydney to London flight tickets
China Southern
Jan 18
SYD11:25 amSydney Kingsford Smith
42h 10m
1 stop
LHR6:35 pmLondon Heathrow
Jan 22
LHR9:30 pmLondon Heathrow
29h 05m
2 stops
SYD1:35 pmSydney Kingsford Smith
$1,149
Find similar
China Southern
Jan 18
SYD3:15 pmSydney Kingsford Smith
38h 20m
1 stop
LHR6:35 pmLondon Heathrow
Jan 22
LHR10:00 pmLondon Heathrow
28h 35m
1 stop
SYD1:35 pmSydney Kingsford Smith
$1,158
Find similar
China Southern
Jan 18
SYD3:15 pmSydney Kingsford Smith
38h 20m
1 stop
LHR6:35 pmLondon Heathrow
Jan 25
LHR5:15 pmLondon Heathrow
26h 20m
2 stops
SYD6:35 amSydney Kingsford Smith
$1,356
Find similar

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 6, 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 - LHR

SYDLHR

Sydney Kingsford Smith

Sun 4/19

10:10 pm-4:30 pm

1 stop27h 20m

London Heathrow

Wed 4/29

9:10 pm-10:45 am

1 stop28h 35m

$1,118

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/9

9:15 pm-4:55 pm

2 stops30h 40m

London Heathrow

Tue 2/17

4:35 pm-6:45 am

2 stops27h 10m

$1,119

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 2/18

12:00 pm-6:30 am

1 stop29h 30m

London Gatwick

Tue 7/28

6:00 pm-7:40 am

2 stops28h 40m

$1,120

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 5/18

2:45 pm-9:35 am

2 stops27h 50m

London Heathrow

Mon 5/25

1:15 pm-7:10 pm

2 stops44h 55m

$1,120

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 4/20

10:15 am-5:50 pm

1 stop40h 35m

London Heathrow

Thu 4/30

7:10 pm-8:15 am

1 stop28h 05m

$1,121

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 2/5

12:00 pm-4:10 pm

2 stops39h 10m

London Gatwick

Sun 3/1

6:20 am-7:20 pm

2 stops26h 00m

$1,122

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 3/6

10:10 pm-4:55 pm

1 stop29h 45m

London Heathrow

Mon 3/23

9:15 pm-12:15 pm

1 stop28h 00m

$1,122

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 3/1

8:05 pm-3:30 pm

2 stops30h 25m

London Heathrow

Mon 3/9

9:00 pm-1:35 pm

1 stop29h 35m

$1,123

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 3/4

9:15 pm-3:05 pm

2 stops28h 50m

London Heathrow

Mon 3/9

10:35 pm-7:20 pm

2 stops33h 45m

$1,125

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 2/16

3:50 pm-12:35 pm

1 stop31h 45m

London Gatwick

Mon 3/2

9:00 am-6:50 am

1 stop34h 50m

$1,145

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 $1,055, 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 $1,059.

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 $1,287 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 $1,197 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 10% 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
1,122 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom $999Free CancellationRating
7.3
289 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom $1,005Free CancellationRating
7.3
1,360 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,092Free CancellationRating
8.1
1,427 reviews
Search Singapore Airlines flights
Air IndiaPriceFrom $1,102Free CancellationRating
5.5
2,974 reviews
Search Air India flights
Qatar AirwaysPriceFrom $1,102Free CancellationRating
7.4
3,701 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $1,147Free CancellationRating
6.7
7,655 reviews
Search British Airways flights
EmiratesPriceFrom $1,186Free CancellationRating
8.1
3,461 reviews
Search Emirates flights
Air ChinaPriceFrom $1,216Free CancellationRating
7.2
136 reviews
Search Air China flights
Qantas AirwaysPriceFrom $1,260Free CancellationRating
7.5
967 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 967 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
Luton
Hounslow
Milton Keynes
Dover
Slough
Guildford
Hayes
Crawley
Dartford
Brentwood
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge
Chelmsford
Stansted

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