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Cheap flights from Sydney to London from $418

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 2/1. 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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China Eastern Logo
11:00 am - 6:40 pmSYD-LHR
40h 40m1 stop
China Eastern Logo
9:20 pm - 9:00 amLHR-SYD
26h 40m1 stop
$932China Eastern
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Wed, Apr 29 - Tue, May 5
Turkish Airlines Logo
10:10 pm - 4:55 pmSYD-LHR
28h 45m2 stops
Turkish Airlines Logo
1:15 pm - 7:15 pmLHR-SYD
45h 00m2 stops
$936Turkish Airlines
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Sun, Mar 29 - Sun, Apr 26
Turkish Airlines Logo
9:15 pm - 4:10 pmSYD-LHR
29h 55m2 stops
Turkish Airlines Logo
6:30 am - 7:15 pmLHR-SYD
27h 45m2 stops
$937Turkish Airlines
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Mon, Mar 2 - Wed, Apr 8
Cathay Pacific Logo
10:20 pm - 5:20 pmSYD-LHR
30h 00m1 stop
Cathay Pacific Logo
5:50 pm - 12:00 pmLHR-SYD
31h 10m1 stop
$978Cathay Pacific
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Thu, Nov 20 - Thu, Dec 4
Cathay Pacific Logo
10:20 pm - 3:00 pmSYD-LHR
27h 40m1 stop
Cathay Pacific Logo
10:05 pm - 9:35 amLHR-SYD
24h 30m1 stop
$993Cathay Pacific
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Wed, Nov 19 - Tue, Nov 25
Etihad Airways Logo
4:35 pm - 6:40 amSYD-LHR
25h 05m1 stop
Etihad Airways Logo
8:50 am - 5:55 pmLHR-SYD
22h 05m1 stop
$1,056Etihad Airways
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Mon, Dec 1 - Wed, Dec 31
Emirates Logo
9:10 pm - 11:40 amSYD-LGW
25h 30m1 stop
Emirates Logo
9:40 am - 6:35 pmLGW-SYD
21h 55m1 stop
$1,071Emirates
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Sun, Nov 16 - Mon, Nov 24
Etihad Airways Logo
9:30 pm - 6:40 amSYD-LHR
44h 10m1 stop
Etihad Airways Logo
8:50 am - 5:55 pmLHR-SYD
22h 05m1 stop
$1,081Etihad Airways
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Fri, Nov 21 - Thu, Nov 27
Emirates Logo
6:00 am - 6:25 pmSYD-LGW
23h 25m1 stop
Emirates Logo
2:30 pm - 10:05 pmLGW-SYD
22h 35m1 stop
$1,088Emirates
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Tue, Mar 17 - Thu, Apr 9
China Southern Logo
11:25 am - 6:35 pmSYD-LHR
42h 10m1 stop
China Southern Logo
10:10 pm - 9:25 amLHR-SYD
25h 15m1 stop
$1,098China Southern
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Fri, Mar 13 - Sun, Mar 29

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
Dec 1
SYD4:35 pmSydney Kingsford Smith
25h 05m
1 stop
LHR6:40 amLondon Heathrow
Dec 31
LHR8:50 amLondon Heathrow
22h 05m
1 stop
SYD5:55 pmSydney Kingsford Smith
$1,056
Find similar
Etihad Airways
Nov 21
SYD9:30 pmSydney Kingsford Smith
44h 10m
1 stop
LHR6:40 amLondon Heathrow
Nov 27
LHR8:50 amLondon Heathrow
22h 05m
1 stop
SYD5:55 pmSydney Kingsford Smith
$1,081
Find similar
Etihad Airways
Jan 28
SYD4:35 pmSydney Kingsford Smith
25h 05m
1 stop
LHR6:40 amLondon Heathrow
Feb 23
LHR7:20 pmLondon Heathrow
24h 15m
1 stop
SYD6:35 amSydney Kingsford Smith
$1,113
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China Airlines flights from Sydney to London

Our best China Airlines deals on Sydney to London flight tickets
China Airlines
Mar 1
SYD10:10 pmSydney Kingsford Smith
29h 45m
1 stop
LHR4:55 pmLondon Heathrow
Mar 14
LHR9:15 pmLondon Heathrow
28h 00m
1 stop
SYD12:15 pmSydney Kingsford Smith
$972
Find similar
China Airlines
Mar 1
SYD10:10 pmSydney Kingsford Smith
29h 45m
1 stop
LHR4:55 pmLondon Heathrow
Mar 14
LHR9:15 pmLondon Heathrow
28h 00m
1 stop
SYD12:15 pmSydney Kingsford Smith
$973
Find similar
China Airlines
Mar 2
SYD10:10 pmSydney Kingsford Smith
29h 45m
1 stop
LHR4:55 pmLondon Heathrow
Apr 8
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
$988
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 November 4, 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 - LHR

SYDLHR

Sydney Kingsford Smith

Wed 4/29

11:00 am-6:40 pm

1 stop40h 40m

London Heathrow

Tue 5/5

9:20 pm-9:00 am

1 stop26h 40m

$932

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 3/29

10:10 pm-4:55 pm

2 stops28h 45m

London Heathrow

Sun 4/26

1:15 pm-7:15 pm

2 stops45h 00m

$936

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 3/2

9:15 pm-4:10 pm

2 stops29h 55m

London Heathrow

Wed 4/8

6:30 am-7:15 pm

2 stops27h 45m

$937

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 11/20

10:20 pm-5:20 pm

1 stop30h 00m

London Heathrow

Thu 12/4

5:50 pm-12:00 pm

1 stop31h 10m

$978

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 11/19

10:20 pm-3:00 pm

1 stop27h 40m

London Heathrow

Tue 11/25

10:05 pm-9:35 am

1 stop24h 30m

$993

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 12/1

4:35 pm-6:40 am

1 stop25h 05m

London Heathrow

Wed 12/31

8:50 am-5:55 pm

1 stop22h 05m

$1,056

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 11/16

9:10 pm-11:40 am

1 stop25h 30m

London Gatwick

Mon 11/24

9:40 am-6:35 pm

1 stop21h 55m

$1,071

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 11/21

9:30 pm-6:40 am

1 stop44h 10m

London Heathrow

Thu 11/27

8:50 am-5:55 pm

1 stop22h 05m

$1,081

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 3/17

6:00 am-6:25 pm

1 stop23h 25m

London Gatwick

Thu 4/9

2:30 pm-10:05 pm

1 stop22h 35m

$1,088

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 3/13

11:25 am-6:35 pm

1 stop42h 10m

London Heathrow

Sun 3/29

10:10 pm-9:25 am

1 stop25h 15m

$1,098

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 $1,040, 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 $1,060.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,266 when looking at flights departing in the evening. Flights to London are more costly in the morning, with an average ticket price of $1,357. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,302 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 $1,193 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 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 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 and Fri

Airports in London

1 airport
The fastest flight from Sydney to London takes 24h 25m
Direct flights go from Sydney to London on Monday and Friday. There are no airlines offering direct flights.
There is 1 airport near London: London Heathrow (LHR)
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  • How far is Sydney Kingsford Smith to London by plane?

    The distance between Sydney Kingsford Smith and London is about 10552.8 mi. 23h 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
1,052 reviews
Search Cathay Pacific flights
Air ChinaPriceFrom $962Free CancellationRating
7.1
122 reviews
Search Air China flights
Malaysia AirlinesPriceFrom $999Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom $1,005Free CancellationRating
7.4
1,285 reviews
Search Etihad Airways flights
British AirwaysPriceFrom $1,086Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
Air IndiaPriceFrom $1,102Free CancellationRating
5.5
2,942 reviews
Search Air India flights
Singapore AirlinesPriceFrom $1,102Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $1,115Free CancellationRating
8.3
776 reviews
Search China Airlines flights
EmiratesPriceFrom $1,186Free CancellationRating
8.1
3,401 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $1,226Free CancellationRating
7.4
3,660 reviews
Search Qatar Airways flights

  • Qantas Airways Flights From Sydney to London

    Qantas Airways flies from Sydney to London around 7 times per week, with 927 momondo users rating the airline 7.5/10. The cheapest Qantas Airways deal from Sydney to London in the last 72 hours was $1,301 (round-trip), much lower than the average airfare cost of $1,760 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford
Harrow

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