Cheap flights from Sydney to London from $437

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 3/21. 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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Turkish Airlines Logo
9:15 pm - 2:10 pmSYD-LHR
27h 55m2 stops
Turkish Airlines Logo
6:35 am - 7:20 pmLHR-SYD
25h 45m2 stops
$991Turkish Airlines
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Fri, Feb 27 - Thu, Mar 12
China Airlines Logo
10:10 pm - 4:55 pmSYD-LHR
29h 45m1 stop
China Airlines Logo
9:15 pm - 12:15 pmLHR-SYD
28h 00m1 stop
$995China Airlines
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Mon, Feb 16 - Sat, Mar 14
China Eastern Logo
12:00 pm - 6:30 amSYD-LGW
29h 30m1 stop
China Eastern Logo
6:00 pm - 7:40 amLGW-SYD
28h 40m2 stops
$996China Eastern
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Wed, Feb 18 - Tue, Jul 28
China Eastern Logo
12:00 pm - 2:00 pmSYD-LGW
37h 00m1 stop
China Eastern Logo
10:30 am - 10:00 amLGW-SYD
36h 30m1 stop
$1,004China Eastern
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Fri, Jan 30 - Sun, Feb 1
Air China Logo
8:40 pm - 5:50 pmSYD-LHR
32h 10m1 stop
Air China Logo
9:35 pm - 3:30 pmLHR-SYD
54h 55m2 stops
$1,005Air China
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Mon, Feb 16 - Sat, Mar 7
China Eastern Logo
10:30 am - 5:30 pmSYD-LHR
42h 00m1 stop
China Eastern Logo
9:00 pm - 10:00 amLHR-SYD
26h 00m1 stop
$1,013China Eastern
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Fri, Jan 30 - Sun, Feb 1
China Southern Logo
11:25 am - 6:35 pmSYD-LHR
42h 10m1 stop
China Southern Logo
10:00 pm - 8:20 pmLHR-SYD
35h 20m1 stop
$1,017China Southern
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Tue, Feb 17 - Fri, Mar 6
Air China Logo
7:40 pm - 8:15 pmSYD-LHR
57h 35m2 stops
Air China Logo
10:40 pm - 2:50 pmLHR-SYD
31h 10m1 stop
$1,020Air China
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Thu, May 14 - Tue, May 26
China Southern Logo
8:10 am - 6:35 pmSYD-LHR
45h 25m1 stop
China Southern Logo
5:15 pm - 7:30 amLHR-SYD
51h 15m2 stops
$1,028China Southern
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Sun, Feb 15 - Wed, Mar 4
Japan Airlines Logo
9:15 am - 3:15 pmSYD-LHR
41h 00m1 stop
Japan Airlines Logo
9:05 am - 6:50 amLHR-SYD
34h 45m1 stop
$1,039Japan Airlines
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Wed, Feb 18 - Wed, Mar 4

Etihad Airways flights from Sydney to London

Our best Etihad Airways deals on Sydney to London flight tickets
Etihad Airways
Feb 14
SYD9:45 pmSydney Kingsford Smith
25h 20m
1 stop
LHR12:05 pmLondon Heathrow
Mar 4
LHR8:55 pmLondon Heathrow
22h 40m
1 stop
SYD6:35 amSydney Kingsford Smith
Etihad Airways
Mar 4
SYD4:35 pmSydney Kingsford Smith
25h 05m
1 stop
LHR6:40 amLondon Heathrow
Mar 16
LHR8:50 amLondon Heathrow
22h 05m
1 stop
SYD5:55 pmSydney Kingsford Smith
Etihad Airways
Feb 18
SYD4:35 pmSydney Kingsford Smith
25h 05m
1 stop
LHR6:40 amLondon Heathrow
Mar 18
LHR8:50 amLondon Heathrow
22h 05m
1 stop
SYD5:55 pmSydney Kingsford Smith

Qantas Airways flights from Sydney to London

Our best Qantas Airways deals on Sydney to London flight tickets
Qantas Airways
Dec 2
SYD3:55 pmSydney Kingsford Smith
25h 20m
1 stop
LHR6:15 amLondon Heathrow
Dec 20
LHR8:10 pmLondon Heathrow
23h 25m
1 stop
SYD6:35 amSydney Kingsford Smith
Qantas Airways
Dec 2
SYD3:55 pmSydney Kingsford Smith
30h 45m
2 stops
LHR11:40 amLondon Heathrow
Dec 20
LHR8:10 pmLondon Heathrow
23h 25m
1 stop
SYD6:35 amSydney Kingsford Smith
Qantas Airways
Dec 2
SYD3:55 pmSydney Kingsford Smith
25h 20m
1 stop
LHR6:15 amLondon Heathrow
Dec 17
LHR9:10 amLondon Heathrow
26h 15m
2 stops
SYD10:25 pmSydney Kingsford Smith

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 25, 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

Fri 2/27

9:15 pm-2:10 pm

2 stops27h 55m

London Heathrow

Thu 3/12

6:35 am-7:20 pm

2 stops25h 45m

$991

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/16

10:10 pm-4:55 pm

1 stop29h 45m

London Heathrow

Sat 3/14

9:15 pm-12:15 pm

1 stop28h 00m

$995

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

$996

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 1/30

12:00 pm-2:00 pm

1 stop37h 00m

London Gatwick

Sun 2/1

10:30 am-10:00 am

1 stop36h 30m

$1,004

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/16

8:40 pm-5:50 pm

1 stop32h 10m

London Heathrow

Sat 3/7

9:35 pm-3:30 pm

2 stops54h 55m

$1,005

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 1/30

10:30 am-5:30 pm

1 stop42h 00m

London Heathrow

Sun 2/1

9:00 pm-10:00 am

1 stop26h 00m

$1,013

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 2/17

11:25 am-6:35 pm

1 stop42h 10m

London Heathrow

Fri 3/6

10:00 pm-8:20 pm

1 stop35h 20m

$1,017

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/14

7:40 pm-8:15 pm

2 stops57h 35m

London Heathrow

Tue 5/26

10:40 pm-2:50 pm

1 stop31h 10m

$1,020

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 2/15

8:10 am-6:35 pm

1 stop45h 25m

London Heathrow

Wed 3/4

5:15 pm-7:30 am

2 stops51h 15m

$1,028

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 2/18

9:15 am-3:15 pm

1 stop41h 00m

London Heathrow

Wed 3/4

9:05 am-6:50 am

1 stop34h 45m

$1,039

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 $1,047, 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 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 $1,298 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 $1,211 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 50m

Direct flights

Mon, Tue, Thu and Sun

Airports in London

1 airport
The fastest flight from Sydney to London takes 24h 50m
Direct flights go from Sydney to London on Monday, Tuesday, Thursday and Sunday. There are no airlines offering direct flights.
There is 1 airport near London: London Heathrow (LHR)
  • How far is Sydney Kingsford Smith to London by plane?

    The distance between Sydney Kingsford Smith and London is about 10552.8 mi. 24h 45m 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
1,068 reviews
Search Cathay Pacific flights
Air ChinaPriceFrom $962Free CancellationRating
7.2
126 reviews
Search Air China flights
Malaysia AirlinesPriceFrom $999Free CancellationRating
7.3
281 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom $1,005Free CancellationRating
7.4
1,312 reviews
Search Etihad Airways flights
British AirwaysPriceFrom $1,086Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
Air IndiaPriceFrom $1,102Free CancellationRating
5.5
2,947 reviews
Search Air India flights
Singapore AirlinesPriceFrom $1,102Free CancellationRating
8.1
1,409 reviews
Search Singapore Airlines flights
China AirlinesPriceFrom $1,115Free CancellationRating
8.3
782 reviews
Search China Airlines flights
EmiratesPriceFrom $1,186Free CancellationRating
8.1
3,421 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $1,226Free CancellationRating
7.4
3,675 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 944 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
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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.

Get notified when prices go down

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1 adult
Thu 12/25
Thu 1/1

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