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Cheap flights from Sydney to London from $425

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 11/11. 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
Find Deal
qua, abr 29 - ter, mai 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
Find Deal
dom, mar 29 - dom, abr 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
Find Deal
seg, mar 2 - qua, abr 8
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
$972China Airlines
Find Deal
dom, mar 1 - sáb, mar 14
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
$973China Airlines
Find Deal
dom, mar 1 - sáb, mar 14
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
Find Deal
qui, nov 20 - qui, dez 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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qua, nov 19 - ter, 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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seg, dez 1 - qua, dez 31
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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sex, nov 21 - qui, nov 27
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
Find Deal
sex, mar 13 - dom, mar 29

Etihad Airways flights from Sydney to London Heathrow Airport

Our best Etihad Airways deals on Sydney to London Heathrow Airport 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
Find similar

China Airlines flights from Sydney to London Heathrow Airport

Our best China Airlines deals on Sydney to London Heathrow Airport 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 Heathrow Airport 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 novembro 4, 2025.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

qua 4/29

11:00 am-6:40 pm

1 stop40h 40m

London Heathrow

ter 5/5

9:20 pm-9:00 am

1 stop26h 40m

$932

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

dom 3/29

10:10 pm-4:55 pm

2 stops28h 45m

London Heathrow

dom 4/26

1:15 pm-7:15 pm

2 stops45h 00m

$936

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

seg 3/2

9:15 pm-4:10 pm

2 stops29h 55m

London Heathrow

qua 4/8

6:30 am-7:15 pm

2 stops27h 45m

$937

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

dom 3/1

10:10 pm-4:55 pm

1 stop29h 45m

London Heathrow

sáb 3/14

9:15 pm-12:15 pm

1 stop28h 00m

$972

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

dom 3/1

10:10 pm-4:55 pm

1 stop29h 45m

London Heathrow

sáb 3/14

9:15 pm-12:15 pm

1 stop28h 00m

$973

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

qui 11/20

10:20 pm-5:20 pm

1 stop30h 00m

London Heathrow

qui 12/4

5:50 pm-12:00 pm

1 stop31h 10m

$978

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

qua 11/19

10:20 pm-3:00 pm

1 stop27h 40m

London Heathrow

ter 11/25

10:05 pm-9:35 am

1 stop24h 30m

$993

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

seg 12/1

4:35 pm-6:40 am

1 stop25h 05m

London Heathrow

qua 12/31

8:50 am-5:55 pm

1 stop22h 05m

$1,056

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

sex 11/21

9:30 pm-6:40 am

1 stop44h 10m

London Heathrow

qui 11/27

8:50 am-5:55 pm

1 stop22h 05m

$1,081

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

sex 3/13

11:25 am-6:35 pm

1 stop42h 10m

London Heathrow

dom 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 Heathrow Airport

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 Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Sydney, with most prices found around $1,063. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Sydney to London Heathrow Airport during February average around $1,079.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Sydney to London Heathrow Airport in the evening for as low as $1,519. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,577.

What is the cheapest Sydney Kingsford Smith to London Heathrow flight route?

Fly from Sydney Kingsford Smith to London Heathrow for the best Sydney Kingsford Smith - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport 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 Heathrow Airport from Sydney for as low as $1,193 on momondo.

What cabin class options are available on Sydney Kingsford Smith to London Heathrow flights?

There is only 1 cabin class available to choose from on Sydney Kingsford Smith to London Heathrow 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 Heathrow Airport flight prices changed over time?

As of November 2025, prices for Sydney to London Heathrow Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sydney to London Heathrow Airport (SYD to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to London Heathrow Airport

Fastest flight time

24h 25m

Direct flights

Mon and Fri
The fastest flight from Sydney to London Heathrow Airport takes 24h 25m
Direct flights go from Sydney to London Heathrow Airport on Monday and Friday. There are no airlines offering direct flights.
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  • How far is Sydney Kingsford Smith to London Heathrow by plane?

    There are 10566.1 mi between Sydney Kingsford Smith and London Heathrow. By plane, this route typically takes 25h 05m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to London Heathrow Airport?

    Prices for flights from Sydney Kingsford Smith Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to London Heathrow Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to London Heathrow Airport?

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

  • What is the most popular airline from Sydney to London Heathrow Airport?

Best airlines flying from Sydney to London Heathrow Airport

Compare and see reviews for airlines that fly from Sydney to London Heathrow Airport 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 Heathrow Airport

    Qantas Airways is one of the most popular airlines flying from Sydney to London Heathrow Airport, operating 7 flights/week on average for this route. A good Qantas Airways flight deal for Sydney to London Heathrow Airport starts from $1,301 round-trip, up to an average price of $1,760. Our users have rated Qantas Airways at 7.5/10.

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
Stratford-upon-Avon
Brentwood
Salisbury
Chelmsford
Folkestone
Romford
Ilford
Swindon
Cobham
Wembley

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 enables you to select and highlight flights to London from Sydney with this policy.

How can momondo help me find flights from Sydney to London?

Once all potential Sydney to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 Heathrow Airport trip

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qui 12/4
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