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Cheap flights from Sydney to London from $296

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 3/26. 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.
Turkish Airlines Logo
9:15 pm - 4:00 pm
SYD
-
LHR
29h 45m
2 stops
Turkish Airlines Logo
11:30 am - 7:20 pm
LHR
-
SYD
44h 50m
2 stops
$834Turkish Airlines
Sun, Mar 8 - Fri, Mar 20
Turkish Airlines Logo
9:15 pm - 4:55 pm
SYD
-
LHR
30h 40m
2 stops
Turkish Airlines Logo
11:10 am - 7:10 pm
LHR
-
SYD
47h 00m
2 stops
$841Turkish Airlines
Mon, Mar 23 - Wed, Apr 8
Turkish Airlines Logo
9:15 pm - 2:10 pm
SYD
-
LHR
27h 55m
2 stops
Turkish Airlines Logo
10:35 pm - 7:10 pm
LHR
-
SYD
35h 35m
2 stops
$851Turkish Airlines
Wed, Mar 11 - Wed, Apr 22
Turkish Airlines Logo
9:15 pm - 3:05 pm
SYD
-
LHR
28h 50m
2 stops
Turkish Airlines Logo
11:10 am - 7:10 pm
LHR
-
SYD
47h 00m
2 stops
$852Turkish Airlines
Wed, Mar 11 - Sun, Apr 12
China Southern Logo
2:15 pm - 7:00 pm
SYD
-
LHR
37h 45m
1 stop
China Southern Logo
10:10 pm - 12:35 pm
LHR
-
SYD
29h 25m
1 stop
$880China Southern
Wed, May 20 - Mon, Jun 1
Multiple Airlines Logo
2:00 pm - 5:55 pm
SYD
-
LHR
38h 55m
1 stop
Multiple Airlines Logo
8:30 pm - 6:50 pm
LHR
-
SYD
35h 20m
3 stops
$884Multiple Airlines
Mon, Mar 2 - Sun, Mar 8
Multiple Airlines Logo
9:00 pm - 5:35 pm
SYD
-
LHR
31h 35m
2 stops
Multiple Airlines Logo
5:40 pm - 2:55 pm
LHR
-
SYD
34h 15m
2 stops
$910Multiple Airlines
Thu, Mar 12 - Tue, Mar 17
China Southern Logo
10:00 pm - 6:35 pm
SYD
-
LHR
31h 35m
1 stop
China Southern Logo
10:10 pm - 7:40 pm
LHR
-
SYD
36h 30m
1 stop
$923China Southern
Wed, Mar 11 - Sun, Apr 12
China Southern Logo
11:25 am - 6:35 pm
SYD
-
LHR
42h 10m
1 stop
China Southern Logo
10:10 pm - 12:35 pm
LHR
-
SYD
29h 25m
1 stop
$932China Southern
Wed, Mar 11 - Sun, Apr 12
China Southern Logo
10:05 am - 7:00 pm
SYD
-
LHR
41h 55m
1 stop
China Southern Logo
10:10 pm - 7:40 pm
LHR
-
SYD
36h 30m
1 stop
$948China Southern
Mon, Jun 1 - Sat, Jun 13

China Airlines flights from Sydney to London Heathrow Airport

Our best China Airlines deals on Sydney to London Heathrow Airport flight tickets
China Airlines
Apr 20
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
May 12
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
$1,000
China Airlines
May 11
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
May 25
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
$1,001
China Airlines
May 1
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
May 9
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
$1,002

China Southern flights from Sydney to London Heathrow Airport

Our best China Southern deals on Sydney to London Heathrow Airport flight tickets
China Southern
May 20
SYD2:15 pmSydney Kingsford Smith
37h 45m
1 stop
LHR7:00 pmLondon Heathrow
Jun 1
LHR10:10 pmLondon Heathrow
29h 25m
1 stop
SYD12:35 pmSydney Kingsford Smith
$880
China Southern
Mar 11
SYD10:00 pmSydney Kingsford Smith
31h 35m
1 stop
LHR6:35 pmLondon Heathrow
Apr 12
LHR10:10 pmLondon Heathrow
36h 30m
1 stop
SYD7:40 pmSydney Kingsford Smith
$923
China Southern
Mar 11
SYD11:25 amSydney Kingsford Smith
42h 10m
1 stop
LHR6:35 pmLondon Heathrow
Apr 12
LHR10:10 pmLondon Heathrow
29h 25m
1 stop
SYD12:35 pmSydney Kingsford Smith
$932

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 February 3, 2026.
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

Sun 3/8

9:15 pm-4:00 pm

2 stops29h 45m

London Heathrow

Fri 3/20

11:30 am-7:20 pm

2 stops44h 50m

$834

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 3/23

9:15 pm-4:55 pm

2 stops30h 40m

London Heathrow

Wed 4/8

11:10 am-7:10 pm

2 stops47h 00m

$841

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 3/11

9:15 pm-2:10 pm

2 stops27h 55m

London Heathrow

Wed 4/22

10:35 pm-7:10 pm

2 stops35h 35m

$851

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 3/11

9:15 pm-3:05 pm

2 stops28h 50m

London Heathrow

Sun 4/12

11:10 am-7:10 pm

2 stops47h 00m

$852

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 5/20

2:15 pm-7:00 pm

1 stop37h 45m

London Heathrow

Mon 6/1

10:10 pm-12:35 pm

1 stop29h 25m

$880

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 3/2

2:00 pm-5:55 pm

1 stop38h 55m

London Heathrow

Sun 3/8

8:30 pm-6:50 pm

3 stops35h 20m

$884

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 3/12

9:00 pm-5:35 pm

2 stops31h 35m

London Heathrow

Tue 3/17

5:40 pm-2:55 pm

2 stops34h 15m

$910

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 3/11

10:00 pm-6:35 pm

1 stop31h 35m

London Heathrow

Sun 4/12

10:10 pm-7:40 pm

1 stop36h 30m

$923

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 3/11

11:25 am-6:35 pm

1 stop42h 10m

London Heathrow

Sun 4/12

10:10 pm-12:35 pm

1 stop29h 25m

$932

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/1

10:05 am-7:00 pm

1 stop41h 55m

London Heathrow

Sat 6/13

10:10 pm-7:40 pm

1 stop36h 30m

$948

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 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 $1,057. 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 $1,080.

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 $1,290 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 $1,210 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 February 2026, 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

31h 10m

Direct flights

Every day
The fastest flight from Sydney to London Heathrow Airport takes 31h 10m
Direct flights go from Sydney to London Heathrow Airport every day.
Search flight deals

  • 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 31h 10m.

  • 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
1,158 reviews
Search Cathay Pacific flights
Etihad AirwaysPriceFrom $1,005Free CancellationRating
7.3
1,380 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $1,092Free CancellationRating
8.2
1,443 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
3,729 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $1,147Free CancellationRating
6.7
7,712 reviews
Search British Airways flights
EmiratesPriceFrom $1,186Free CancellationRating
8.1
3,500 reviews
Search Emirates flights
Air ChinaPriceFrom $1,216Free CancellationRating
7.2
138 reviews
Search Air China flights
China SouthernPriceFrom $1,316Free CancellationRating
7.3
136 reviews
Search China Southern flights
Qantas AirwaysPriceFrom $1,391Free CancellationRating
7.5
985 reviews
Search Qantas 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 $1,391 round-trip, up to an average price of $1,800. Our users have rated Qantas Airways at 7.5/10.

  • British Airways Flights From Sydney to London Heathrow Airport

    British Airways (6.7/10 from 7,712 reviews) operates around 7 flights from Sydney to London Heathrow Airport in any given week. The average British Airways airfare for this route is around $1,526, with deals from around $1,147 rare but found on momondo. Referenced prices are for round-trip Sydney to London Heathrow Airport flight searches in the last 72 hours.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Stratford-upon-Avon
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
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 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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