Cheap flights from Sydney to London from $669

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 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Air China Logo
20:40 - 17:50SYD-LHR
32h 10m1 stop
Air China Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
$1,384Air China
Find Deal
Thu, 6 Nov - Thu, 20 Nov
Multiple Airlines Logo
16:50 - 19:00SYD-LHR
37h 10m1 stop
Multiple Airlines Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
$1,385Multiple Airlines
Find Deal
Fri, 21 Nov - Fri, 28 Nov
China Southern Logo
22:15 - 19:00SYD-LHR
30h 45m1 stop
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
$1,387China Southern
Find Deal
Mon, 20 Oct - Sat, 8 Nov
Multiple Airlines Logo
21:00 - 17:35SYD-LHR
31h 35m2 stops
Multiple Airlines Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
$1,389Multiple Airlines
Find Deal
Thu, 6 Nov - Thu, 20 Nov
Multiple Airlines Logo
21:55 - 17:00SYD-LHR
29h 05m2 stops
Multiple Airlines Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
$1,390Multiple Airlines
Find Deal
Sun, 19 Oct - Mon, 1 Dec
Turkish Airlines Logo
21:55 - 16:15SYD-LHR
28h 20m2 stops
Turkish Airlines Logo
06:35 - 19:20LHR-SYD
25h 45m2 stops
$1,392Turkish Airlines
Find Deal
Thu, 23 Oct - Thu, 6 Nov
Turkish Airlines Logo
21:55 - 20:50SYD-LHR
32h 55m2 stops
Turkish Airlines Logo
06:35 - 19:20LHR-SYD
25h 45m2 stops
$1,393Turkish Airlines
Find Deal
Thu, 23 Oct - Thu, 6 Nov
China Southern Logo
11:25 - 18:35SYD-LHR
42h 10m1 stop
China Southern Logo
22:00 - 09:25LHR-SYD
24h 25m1 stop
$1,399China Southern
Find Deal
Thu, 6 Nov - Thu, 20 Nov
China Eastern Logo
13:30 - 17:30SYD-LHR
39h 00m2 stops
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
$1,408China Eastern
Find Deal
Sun, 9 Nov - Sat, 22 Nov
China Eastern Logo
21:30 - 17:30SYD-LHR
31h 00m1 stop
China Eastern Logo
21:00 - 10:00LHR-SYD
26h 00m1 stop
$1,411China Eastern
Find Deal
Sat, 8 Nov - Sat, 15 Nov

China Southern flights from Sydney to London Heathrow Airport

Our best China Southern deals on Sydney to London Heathrow Airport flight tickets
China Southern
20 Oct
SYD22:15Sydney Kingsford Smith
30h 45m
1 stop
LHR19:00London Heathrow
8 Nov
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney Kingsford Smith
China Southern
6 Nov
SYD11:25Sydney Kingsford Smith
42h 10m
1 stop
LHR18:35London Heathrow
20 Nov
LHR22:00London Heathrow
24h 25m
1 stop
SYD09:25Sydney Kingsford Smith
China Southern
21 Oct
SYD22:15Sydney Kingsford Smith
30h 45m
1 stop
LHR19:00London Heathrow
18 Nov
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney Kingsford Smith

China Eastern flights from Sydney to London Heathrow Airport

Our best China Eastern deals on Sydney to London Heathrow Airport flight tickets
China Eastern
13 Oct
SYD11:25Sydney Kingsford Smith
41h 15m
3 stops
LHR18:40London Heathrow
28 Oct
LHR21:00London Heathrow
51h 00m
3 stops
SYD11:00Sydney Kingsford Smith
China Eastern
9 Nov
SYD13:30Sydney Kingsford Smith
39h 00m
2 stops
LHR17:30London Heathrow
22 Nov
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
China Eastern
8 Nov
SYD21:30Sydney Kingsford Smith
31h 00m
1 stop
LHR17:30London Heathrow
15 Nov
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 9 October 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

Thu 6/11

20:40-17:50

1 stop32h 10m

London Heathrow

Thu 20/11

17:40-15:30

1 stop34h 50m

$1,384

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 21/11

16:50-19:00

1 stop37h 10m

London Heathrow

Fri 28/11

20:25-15:30

1 stop32h 05m

$1,385

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 20/10

22:15-19:00

1 stop30h 45m

London Heathrow

Sat 8/11

22:00-20:20

1 stop35h 20m

$1,387

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 6/11

21:00-17:35

2 stops31h 35m

London Heathrow

Thu 20/11

17:40-15:30

1 stop34h 50m

$1,388

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 19/10

21:55-17:00

2 stops29h 05m

London Heathrow

Mon 1/12

17:40-15:30

1 stop34h 50m

$1,390

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 23/10

21:55-16:15

2 stops28h 20m

London Heathrow

Thu 6/11

06:35-19:20

2 stops25h 45m

$1,392

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 23/10

21:55-20:50

2 stops32h 55m

London Heathrow

Thu 6/11

06:35-19:20

2 stops25h 45m

$1,393

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 6/11

11:25-18:35

1 stop42h 10m

London Heathrow

Thu 20/11

22:00-09:25

1 stop24h 25m

$1,399

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 9/11

13:30-17:30

2 stops39h 00m

London Heathrow

Sat 22/11

21:00-10:00

1 stop26h 00m

$1,408

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 8/11

21:30-17:30

1 stop31h 00m

London Heathrow

Sat 15/11

21:00-10:00

1 stop26h 00m

$1,411

Flights are sorted by cheapest return 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 $1,611. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from Sydney during February instead. Flights to London Heathrow Airport in February, while not as cheap as those in October, still average around $1,639.

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

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $2,083. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London Heathrow Airport for around $2,439.

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

In the evening is the cheapest time of day to fly from Sydney to London Heathrow Airport when you can find flight prices for as low as $1,822. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is at midday when prices are around $2,493.

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 $1,979 when searching weeks before you fly. 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 $1,810 on momondo.

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

There are 3 cabin classes 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.

Can stopping save me money on Sydney to London Heathrow Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a Sydney to London Heathrow Airport flight.

How have Sydney to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Sydney to London Heathrow Airport flights are approximately 22% 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 return 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

Best price found

$1,435

Fastest flight time

23h 45m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Sydney in the past 72 hours is $1,435. The best return flight deal from Sydney to London Heathrow Airport found on momondo in the last 72 hours is $2,054.
The fastest flight from Sydney to London Heathrow Airport takes 23h 45m
Direct flights go from Sydney to London Heathrow Airport every day.
  • How far is Sydney Kingsford Smith to London Heathrow by plane?

    A flight from Sydney Kingsford Smith to London Heathrow will travel around 17004.5 km. Typically, this will take 27h 10m by plane in normal conditions.

  • 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 updated daily.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for 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 licence 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
Air ChinaPriceFrom $1,160Free cancellationRating
7.2
113 reviews
Search Air China flights
China SouthernPriceFrom $1,167Free cancellationRating
7.4
116 reviews
Search China Southern flights
China EasternPriceFrom $1,271Free cancellationRating
7.2
168 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $1,419Free cancellationRating
7.3
3,996 reviews
Search Turkish Airlines flights
China AirlinesPriceFrom $1,439Free cancellationRating
8.3
768 reviews
Search China Airlines flights
Japan AirlinesPriceFrom $1,466Free cancellationRating
8.3
1,577 reviews
Search Japan Airlines flights
Qatar AirwaysPriceFrom $1,480Free cancellationRating
7.4
3,644 reviews
Search Qatar Airways flights
SWISSPriceFrom $1,489Free cancellationRating
7.6
1,766 reviews
Search SWISS flights
Vietnam AirlinesPriceFrom $1,615Free cancellationRating
7.5
203 reviews
Search Vietnam Airlines flights
Virgin AustraliaPriceFrom $1,642Free cancellationRating
7.6
418 reviews
Search Virgin Australia flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Brentford
Wembley
Dover
Ipswich
Abingdon
Eastbourne
Slough
Chichester
Canterbury
Deal
Kingston upon Thames
Brentwood
Milton Keynes
Guildford
Salisbury
Sutton
Maidstone
Watford

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to London for you.

Can I find flights from Sydney to London with flexible booking policies on momondo?

Yes. All flights to London from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes momondo offers price alerts on flights to London from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 8/11
Sat 15/11

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