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Cheap flights from Sydney to London from £336

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 30/11. 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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Cheap return flights

Logo
13:45 - 16:55SYD-LHR
37h 10m2 stops
Logo
21:30 - 20:20LHR-SYD
35h 50m2 stops
£675
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Sat, 18 Oct - Mon, 3 Nov
China Eastern Logo
12:20 - 18:40SYD-LHR
40h 20m2 stops
China Eastern Logo
21:00 - 13:35LHR-SYD
29h 35m1 stop
£676China Eastern
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Sat, 18 Oct - Mon, 3 Nov
China Southern Logo
22:15 - 19:00SYD-LHR
30h 45m1 stop
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
£678China Southern
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Sat, 18 Oct - Mon, 3 Nov
Turkish Airlines Logo
21:55 - 16:40SYD-LHR
28h 45m2 stops
Turkish Airlines Logo
06:30 - 20:00LHR-SYD
27h 30m2 stops
£686Turkish Airlines
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Tue, 14 Oct - Tue, 21 Oct
Turkish Airlines Logo
21:55 - 09:50SYD-LHR
45h 55m2 stops
Turkish Airlines Logo
06:35 - 19:20LHR-SYD
25h 45m2 stops
£687Turkish Airlines
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Tue, 21 Oct - Tue, 4 Nov
Air China Logo
20:40 - 20:30SYD-LHR
33h 50m1 stop
Air China Logo
20:25 - 15:30LHR-SYD
32h 05m1 stop
£696Air China
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Thu, 16 Oct - Thu, 6 Nov
China Southern Logo
11:15 - 19:00SYD-LHR
41h 45m1 stop
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
£698China Southern
Find Deal
Thu, 23 Oct - Sat, 1 Nov
Air China Logo
20:40 - 17:50SYD-LHR
32h 10m1 stop
Air China Logo
17:40 - 15:30LHR-SYD
34h 50m1 stop
£703Air China
Find Deal
Thu, 13 Nov - Sat, 6 Dec
China Airlines Logo
22:10 - 16:55SYD-LHR
29h 45m1 stop
China Airlines Logo
21:15 - 12:15LHR-SYD
28h 00m1 stop
£707China Airlines
Find Deal
Tue, 11 Nov - Sat, 31 Jan
China Airlines Logo
22:10 - 16:55SYD-LHR
29h 45m1 stop
China Airlines Logo
21:15 - 12:15LHR-SYD
28h 00m1 stop
£709China Airlines
Find Deal
Sun, 26 Oct - Sat, 1 Nov

China Eastern flights from Sydney to London Heathrow Airport

Our best China Eastern deals on Sydney to London Heathrow Airport flight tickets
China Eastern
18 Oct
SYD12:20Sydney Kingsford Smith
40h 20m
2 stops
LHR18:40London Heathrow
3 Nov
LHR21:00London Heathrow
29h 35m
1 stop
SYD13:35Sydney Kingsford Smith
£676
Find similar
China Eastern
10 Oct
SYD12:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
28 Oct
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
£689
Find similar
China Eastern
5 Oct
SYD12:00Sydney Kingsford Smith
40h 40m
1 stop
LHR18:40London Heathrow
28 Oct
LHR21:00London Heathrow
26h 00m
1 stop
SYD10:00Sydney Kingsford Smith
£693
Find similar

Turkish Airlines flights from Sydney to London Heathrow Airport

Our best Turkish Airlines deals on Sydney to London Heathrow Airport flight tickets
Turkish Airlines
14 Oct
SYD21:55Sydney Kingsford Smith
28h 45m
2 stops
LHR16:40London Heathrow
21 Oct
LHR06:30London Heathrow
27h 30m
2 stops
SYD20:00Sydney Kingsford Smith
£686
Find similar
Turkish Airlines
21 Oct
SYD21:55Sydney Kingsford Smith
45h 55m
2 stops
LHR09:50London Heathrow
4 Nov
LHR06:35London Heathrow
25h 45m
2 stops
SYD19:20Sydney Kingsford Smith
£687
Find similar
Turkish Airlines
25 Nov
SYD21:15Sydney Kingsford Smith
36h 10m
2 stops
LHR22:25London Heathrow
30 Nov
LHR19:55London Heathrow
36h 25m
2 stops
SYD19:20Sydney Kingsford Smith
£712
Find similar

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 279,928 searches. Data last updated 16 September 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

Sat 18/10

13:45-16:55

2 stops37h 10m

London Heathrow

Mon 3/11

21:30-20:20

2 stops35h 50m

£675

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 18/10

12:20-18:40

2 stops40h 20m

London Heathrow

Mon 3/11

21:00-13:35

1 stop29h 35m

£676

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 18/10

22:15-19:00

1 stop30h 45m

London Heathrow

Mon 3/11

22:00-20:20

1 stop35h 20m

£678

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 14/10

21:55-16:40

2 stops28h 45m

London Heathrow

Tue 21/10

06:30-20:00

2 stops27h 30m

£686

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 21/10

21:55-09:50

2 stops45h 55m

London Heathrow

Tue 4/11

06:35-19:20

2 stops25h 45m

£687

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 16/10

20:40-20:30

1 stop33h 50m

London Heathrow

Thu 6/11

20:25-15:30

1 stop32h 05m

£696

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 23/10

11:15-19:00

1 stop41h 45m

London Heathrow

Sat 1/11

22:00-20:20

1 stop35h 20m

£698

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 13/11

20:40-17:50

1 stop32h 10m

London Heathrow

Sat 6/12

17:40-15:30

1 stop34h 50m

£703

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 11/11

22:10-16:55

1 stop29h 45m

London Heathrow

Sat 31/1

21:15-12:15

1 stop28h 00m

£707

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 26/10

22:10-16:55

1 stop29h 45m

London Heathrow

Sat 1/11

21:15-12:15

1 stop28h 00m

£709

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 typical price of a round-trip flight between Sydney and London Heathrow Airport?

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

In general, February is the cheapest month to fly from Sydney to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £784. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Sydney averaging around £784.

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

On average, the least expensive day to fly to London Heathrow Airport from Sydney is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £1,079. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,441.

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 morning. momondo users have found flights departing from Sydney to London Heathrow Airport in the morning for as low as £937. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,373 on average. Flights to London Heathrow Airport from Sydney in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £958 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 £875 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 9% 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 September 2025, prices for Sydney to London Heathrow Airport flights are approximately 16% 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

Fastest flight time

23h 45m

Direct flights

Every day
The fastest flight from Sydney to London Heathrow Airport takes 23h 45m
Direct flights go from Sydney to London Heathrow Airport every day.
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  • How far is Sydney Kingsford Smith to London Heathrow by plane?

    A flight from Sydney Kingsford Smith to London Heathrow will travel around 10566.1 mi. 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 were last updated today.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 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
China SouthernPriceFrom £617Free CancellationRating
7.5
110 reviews
Search China Southern flights
Air ChinaPriceFrom £661Free CancellationRating
7.2
99 reviews
Search Air China flights
China EasternPriceFrom £671Free CancellationRating
7.2
165 reviews
Search China Eastern flights
Air IndiaPriceFrom £679Free CancellationRating
5.5
2,930 reviews
Search Air India flights
Etihad AirwaysPriceFrom £719Free CancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £721Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £735Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom £745Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
Malaysia AirlinesPriceFrom £769Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom £779Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines 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 £1,292 round-trip, up to an average price of £1,683. Our users have rated Qantas Airways at 7.5/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Chelmsford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Sydney.

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?

momondo helps you find the best flight between Sydney and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sydney to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sydney to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

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