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Cheap flights from Sydney to London from £316

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 4/11. 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

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Turkish Airlines Logo
21:15 - 09:55SYD-LHR
47h 40m2 stops
Turkish Airlines Logo
11:30 - 19:20LHR-SYD
44h 50m2 stops
£674Turkish Airlines
Find Deal
Tue, 25 Nov - Sun, 30 Nov
Turkish Airlines Logo
21:15 - 14:55SYD-LHR
28h 40m2 stops
Turkish Airlines Logo
17:45 - 19:20LHR-SYD
38h 35m2 stops
£675Turkish Airlines
Find Deal
Fri, 14 Nov - Fri, 21 Nov
Air China Logo
20:40 - 15:55SYD-LHR
30h 15m1 stop
Air China Logo
22:10 - 15:30LHR-SYD
54h 20m2 stops
£676Air China
Find Deal
Sun, 16 Nov - Tue, 2 Dec
China Eastern Logo
21:30 - 17:30SYD-LHR
31h 00m1 stop
China Eastern Logo
21:20 - 10:00LHR-SYD
26h 40m1 stop
£678China Eastern
Find Deal
Tue, 3 Mar - Tue, 31 Mar
China Eastern Logo
21:30 - 17:30SYD-LHR
31h 00m1 stop
China Eastern Logo
21:20 - 12:35LHR-SYD
30h 15m1 stop
£683China Eastern
Find Deal
Fri, 13 Feb - Fri, 8 May
China Southern Logo
22:10 - 18:35SYD-LHR
31h 25m1 stop
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
£686China Southern
Find Deal
Fri, 14 Nov - Sat, 29 Nov
Air China Logo
20:40 - 15:55SYD-LHR
30h 15m1 stop
Air China Logo
22:10 - 15:30LHR-SYD
30h 20m2 stops
£687Air China
Find Deal
Tue, 3 Feb - Tue, 10 Mar
China Southern Logo
22:10 - 18:35SYD-LHR
31h 25m1 stop
China Southern Logo
22:00 - 20:20LHR-SYD
35h 20m1 stop
£690China Southern
Find Deal
Mon, 17 Nov - Wed, 26 Nov
Etihad Airways Logo
21:30 - 12:05SYD-LHR
25h 35m1 stop
Etihad Airways Logo
20:55 - 06:35LHR-SYD
22h 40m1 stop
£698Etihad Airways
Find Deal
Tue, 3 Feb - Wed, 25 Feb
Etihad Airways Logo
21:30 - 12:05SYD-LHR
25h 35m1 stop
Etihad Airways Logo
08:50 - 17:55LHR-SYD
22h 05m1 stop
£701Etihad Airways
Find Deal
Thu, 12 Mar - Fri, 20 Mar

Turkish Airlines flights from Sydney to London Heathrow Airport

Our best Turkish Airlines deals on Sydney to London Heathrow Airport flight tickets
Turkish Airlines
25 Nov
SYD21:15Sydney Kingsford Smith
47h 40m
2 stops
LHR09:55London Heathrow
30 Nov
LHR11:30London Heathrow
44h 50m
2 stops
SYD19:20Sydney Kingsford Smith
£674
Find similar
Turkish Airlines
14 Nov
SYD21:15Sydney Kingsford Smith
28h 40m
2 stops
LHR14:55London Heathrow
21 Nov
LHR17:45London Heathrow
38h 35m
2 stops
SYD19:20Sydney Kingsford Smith
£675
Find similar
Turkish Airlines
12 Nov
SYD21:15Sydney Kingsford Smith
27h 55m
2 stops
LHR14:10London Heathrow
19 Nov
LHR11:30London Heathrow
44h 50m
2 stops
SYD19:20Sydney Kingsford Smith
£675
Find similar

Air China flights from Sydney to London Heathrow Airport

Our best Air China deals on Sydney to London Heathrow Airport flight tickets
Air China
16 Nov
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow
2 Dec
LHR22:10London Heathrow
54h 20m
2 stops
SYD15:30Sydney Kingsford Smith
£676
Find similar
Air China
21 Oct
SYD20:40Sydney Kingsford Smith
33h 50m
1 stop
LHR20:30London Heathrow
4 Nov
LHR22:10London Heathrow
30h 20m
2 stops
SYD15:30Sydney Kingsford Smith
£686
Find similar
Air China
3 Feb
SYD20:40Sydney Kingsford Smith
30h 15m
1 stop
LHR15:55London Heathrow
10 Mar
LHR22:10London Heathrow
30h 20m
2 stops
SYD15:30Sydney Kingsford Smith
£687
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 17 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

Tue 25/11

21:15-09:55

2 stops47h 40m

London Heathrow

Sun 30/11

11:30-19:20

2 stops44h 50m

£674

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 14/11

21:15-14:55

2 stops28h 40m

London Heathrow

Fri 21/11

17:45-19:20

2 stops38h 35m

£675

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 16/11

20:40-15:55

1 stop30h 15m

London Heathrow

Tue 2/12

22:10-15:30

2 stops54h 20m

£676

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 3/3

21:30-17:30

1 stop31h 00m

London Heathrow

Tue 31/3

21:20-10:00

1 stop26h 40m

£678

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 13/2

21:30-17:30

1 stop31h 00m

London Heathrow

Fri 8/5

21:20-12:35

1 stop30h 15m

£683

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 14/11

22:10-18:35

1 stop31h 25m

London Heathrow

Sat 29/11

22:00-20:20

1 stop35h 20m

£686

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 3/2

20:40-15:55

1 stop30h 15m

London Heathrow

Tue 10/3

22:10-15:30

2 stops30h 20m

£687

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 17/11

22:10-18:35

1 stop31h 25m

London Heathrow

Wed 26/11

22:00-20:20

1 stop35h 20m

£690

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 3/2

21:30-12:05

1 stop25h 35m

London Heathrow

Wed 25/2

20:55-06:35

1 stop22h 40m

£698

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 12/3

21:30-12:05

1 stop25h 35m

London Heathrow

Fri 20/3

08:50-17:55

1 stop22h 05m

£701

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, October 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 £789. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Sydney averaging around £803.

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 £1,090. 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 £1,458.

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 £948. 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 £1,395 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 £969 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 £887 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 2% 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

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 25h 35m 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 £604Free CancellationRating
7.4
116 reviews
Search China Southern flights
Air ChinaPriceFrom £669Free CancellationRating
7.2
114 reviews
Search Air China flights
China EasternPriceFrom £679Free CancellationRating
7.2
172 reviews
Search China Eastern flights
Air IndiaPriceFrom £688Free CancellationRating
5.5
2,937 reviews
Search Air India flights
Etihad AirwaysPriceFrom £727Free CancellationRating
7.4
1,281 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £730Free CancellationRating
7.3
4,015 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom £744Free CancellationRating
7.6
1,028 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom £753Free CancellationRating
7.4
3,652 reviews
Search Qatar Airways flights
Malaysia AirlinesPriceFrom £778Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom £788Free CancellationRating
8.1
1,382 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 £1,263 round-trip, up to an average price of £1,566. 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
Milton Keynes
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Southend-on-Sea
Ipswich
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Poole
Swanage
Colchester
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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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