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Cheap flights from Sydney to London from £271

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 31/1. 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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Multiple Airlines Logo
21:45 - 12:05
SYD
-
LHR
25h 20m
1 stop
Multiple Airlines Logo
21:30 - 07:30
LHR
-
SYD
47h 00m
2 stops
£703Multiple Airlines
Mon, 16 Feb - Mon, 2 Mar
Turkish Airlines Logo
21:15 - 14:10
SYD
-
LHR
27h 55m
2 stops
Turkish Airlines Logo
17:45 - 19:20
LHR
-
SYD
38h 35m
2 stops
£706Turkish Airlines
Wed, 4 Feb - Mon, 9 Feb
China Eastern Logo
20:30 - 18:40
SYD
-
LHR
31h 10m
1 stop
China Eastern Logo
21:20 - 07:40
LHR
-
SYD
49h 20m
2 stops
£712China Eastern
Fri, 15 May - Mon, 15 Jun
Multiple Airlines Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
Multiple Airlines Logo
19:00 - 18:50
LHR
-
SYD
36h 50m
2 stops
£713Multiple Airlines
Mon, 2 Feb - Sun, 22 Mar
China Eastern Logo
10:05 - 18:40
SYD
-
LHR
41h 35m
3 stops
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
3 stops
£714China Eastern
Fri, 12 Jun - Tue, 23 Jun
Turkish Airlines Logo
21:15 - 13:30
SYD
-
LHR
27h 15m
2 stops
Turkish Airlines Logo
06:35 - 19:20
LHR
-
SYD
25h 45m
2 stops
£715Turkish Airlines
Sun, 1 Feb - Fri, 27 Feb
China Eastern Logo
11:20 - 18:40
SYD
-
LHR
40h 20m
2 stops
China Eastern Logo
21:20 - 08:00
LHR
-
SYD
49h 40m
3 stops
£715China Eastern
Thu, 21 May - Tue, 2 Jun
Multiple Airlines Logo
21:30 - 17:30
SYD
-
LHR
31h 00m
1 stop
Multiple Airlines Logo
20:55 - 06:35
LHR
-
SYD
22h 40m
1 stop
£717Multiple Airlines
Thu, 5 Feb - Sun, 22 Mar
Turkish Airlines Logo
21:15 - 14:55
SYD
-
LHR
28h 40m
2 stops
Turkish Airlines Logo
22:35 - 19:20
LHR
-
SYD
33h 45m
2 stops
£718Turkish Airlines
Wed, 4 Feb - Wed, 25 Mar
Turkish Airlines Logo
21:15 - 14:55
SYD
-
LHR
28h 40m
2 stops
Turkish Airlines Logo
18:00 - 19:20
LHR
-
SYD
38h 20m
2 stops
£719Turkish Airlines
Wed, 25 Feb - Mon, 9 Mar

China Eastern flights from Sydney to London Heathrow Airport

Our best China Eastern deals on Sydney to London Heathrow Airport flight tickets
China Eastern
15 May
SYD20:30Sydney Kingsford Smith
31h 10m
1 stop
LHR18:40London Heathrow
15 Jun
LHR21:20London Heathrow
49h 20m
2 stops
SYD07:40Sydney Kingsford Smith
£712
China Eastern
12 Jun
SYD10:05Sydney Kingsford Smith
41h 35m
3 stops
LHR18:40London Heathrow
23 Jun
LHR21:20London Heathrow
49h 40m
3 stops
SYD08:00Sydney Kingsford Smith
£714
China Eastern
21 May
SYD11:20Sydney Kingsford Smith
40h 20m
2 stops
LHR18:40London Heathrow
2 Jun
LHR21:20London Heathrow
49h 40m
3 stops
SYD08:00Sydney Kingsford Smith
£715

China Southern flights from Sydney to London Heathrow Airport

Our best China Southern deals on Sydney to London Heathrow Airport flight tickets
China Southern
1 Feb
SYD08:10Sydney Kingsford Smith
43h 50m
1 stop
LHR17:00London Heathrow
25 Feb
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney Kingsford Smith
£726
China Southern
1 Feb
SYD15:15Sydney Kingsford Smith
38h 20m
1 stop
LHR18:35London Heathrow
22 Mar
LHR22:00London Heathrow
35h 20m
1 stop
SYD20:20Sydney Kingsford Smith
£728
China Southern
1 Feb
SYD08:10Sydney Kingsford Smith
43h 50m
1 stop
LHR17:00London Heathrow
2 Mar
LHR21:30London Heathrow
35h 50m
2 stops
SYD20:20Sydney Kingsford Smith
£738

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 21 January 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

Mon 16/2

21:45-12:05

1 stop25h 20m

London Heathrow

Mon 2/3

21:30-07:30

2 stops47h 00m

£703

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 4/2

21:15-14:10

2 stops27h 55m

London Heathrow

Mon 9/2

17:45-19:20

2 stops38h 35m

£706

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 15/5

20:30-18:40

1 stop31h 10m

London Heathrow

Mon 15/6

21:20-07:40

2 stops49h 20m

£712

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/2

21:30-17:30

1 stop31h 00m

London Heathrow

Sun 22/3

19:00-18:50

2 stops36h 50m

£713

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 12/6

10:05-18:40

3 stops41h 35m

London Heathrow

Tue 23/6

21:20-08:00

3 stops49h 40m

£714

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 1/2

21:15-13:30

2 stops27h 15m

London Heathrow

Fri 27/2

06:35-19:20

2 stops25h 45m

£715

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 21/5

11:20-18:40

2 stops40h 20m

London Heathrow

Tue 2/6

21:20-08:00

3 stops49h 40m

£715

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/2

21:30-17:30

1 stop31h 00m

London Heathrow

Sun 22/3

20:55-06:35

1 stop22h 40m

£717

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 4/2

21:15-14:55

2 stops28h 40m

London Heathrow

Wed 25/3

22:35-19:20

2 stops33h 45m

£718

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 25/2

21:15-14:55

2 stops28h 40m

London Heathrow

Mon 9/3

18:00-19:20

2 stops38h 20m

£719

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £781. 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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £1,040. 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 £1,456.

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 at midday. momondo users have found flights departing from Sydney to London Heathrow Airport at midday for as low as £1,087. 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 £1,398 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 £959 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 £898 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 46% 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 January 2026, prices for Sydney to London Heathrow Airport flights are approximately 12% more expensive 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

24h 50m

Direct flights

Every day
The fastest flight from Sydney to London Heathrow Airport takes 24h 50m
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?

    A flight from Sydney Kingsford Smith to London Heathrow will travel around 10566.1 mi. Typically, this will take 24h 50m 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 £623Free CancellationRating
7.3
133 reviews
Search China Southern flights
China EasternPriceFrom £628Free CancellationRating
7.2
190 reviews
Search China Eastern flights
Air ChinaPriceFrom £664Free CancellationRating
7.2
138 reviews
Search Air China flights
Air IndiaPriceFrom £687Free CancellationRating
5.5
2,978 reviews
Search Air India flights
Etihad AirwaysPriceFrom £715Free CancellationRating
7.3
1,374 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom £752Free CancellationRating
7.4
3,719 reviews
Search Qatar Airways flights
Malaysia AirlinesPriceFrom £777Free CancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom £787Free CancellationRating
8.1
1,434 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom £797Free CancellationRating
7.6
1,140 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom £814Free CancellationRating
7.3
4,197 reviews
Search Turkish 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 £960 round-trip, up to an average price of £1,252. Our users have rated Qantas Airways at 7.5/10.

Travelling to a place near London?

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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.

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