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Cheap flights from Sydney to London from £345

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 16/1. 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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China Airlines Logo
22:10 - 16:30
SYD
-
LHR
27h 20m1 stop
China Airlines Logo
21:10 - 10:45
LHR
-
SYD
28h 35m1 stop
£809China Airlines
Sun, 19 Apr - Wed, 13 May
Multiple Airlines Logo
21:15 - 13:30
SYD
-
LHR
27h 15m2 stops
Multiple Airlines Logo
22:15 - 18:50
LHR
-
SYD
33h 35m2 stops
£809Multiple Airlines
Sun, 22 Feb - Sun, 8 Mar
China Southern Logo
10:05 - 19:00
SYD
-
LHR
41h 55m1 stop
China Southern Logo
22:10 - 12:35
LHR
-
SYD
29h 25m1 stop
£810China Southern
Tue, 21 Apr - Sun, 10 May
Multiple Airlines Logo
20:40 - 15:55
SYD
-
LHR
30h 15m1 stop
Multiple Airlines Logo
08:50 - 17:55
LHR
-
SYD
22h 05m1 stop
£811Multiple Airlines
Tue, 10 Feb - Mon, 23 Feb
China Southern Logo
22:00 - 18:35
SYD
-
LHR
31h 35m1 stop
China Southern Logo
22:10 - 08:25
LHR
-
SYD
25h 15m1 stop
£812China Southern
Thu, 26 Mar - Thu, 23 Apr
Turkish Airlines Logo
12:00 - 09:55
SYD
-
LHR
32h 55m2 stops
Turkish Airlines Logo
06:35 - 19:20
LHR
-
SYD
25h 45m2 stops
£813Turkish Airlines
Thu, 5 Feb - Thu, 12 Feb
Multiple Airlines Logo
20:30 - 18:40
SYD
-
LHR
31h 10m1 stop
Multiple Airlines Logo
22:10 - 08:25
LHR
-
SYD
25h 15m1 stop
£814Multiple Airlines
Wed, 22 Apr - Tue, 12 May
Multiple Airlines Logo
21:00 - 19:30
SYD
-
LHR
31h 30m1 stop
Multiple Airlines Logo
22:00 - 19:35
LHR
-
SYD
36h 35m3 stops
£814Multiple Airlines
Tue, 5 May - Mon, 25 May
China Southern Logo
15:15 - 19:00
SYD
-
LHR
37h 45m1 stop
China Southern Logo
22:10 - 08:25
LHR
-
SYD
25h 15m1 stop
£815China Southern
Wed, 1 Apr - Tue, 12 May
Multiple Airlines Logo
12:00 - 18:40
SYD
-
LHR
39h 40m2 stops
Multiple Airlines Logo
22:10 - 08:25
LHR
-
SYD
25h 15m1 stop
£816Multiple Airlines
Wed, 22 Apr - Tue, 12 May

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 Mar
SYD21:15Sydney Kingsford Smith
28h 50m
2 stops
LHR15:05London Heathrow
5 May
LHR06:30London Heathrow
27h 40m
2 stops
SYD19:10Sydney Kingsford Smith
£813
Turkish Airlines
11 May
SYD22:10Sydney Kingsford Smith
31h 50m
2 stops
LHR21:00London Heathrow
5 Jun
LHR22:35London Heathrow
35h 35m
2 stops
SYD19:10Sydney Kingsford Smith
£817
Turkish Airlines
7 Feb
SYD21:15Sydney Kingsford Smith
28h 40m
1 stop
LHR14:55London Heathrow
11 Feb
LHR19:55London Heathrow
36h 25m
1 stop
SYD19:20Sydney Kingsford Smith
£832

Vietnam Airlines flights from Sydney to London Heathrow Airport

Our best Vietnam Airlines deals on Sydney to London Heathrow Airport flight tickets
Vietnam Airlines
16 May
SYD14:15Sydney Kingsford Smith
36h 35m
1 stop
LHR17:50London Heathrow
17 Sept
LHR19:10London Heathrow
28h 05m
1 stop
SYD08:15Sydney Kingsford Smith
£826
Vietnam Airlines
5 May
SYD10:15Sydney Kingsford Smith
39h 40m
2 stops
LHR16:55London Heathrow
19 May
LHR19:50London Heathrow
27h 25m
1 stop
SYD08:15Sydney Kingsford Smith
£833
Vietnam Airlines
18 May
SYD10:15Sydney Kingsford Smith
40h 35m
1 stop
LHR17:50London Heathrow
16 Sept
LHR18:55London Heathrow
52h 20m
2 stops
SYD08:15Sydney Kingsford Smith
£844

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 9 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

Sun 19/4

22:10-16:30

1 stop27h 20m

London Heathrow

Wed 13/5

21:10-10:45

1 stop28h 35m

£809

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 22/2

21:15-13:30

2 stops27h 15m

London Heathrow

Sun 8/3

22:15-18:50

2 stops33h 35m

£809

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 21/4

10:05-19:00

1 stop41h 55m

London Heathrow

Sun 10/5

22:10-12:35

1 stop29h 25m

£810

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 10/2

20:40-15:55

1 stop30h 15m

London Heathrow

Mon 23/2

08:50-17:55

1 stop22h 05m

£811

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 26/3

22:00-18:35

1 stop31h 35m

London Heathrow

Thu 23/4

22:10-08:25

1 stop25h 15m

£812

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 5/2

12:00-09:55

2 stops32h 55m

London Heathrow

Thu 12/2

06:35-19:20

2 stops25h 45m

£813

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 22/4

20:30-18:40

1 stop31h 10m

London Heathrow

Tue 12/5

22:10-08:25

1 stop25h 15m

£814

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/5

21:00-19:30

1 stop31h 30m

London Heathrow

Mon 25/5

22:00-19:35

3 stops36h 35m

£814

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 1/4

15:15-19:00

1 stop37h 45m

London Heathrow

Tue 12/5

22:10-08:25

1 stop25h 15m

£815

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 22/4

12:00-18:40

2 stops39h 40m

London Heathrow

Tue 12/5

22:10-08:25

1 stop25h 15m

£816

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?

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 £780. 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 £1,457.

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 £1,078. 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 £957 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 £890 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 31% 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 20% 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 00m

Direct flights

Every day
The fastest flight from Sydney to London Heathrow Airport takes 24h 00m
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 00m 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 £592Free CancellationRating
7.4
128 reviews
Search China Southern flights
China EasternPriceFrom £628Free CancellationRating
7.2
187 reviews
Search China Eastern flights
Air ChinaPriceFrom £664Free CancellationRating
7.2
136 reviews
Search Air China flights
Air IndiaPriceFrom £687Free CancellationRating
5.5
2,974 reviews
Search Air India flights
Etihad AirwaysPriceFrom £726Free CancellationRating
7.3
1,361 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £739Free CancellationRating
7.3
4,154 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom £753Free CancellationRating
7.4
3,702 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom £761Free CancellationRating
7.6
1,126 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom £777Free CancellationRating
7.3
289 reviews
Search Malaysia Airlines flights
Singapore AirlinesPriceFrom £787Free CancellationRating
8.1
1,429 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 £939 round-trip, up to an average price of £1,187. 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
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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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