£436 Cheap Flights from London (LHR) to Sydney (SYD)

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Cheap Flights from London (LHR) to Sydney (SYD)

Prices were available within the past 7 days and start at £436 for one-way flights and £712 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, 17 Jun - Thu, 4 Jul
LHR
London
SYD
Sydney
£712 Return, just found
£712
Return
just found
Select China Eastern Airlines flight, departing Mon, 17 Jun from London to Sydney, returning Thu, 4 Jul, priced at £712 just found
Hainan Airlines
Mon, 6 May - Tue, 14 May
LHR
London
SYD
Sydney
£741 Return, found 3 hours ago
£741
Return
found 3 hours ago
Select Hainan Airlines flight, departing Mon, 6 May from London to Sydney, returning Tue, 14 May, priced at £741 found 3 hours ago
Swiss International Air Lines
Wed, 8 May - Wed, 22 May
LHR
London
SYD
Sydney
£764 Return, found 1 hour ago
£764
Return
found 1 hour ago
Select Swiss International Air Lines flight, departing Wed, 8 May from London to Sydney, returning Wed, 22 May, priced at £764 found 1 hour ago
Lufthansa
Tue, 12 Nov - Tue, 26 Nov
LHR
London
SYD
Sydney
£789 Return, found 9 hours ago
£789
Return
found 9 hours ago
Select Lufthansa flight, departing Tue, 12 Nov from London to Sydney, returning Tue, 26 Nov, priced at £789 found 9 hours ago
China Southern Airlines
Sat, 26 Oct - Mon, 11 Nov
LHR
London
SYD
Sydney
£789 Return, just found
£789
Return
just found
Select China Southern Airlines flight, departing Sat, 26 Oct from London to Sydney, returning Mon, 11 Nov, priced at £789 just found
Air India
Wed, 28 Aug - Tue, 17 Sep
LHR
London
SYD
Sydney
£789 Return, found 2 days ago
£789
Return
found 2 days ago
Select Air India flight, departing Wed, 28 Aug from London to Sydney, returning Tue, 17 Sep, priced at £789 found 2 days ago
Air China
Tue, 11 Jun - Thu, 4 Jul
LHR
London
SYD
Sydney
£802 Return, found 1 day ago
£802
Return
found 1 day ago
Select Air China flight, departing Tue, 11 Jun from London to Sydney, returning Thu, 4 Jul, priced at £802 found 1 day ago
China Airlines
Tue, 1 Oct - Tue, 29 Oct
LHR
London
SYD
Sydney
£812 Return, just found
£812
Return
just found
Select China Airlines flight, departing Tue, 1 Oct from London to Sydney, returning Tue, 29 Oct, priced at £812 just found
Vietnam Airlines
Sat, 11 May - Wed, 19 Jun
LHR
London
SYD
Sydney
£852 Return, just found
£852
Return
just found
Select Vietnam Airlines flight, departing Sat, 11 May from London to Sydney, returning Wed, 19 Jun, priced at £852 just found
Etihad Airways
Mon, 6 May - Mon, 20 May
LHR
London
SYD
Sydney
£884 Return, found 1 hour ago
£884
Return
found 1 hour ago
Select Etihad Airways flight, departing Mon, 6 May from London to Sydney, returning Mon, 20 May, priced at £884 found 1 hour ago
Flight from London to Sydney route information
Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air France, Air India, All Nippon Airways, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Southern Airlines, Emirates, Etihad Airways, Japan Airlines, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, Virgin Atlantic
Return price
£712
Distance
16918 km
Average flight time
32 hours 12 mins

Compare flights from London to Sydney easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Sydney. Operating between them 3 flights per day, 20 airlines cover the route. And Qantas, Iberia, British Airways fly direct, getting you to Kingsford Smith Intl. in just 23hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Kingsford Smith Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Kingsford Smith Intl. (SYD) 

The easiest way to view the best deals on flights from London to Sydney today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Kingsford Smith Intl. start at just £712 and range up to £884.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Sydney
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Sydney flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Kingsford Smith Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to SYD?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from London Heathrow to Sydney Airport was £712. Cheap tickets don’t stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to SYD?
This differs between air carriers, as each one has its own terms and conditions. Head to the Customer Service Portal, where you’ll find easy instructions on how to cancel online.
How do I find cheap flights from Heathrow Airport to Kingsford Smith Intl. Airport (SYD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for London Heathrow to SYD flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from LHR to Kingsford Smith Intl. Airport (SYD)?
Hounslow to Sydney is around 17,000 kilometres, so be prepared to spend quite a while in the air. Don’t forget to pack all the essentials, from your hoodie to your headphones. Take a couple of snacks to munch on throughout your journey too.
Which airlines fly direct from Heathrow Airport (LHR) to SYD?
Unfortunately, there are no airlines that fly directly between London Heathrow and Kingsford Smith Intl. Airport (SYD). You’ll have to book a flight with at least one stop.
Are LHR to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute deals between Heathrow Airport and Sydney Airport are of course possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers announce their prices up to 12 months before the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking and be ready to pounce when the price dips.
London Airports

London

Gatwick to Sydney
£603.28
Stansted to Sydney
£1,147.17
*Available to Expedia members.