CA $734 Cheap Flights from London (LHR) to Sydney (SYD)

Popular airlines from Heathrow Airport (LHR) to Sydney Airport (SYD)

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

Prices were available within the past 7 days and start at CA $734 for one-way flights and CA $1,008 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
China Eastern Airlines
Air China
Cathay Pacific
Singapore Airlines
Air India
Etihad Airways
Malaysia Airlines
China Airlines
United

Find the cheapest month to fly from London (LHR) to Sydney (SYD)

March is typically the cheapest month to fly

From CA $1,000 - CA $1,932 per traveller.

Graph displaying average flight prices per month

Flight from London to Sydney (LHR - SYD) route information
Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air China, Air India, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Japan Airlines, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, United, Vietnam Airlines
Roundtrip price
CA $1,008
Distance
16918 km
Average flight time
32 hours 10 mins

London to Sydney Flights

The easy way to book your flights from London to Sydney 

With Expedia, it’s simple to find and book flights to Sydney from London whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Qantas, Iberia, British Airways nonstop flights to Kingsford Smith Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from London to Sydney today, tomorrow, or this week.  

 

Save dollars with cheap flights from Heathrow, LHR to Kingsford Smith Intl., SYD 

Sort your search results by price to find great deals on your flight from London to Sydney—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sydney from London currently is just CA $1,008 rising to CA $1,779.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Sydney  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Sydney from London 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sydney with Expedia today.

Frequently asked questions

How much is a flight from London Heathrow to Mascot Airport?
Round-trip journeys from Heathrow Airport (LHR) to Sydney Airport start from CA $1,008. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. 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 (LHR) to SYD?
The majority of flights can be cancelled online, but whether or not you incur a fee varies between airlines. If you do need to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from London Heathrow to Kingsford Smith Intl. Airport (SYD) that have flexible change policies?
Many airlines will allow you to move your flight at no extra charge. All you pay is the fare difference. When searching for LHR to Kingsford Smith Intl. Airport (SYD) flights, you'll see a "No change fees" box for you to pick.
How many hours is the flight from LHR to SYD?
To comfortably while away the 22 hours and 28 minutes flight time between London Heathrow and Sydney Airport, it's wise to be prepared. A laptop filled with your favourite songs is a great start.
How far is the flight from London Heathrow to SYD?
With a flight distance of 17,000 kilometres from Heathrow Airport (LHR) (LHR) to Mascot Airport (SYD), this is a long-haul flight. Ensure that you drink lots of water and move your feet and legs every now and then.
Which airlines fly direct from Heathrow Airport (LHR) to SYD?
You won't find any airlines operating directly between London Heathrow and Sydney Airport, so be ready to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are London Heathrow to Mascot Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from London Heathrow to Mascot Airport can be hit-or-miss. You may be able to score a bargain, but you could also completely miss out! If you'd rather play it safe and start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines publish their prices so far in advance. Our suggestion? Check back often as updates are made frequently.

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