฿16,510 Cheap Flights from London (LHR) to Sydney (SYD)

View ฿16,510 flight on Tue, 10 Mar 2026Opens in a new window

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 ฿16,510 for one-way flights and ฿28,925 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, 9 Mar - Tue, 24 Mar
LHR
London
SYD
Sydney
฿28,925 Return, found 19 hours ago
฿28,925
Return
found 19 hours ago
Select China Eastern Airlines flight, departing Mon, 9 Mar from London to Sydney, returning Tue, 24 Mar, priced at ฿28,925 found 19 hours ago
China Southern Airlines
Tue, 3 Mar - Thu, 12 Mar
LHR
London
SYD
Sydney
฿29,205 Return, found 4 days ago
฿29,205
Return
found 4 days ago
Select China Southern Airlines flight, departing Tue, 3 Mar from London to Sydney, returning Thu, 12 Mar, priced at ฿29,205 found 4 days ago
Air India
Tue, 19 May - Tue, 2 Jun
LHR
London
SYD
Sydney
฿30,225 Return, found 5 days ago
฿30,225
Return
found 5 days ago
Select Air India flight, departing Tue, 19 May from London to Sydney, returning Tue, 2 Jun, priced at ฿30,225 found 5 days ago
Etihad Airways
Mon, 13 Apr - Tue, 28 Apr
LHR
London
SYD
Sydney
฿39,045 Return, found 1 day ago
฿39,045
Return
found 1 day ago
Select Etihad Airways flight, departing Mon, 13 Apr from London to Sydney, returning Tue, 28 Apr, priced at ฿39,045 found 1 day ago
Malaysia Airlines
Mon, 13 Apr - Tue, 28 Apr
LHR
London
SYD
Sydney
฿39,505 Return, found 1 day ago
฿39,505
Return
found 1 day ago
Select Malaysia Airlines flight, departing Mon, 13 Apr from London to Sydney, returning Tue, 28 Apr, priced at ฿39,505 found 1 day ago
United
Mon, 9 Mar - Tue, 24 Mar
LHR
London
SYD
Sydney
฿40,735 Return, found 19 hours ago
฿40,735
Return
found 19 hours ago
Select United flight, departing Mon, 9 Mar from London to Sydney, returning Tue, 24 Mar, priced at ฿40,735 found 19 hours ago
China Airlines
Wed, 9 Dec - Mon, 21 Dec
LHR
London
SYD
Sydney
฿41,230 Return, found 2 days ago
฿41,230
Return
found 2 days ago
Select China Airlines flight, departing Wed, 9 Dec from London to Sydney, returning Mon, 21 Dec, priced at ฿41,230 found 2 days ago
American Airlines
Mon, 9 Mar - Tue, 24 Mar
LHR
London
SYD
Sydney
฿41,475 Return, found 19 hours ago
฿41,475
Return
found 19 hours ago
Select American Airlines flight, departing Mon, 9 Mar from London to Sydney, returning Tue, 24 Mar, priced at ฿41,475 found 19 hours ago
Lufthansa
Sat, 16 May - Sun, 7 Jun
LHR
London
SYD
Sydney
฿41,520 Return, found 5 days ago
฿41,520
Return
found 5 days ago
Select Lufthansa flight, departing Sat, 16 May from London to Sydney, returning Sun, 7 Jun, priced at ฿41,520 found 5 days ago
Qatar Airways
Mon, 9 Mar - Tue, 24 Mar
LHR
London
SYD
Sydney
฿41,575 Return, found 19 hours ago
฿41,575
Return
found 19 hours ago
Select Qatar Airways flight, departing Mon, 9 Mar from London to Sydney, returning Tue, 24 Mar, priced at ฿41,575 found 19 hours ago

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city centre is 16 minutes. Flights from ฿30,320
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from ฿30,320

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

March is typically the cheapest month to fly

From ฿23,457 - ฿40,589 per traveller.

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 ฿28,925. 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.

Travel information

Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air France, Air India, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, China Southern Airlines, Delta, Emirates, Etihad Airways, Gulf Air, Japan Airlines, KLM, Lufthansa, Malaysia Airlines, Qantas Airways, Singapore Airlines, Thai Airways International, United
Return price
฿28,925
Distance
16918 km
Average flight time
34 hours 10 mins

Book with confidence

Perfect flights from London to Sydney

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Sydney. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Kingsford Smith Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿16,510 and roundtrip prices from ฿28,925. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kingsford Smith Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Sydney.
Perfect flights from London to Sydney
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