฿20,445 Cheap Flights from London (LHR) to Sydney (SYD)

View ฿20,445 flight on Sun, 28 Jun 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 ฿20,445 for one-way flights and ฿34,405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Mon, 16 Nov - Mon, 23 Nov
LHR
London
SYD
Sydney
฿34,405 Return, found 3 days ago
฿34,405
Return
found 3 days ago
Select China Southern Airlines flight, departing Mon, 16 Nov from London to Sydney, returning Mon, 23 Nov, priced at ฿34,405 found 3 days ago
Air China
Tue, 17 Nov - Fri, 4 Dec
LHR
London
SYD
Sydney
฿37,250 Return, found 3 days ago
฿37,250
Return
found 3 days ago
Select Air China flight, departing Tue, 17 Nov from London to Sydney, returning Fri, 4 Dec, priced at ฿37,250 found 3 days ago
Etihad Airways
Mon, 22 Jun - Mon, 6 Jul
LHR
London
SYD
Sydney
฿42,095 Return, found 4 days ago
฿42,095
Return
found 4 days ago
Select Etihad Airways flight, departing Mon, 22 Jun from London to Sydney, returning Mon, 6 Jul, priced at ฿42,095 found 4 days ago
Swiss International Air Lines
Sun, 15 Nov - Wed, 18 Nov
LHR
London
SYD
Sydney
฿44,025 Return, found 3 days ago
฿44,025
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, 15 Nov from London to Sydney, returning Wed, 18 Nov, priced at ฿44,025 found 3 days ago
American Airlines
Mon, 16 Nov - Thu, 19 Nov
LHR
London
SYD
Sydney
฿44,485 Return, found 3 days ago
฿44,485
Return
found 3 days ago
Select American Airlines flight, departing Mon, 16 Nov from London to Sydney, returning Thu, 19 Nov, priced at ฿44,485 found 3 days ago
Air India
Sun, 15 Nov - Wed, 18 Nov
LHR
London
SYD
Sydney
฿44,530 Return, found 3 days ago
฿44,530
Return
found 3 days ago
Select Air India flight, departing Sun, 15 Nov from London to Sydney, returning Wed, 18 Nov, priced at ฿44,530 found 3 days ago
Lufthansa
Sun, 15 Nov - Wed, 18 Nov
LHR
London
SYD
Sydney
฿45,370 Return, found 3 days ago
฿45,370
Return
found 3 days ago
Select Lufthansa flight, departing Sun, 15 Nov from London to Sydney, returning Wed, 18 Nov, priced at ฿45,370 found 3 days ago
Malaysia Airlines
Fri, 13 Nov - Fri, 4 Dec
LHR
London
SYD
Sydney
฿46,340 Return, found 3 days ago
฿46,340
Return
found 3 days ago
Select Malaysia Airlines flight, departing Fri, 13 Nov from London to Sydney, returning Fri, 4 Dec, priced at ฿46,340 found 3 days ago
Turkish Airlines
Thu, 4 Jun - Fri, 10 Jul
LHR
London
SYD
Sydney
฿47,920 Return, found 4 days ago
฿47,920
Return
found 4 days ago
Select Turkish Airlines flight, departing Thu, 4 Jun from London to Sydney, returning Fri, 10 Jul, priced at ฿47,920 found 4 days ago
Emirates
Mon, 22 Jun - Mon, 6 Jul
LHR
London
SYD
Sydney
฿48,025 Return, found 4 days ago
฿48,025
Return
found 4 days ago
Select Emirates flight, departing Mon, 22 Jun from London to Sydney, returning Mon, 6 Jul, priced at ฿48,025 found 4 days ago

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 ฿34,405. 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, All Nippon Airways, American Airlines, Asiana Airlines, Austrian Airlines, British Airways, Cathay Pacific, Delta, Emirates, Etihad Airways, Japan Airlines, KLM, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, United
Return price
฿34,405
Distance
16918 km
Average flight time
32 hours 12 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 ฿20,445 and roundtrip prices from ฿34,405. 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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