฿19,005 Cheap Flights from London (LHR) to Sydney (SYD)

View ฿19,005 flight on Tue, 19 May 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 ฿19,005 for one-way flights and ฿32,980 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Thu, 16 Oct - Thu, 23 Oct
LHR
London
SYD
Sydney
฿32,980 Return, found 3 days ago
฿32,980
Return
found 3 days ago
Select China Southern Airlines flight, departing Thu, 16 Oct from London to Sydney, returning Thu, 23 Oct, priced at ฿32,980 found 3 days ago
Air India
Mon, 8 Sep - Sun, 14 Sep
LHR
London
SYD
Sydney
฿39,815 Return, found 2 days ago
฿39,815
Return
found 2 days ago
Select Air India flight, departing Mon, 8 Sep from London to Sydney, returning Sun, 14 Sep, priced at ฿39,815 found 2 days ago
Cathay Pacific
Sat, 8 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿40,405 Return, found 1 hour ago
฿40,405
Return
found 1 hour ago
Select Cathay Pacific flight, departing Sat, 8 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿40,405 found 1 hour ago
Lufthansa
Sat, 8 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿41,255 Return, found 1 hour ago
฿41,255
Return
found 1 hour ago
Select Lufthansa flight, departing Sat, 8 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿41,255 found 1 hour ago
China Airlines
Sat, 8 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿41,395 Return, found 1 hour ago
฿41,395
Return
found 1 hour ago
Select China Airlines flight, departing Sat, 8 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿41,395 found 1 hour ago
United
Sat, 8 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿41,610 Return, found 1 hour ago
฿41,610
Return
found 1 hour ago
Select United flight, departing Sat, 8 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿41,610 found 1 hour ago
Vietnam Airlines
Sat, 8 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿41,635 Return, found 1 hour ago
฿41,635
Return
found 1 hour ago
Select Vietnam Airlines flight, departing Sat, 8 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿41,635 found 1 hour ago
American Airlines
Sat, 8 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿41,680 Return, found 1 hour ago
฿41,680
Return
found 1 hour ago
Select American Airlines flight, departing Sat, 8 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿41,680 found 1 hour ago
Swiss International Air Lines
Sun, 9 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿41,935 Return, found 3 days ago
฿41,935
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, 9 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿41,935 found 3 days ago
Malaysia Airlines
Sat, 8 Nov - Sun, 16 Nov
LHR
London
SYD
Sydney
฿42,125 Return, found 1 hour ago
฿42,125
Return
found 1 hour ago
Select Malaysia Airlines flight, departing Sat, 8 Nov from London to Sydney, returning Sun, 16 Nov, priced at ฿42,125 found 1 hour ago

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

March is typically the cheapest month to fly

From ฿23,555 - ฿45,494 per traveller.

Graph displaying average flight prices per month

Flight from London to Sydney route information
Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Return price
฿32,980
Distance
16918 km
Average flight time
32 hours 10 mins

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 ฿19,005 and roundtrip prices from ฿32,980. 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.

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 ฿32,980. 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.

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