S$730 Cheap Flights from London to Sydney

View S$730 flight on Tue, 23 Sep, 2025Opens in a new window

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

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Cheap Flights from London to Sydney (LHR-SYD)

Prices were available within the past 7 days and start at S$730 for one-way flights and S$1,382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, 3 Nov - Thu, 6 Nov
LHR
London
SYD
Sydney
S$1,382 Return, found 13 hours ago
S$1,382
Return
found 13 hours ago
Select China Eastern Airlines flight, departing Mon, 3 Nov from London to Sydney, returning Thu, 6 Nov, priced at S$1,382 found 13 hours ago
Air India
Mon, 1 Sep - Tue, 16 Sep
LHR
London
SYD
Sydney
S$1,415 Return, found 6 days ago
S$1,415
Return
found 6 days ago
Select Air India flight, departing Mon, 1 Sep from London to Sydney, returning Tue, 16 Sep, priced at S$1,415 found 6 days ago
China Southern Airlines
Tue, 30 Dec - Thu, 22 Jan
LHR
London
SYD
Sydney
S$1,416 Return, found 10 hours ago
S$1,416
Return
found 10 hours ago
Select China Southern Airlines flight, departing Tue, 30 Dec from London to Sydney, returning Thu, 22 Jan, priced at S$1,416 found 10 hours ago
Swiss International Air Lines
Mon, 3 Nov - Thu, 6 Nov
LHR
London
SYD
Sydney
S$1,554 Return, found 13 hours ago
S$1,554
Return
found 13 hours ago
Select Swiss International Air Lines flight, departing Mon, 3 Nov from London to Sydney, returning Thu, 6 Nov, priced at S$1,554 found 13 hours ago
SriLankan Airlines
Wed, 10 Sep - Sun, 14 Sep
LHR
London
SYD
Sydney
S$1,575 Return, found 2 days ago
S$1,575
Return
found 2 days ago
Select SriLankan Airlines flight, departing Wed, 10 Sep from London to Sydney, returning Sun, 14 Sep, priced at S$1,575 found 2 days ago
Vietnam Airlines
Thu, 21 Aug - Mon, 15 Sep
LHR
London
SYD
Sydney
S$1,577 Return, found 2 days ago
S$1,577
Return
found 2 days ago
Select Vietnam Airlines flight, departing Thu, 21 Aug from London to Sydney, returning Mon, 15 Sep, priced at S$1,577 found 2 days ago
Lufthansa
Mon, 3 Nov - Thu, 6 Nov
LHR
London
SYD
Sydney
S$1,604 Return, found 13 hours ago
S$1,604
Return
found 13 hours ago
Select Lufthansa flight, departing Mon, 3 Nov from London to Sydney, returning Thu, 6 Nov, priced at S$1,604 found 13 hours ago
Austrian Airlines
Wed, 24 Sep - Sat, 4 Oct
LHR
London
SYD
Sydney
S$1,623 Return, found 5 days ago
S$1,623
Return
found 5 days ago
Select Austrian Airlines flight, departing Wed, 24 Sep from London to Sydney, returning Sat, 4 Oct, priced at S$1,623 found 5 days ago
Singapore Airlines
Wed, 8 Apr - Fri, 24 Apr
LHR
London
SYD
Sydney
S$1,671 Return, found 3 days ago
S$1,671
Return
found 3 days ago
Select Singapore Airlines flight, departing Wed, 8 Apr from London to Sydney, returning Fri, 24 Apr, priced at S$1,671 found 3 days ago
American Airlines
Fri, 14 Nov - Fri, 5 Dec
LHR
London
SYD
Sydney
S$1,680 Return, found 1 day ago
S$1,680
Return
found 1 day ago
Select American Airlines flight, departing Fri, 14 Nov from London to Sydney, returning Fri, 5 Dec, priced at S$1,680 found 1 day ago

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

March is typically the cheapest month to fly

From S$925 - S$1,780 per traveller.

Graph displaying average flight prices per month

London to Sydney route information
Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air India, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Eastern Airlines, Emirates, Etihad Airways, Gulf Air, Japan Airlines, KLM, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United
Return price
S$1,382
Distance
16918 km
Average flight time
32 hours 10 mins

Perfect flights from London to Sydney

Your Journey from London to Sydney

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Sydney caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air China, China Southern Airlines, China Eastern Airlines, SriLankan Airlines, Air India, Etihad Airways, Vietnam Airlines, Swiss International Air Lines, Qatar Airways, Austrian Airlines, Lufthansa, Singapore Airlines, American Airlines. Our selection of flights from Heathrow to Kingsford Smith Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Sydney Flights

Experience the joy of finding cheap flights from Heathrow to Kingsford Smith Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$730 and roundtrip prices from S$1,382*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Sydney with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Sydney

Picture yourself stepping off the plane in Sydney and immersing yourself in the unique atmosphere of Sydney. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Sydney Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Sydney.
 

Beyond the Flight – Exploring Sydney

With Expedia, your adventure extends beyond the flight. Explore Sydney at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Sydney with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Sydney with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$1,382. 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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