S$575 Cheap Flights from Sydney to London

View S$575 flight on Mon, 21 Jul, 2025Opens in a new window

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

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Cheap Flights from Sydney to London (SYD-LHR)

Prices were available within the past 7 days and start at S$575 for one-way flights and S$1,220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Sun, 3 Aug - Fri, 29 Aug
SYD
Sydney
LHR
London
S$1,220 Return, found 5 days ago
S$1,220
Return
found 5 days ago
Select Air China flight, departing Sun, 3 Aug from Sydney to London, returning Fri, 29 Aug, priced at S$1,220 found 5 days ago
Air China
Thu, 7 Aug - Sun, 31 Aug
SYD
Sydney
LHR
London
S$1,225 Return, found 2 days ago
S$1,225
Return
found 2 days ago
Select Air China flight, departing Thu, 7 Aug from Sydney to London, returning Sun, 31 Aug, priced at S$1,225 found 2 days ago
China Eastern Airlines
Mon, 17 Nov - Sun, 23 Nov
SYD
Sydney
LHR
London
S$1,240 Return, found 2 days ago
S$1,240
Return
found 2 days ago
Select China Eastern Airlines flight, departing Mon, 17 Nov from Sydney to London, returning Sun, 23 Nov, priced at S$1,240 found 2 days ago
Etihad Airways
Tue, 5 Aug - Sun, 24 Aug
SYD
Sydney
LHR
London
S$1,308 Return, found 15 hours ago
S$1,308
Return
found 15 hours ago
Select Etihad Airways flight, departing Tue, 5 Aug from Sydney to London, returning Sun, 24 Aug, priced at S$1,308 found 15 hours ago
Turkish Airlines
Tue, 7 Oct - Tue, 28 Oct
SYD
Sydney
LHR
London
S$1,357 Return, found 6 days ago
S$1,357
Return
found 6 days ago
Select Turkish Airlines flight, departing Tue, 7 Oct from Sydney to London, returning Tue, 28 Oct, priced at S$1,357 found 6 days ago
China Southern Airlines
Thu, 6 Nov - Wed, 19 Nov
SYD
Sydney
LHR
London
S$1,433 Return, found 2 days ago
S$1,433
Return
found 2 days ago
Select China Southern Airlines flight, departing Thu, 6 Nov from Sydney to London, returning Wed, 19 Nov, priced at S$1,433 found 2 days ago
Lufthansa
Mon, 10 Nov - Sun, 16 Nov
SYD
Sydney
LHR
London
S$1,434 Return, found 3 days ago
S$1,434
Return
found 3 days ago
Select Lufthansa flight, departing Mon, 10 Nov from Sydney to London, returning Sun, 16 Nov, priced at S$1,434 found 3 days ago
Qatar Airways
Wed, 4 Feb - Wed, 25 Feb
SYD
Sydney
LHR
London
S$1,445 Return, found 6 days ago
S$1,445
Return
found 6 days ago
Select Qatar Airways flight, departing Wed, 4 Feb from Sydney to London, returning Wed, 25 Feb, priced at S$1,445 found 6 days ago
Cathay Pacific
Tue, 5 May - Tue, 19 May
SYD
Sydney
LHR
London
S$1,534 Return, found 14 hours ago
S$1,534
Return
found 14 hours ago
Select Cathay Pacific flight, departing Tue, 5 May from Sydney to London, returning Tue, 19 May, priced at S$1,534 found 14 hours ago
Air India
Tue, 5 Aug - Sun, 24 Aug
SYD
Sydney
LHR
London
S$1,553 Return, found 15 hours ago
S$1,553
Return
found 15 hours ago
Select Air India flight, departing Tue, 5 Aug from Sydney to London, returning Sun, 24 Aug, priced at S$1,553 found 15 hours ago

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

May is typically the cheapest month to fly

From S$1,082 - S$1,525 per traveller.

Graph displaying average flight prices per month

Sydney to London route information
Origin airport
Kingsford Smith Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, Air India, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, China Eastern Airlines, Emirates, Etihad Airways, Japan Airlines, KLM, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, SriLankan Airlines, Thai Airways International, Turkish Airlines, United
Return price
S$1,220
Distance
16918 km
Average flight time
15 hours 15 mins

Perfect flights from Sydney to London

Your Journey from Sydney to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Sydney to London 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, Singapore Airlines, Etihad Airways, China Eastern Airlines, China Airlines, Qatar Airways, China Southern Airlines, Turkish Airlines, Malaysia Airlines, Cathay Pacific, Lufthansa, Air India. Our selection of flights from Kingsford Smith Intl. to Heathrow 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 Sydney to London Flights

Experience the joy of finding cheap flights from Kingsford Smith Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$575 and roundtrip prices from S$1,220*.
 

Pre-Flight Essentials

Ensure a smooth journey from Sydney to London 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 London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of London. 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 Sydney to London 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 Sydney to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London 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 Sydney to London 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 Sydney to London 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 Mascot Airport to London Heathrow?
Round-trip journeys from SYD to LHR start from S$1,220. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year --- make your booking ASAP so you don't miss 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 Sydney Airport to Heathrow Airport?
Each airline has a different set of terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from Kingsford Smith Intl. Airport (SYD) to Heathrow Airport 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 Mascot Airport to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Mascot Airport to Heathrow Airport (LHR)?
With around 17,000 kilometres separating Sydney and Hounslow, your flight will be a long one. Pack wisely and make your time in the air comfortable. Simple things like a sleep mask and a good travel pillow can make the biggest difference.
Which airlines fly direct from Sydney Airport to LHR?
There are no direct flights, so you'll need to make at least one stop between SYD and Heathrow Airport (LHR). Use the layover time to stretch your legs and take a break.
Are Sydney Airport to LHR flight tickets cheaper when they're purchased at the last minute?
Tickets from Kingsford Smith Intl. Airport (SYD) to Heathrow Airport (LHR) are available up to 12 months prior to departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more choices --- and you can avoid ending up with the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials.

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