S$402 Cheap Flights from Sydney to London

View S$402 flight on Fri, 24 Oct, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Sydney to London (SYD-LHR)

Prices were available within the past 7 days and start at S$402 for one-way flights and S$1,081 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Fri, 24 Oct - Sun, 9 Nov
SYD
Sydney
LHR
London
S$1,081 Return, found 5 days ago
S$1,081
Return
found 5 days ago
Select Etihad Airways flight, departing Fri, 24 Oct from Sydney to London, returning Sun, 9 Nov, priced at S$1,081 found 5 days ago
China Eastern Airlines
Thu, 20 Nov - Mon, 24 Nov
SYD
Sydney
LHR
London
S$1,153 Return, found 1 day ago
S$1,153
Return
found 1 day ago
Select China Eastern Airlines flight, departing Thu, 20 Nov from Sydney to London, returning Mon, 24 Nov, priced at S$1,153 found 1 day ago
China Southern Airlines
Thu, 13 Nov - Wed, 26 Nov
SYD
Sydney
LHR
London
S$1,169 Return, found 1 day ago
S$1,169
Return
found 1 day ago
Select China Southern Airlines flight, departing Thu, 13 Nov from Sydney to London, returning Wed, 26 Nov, priced at S$1,169 found 1 day ago
Air Canada
Thu, 13 Nov - Wed, 26 Nov
SYD
Sydney
LHR
London
S$1,405 Return, found 1 day ago
S$1,405
Return
found 1 day ago
Select Air Canada flight, departing Thu, 13 Nov from Sydney to London, returning Wed, 26 Nov, priced at S$1,405 found 1 day ago
Turkish Airlines
Sun, 26 Oct - Mon, 10 Nov
SYD
Sydney
LHR
London
S$1,441 Return, found 1 day ago
S$1,441
Return
found 1 day ago
Select Turkish Airlines flight, departing Sun, 26 Oct from Sydney to London, returning Mon, 10 Nov, priced at S$1,441 found 1 day ago
Vietnam Airlines
Mon, 2 Mar - Tue, 10 Mar
SYD
Sydney
LHR
London
S$1,443 Return, found 5 days ago
S$1,443
Return
found 5 days ago
Select Vietnam Airlines flight, departing Mon, 2 Mar from Sydney to London, returning Tue, 10 Mar, priced at S$1,443 found 5 days ago
Qatar Airways
Sun, 26 Oct - Mon, 10 Nov
SYD
Sydney
LHR
London
S$1,458 Return, found 1 day ago
S$1,458
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 26 Oct from Sydney to London, returning Mon, 10 Nov, priced at S$1,458 found 1 day ago
SriLankan Airlines
Tue, 21 Oct - Thu, 30 Oct
SYD
Sydney
LHR
London
S$1,495 Return, found 1 day ago
S$1,495
Return
found 1 day ago
Select SriLankan Airlines flight, departing Tue, 21 Oct from Sydney to London, returning Thu, 30 Oct, priced at S$1,495 found 1 day ago
Cathay Pacific
Thu, 13 Nov - Wed, 26 Nov
SYD
Sydney
LHR
London
S$1,530 Return, found 1 day ago
S$1,530
Return
found 1 day ago
Select Cathay Pacific flight, departing Thu, 13 Nov from Sydney to London, returning Wed, 26 Nov, priced at S$1,530 found 1 day ago
China Airlines
Sun, 26 Oct - Mon, 10 Nov
SYD
Sydney
LHR
London
S$1,561 Return, found 1 day ago
S$1,561
Return
found 1 day ago
Select China Airlines flight, departing Sun, 26 Oct from Sydney to London, returning Mon, 10 Nov, priced at S$1,561 found 1 day ago

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

March is typically the cheapest month to fly

From S$1,092 - S$1,532 per traveller.
Sydney to London route information
Origin airport
Kingsford Smith Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air India, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Southern Airlines, Emirates, KLM, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, SriLankan Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines, United
Return price
S$1,081
Distance
16918 km
Average flight time
14 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 Etihad Airways, Air China, China Southern Airlines, China Eastern Airlines, Vietnam Airlines, Air Canada, China Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Turkish Airlines, Cathay Pacific. 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$402 and roundtrip prices from S$1,081*.
 

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 . 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$1,081. 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.

Explore a world of travel with Expedia

London Airports

London

*Available to Expedia members.