฿17,570 Cheap Flights from Sydney (SYD) to London (LHR)

View ฿17,570 flight on Tue, 21 Jul 2026Opens in a new window

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

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Cheap Flights from Sydney (SYD) to London (LHR)

Prices were available within the past 7 days and start at ฿17,570 for one-way flights and ฿32,180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Thu, 12 Nov - Wed, 18 Nov
SYD
Sydney
LHR
London
฿32,180 Return, found 2 days ago
฿32,180
Return
found 2 days ago
Select Etihad Airways flight, departing Thu, 12 Nov from Sydney to London, returning Wed, 18 Nov, priced at ฿32,180 found 2 days ago
Air China
Wed, 12 Aug - Mon, 24 Aug
SYD
Sydney
LHR
London
฿35,635 Return, found 21 hours ago
฿35,635
Return
found 21 hours ago
Select Air China flight, departing Wed, 12 Aug from Sydney to London, returning Mon, 24 Aug, priced at ฿35,635 found 21 hours ago
China Southern Airlines
Wed, 29 Jul - Mon, 17 Aug
SYD
Sydney
LHR
London
฿37,355 Return, found 21 hours ago
฿37,355
Return
found 21 hours ago
Select China Southern Airlines flight, departing Wed, 29 Jul from Sydney to London, returning Mon, 17 Aug, priced at ฿37,355 found 21 hours ago
China Eastern Airlines
Wed, 22 Jul - Fri, 14 Aug
SYD
Sydney
LHR
London
฿37,505 Return, found 21 hours ago
฿37,505
Return
found 21 hours ago
Select China Eastern Airlines flight, departing Wed, 22 Jul from Sydney to London, returning Fri, 14 Aug, priced at ฿37,505 found 21 hours ago
Vietnam Airlines
Sat, 25 Jul - Mon, 10 Aug
SYD
Sydney
LHR
London
฿41,935 Return, found 21 hours ago
฿41,935
Return
found 21 hours ago
Select Vietnam Airlines flight, departing Sat, 25 Jul from Sydney to London, returning Mon, 10 Aug, priced at ฿41,935 found 21 hours ago
British Airways
Thu, 12 Nov - Wed, 18 Nov
SYD
Sydney
LHR
London
฿43,510 Return, found 2 days ago
฿43,510
Return
found 2 days ago
Select British Airways flight, departing Thu, 12 Nov from Sydney to London, returning Wed, 18 Nov, priced at ฿43,510 found 2 days ago
British Airways
Thu, 12 Nov - Wed, 18 Nov
SYD
Sydney
LHR
London
฿43,510 Return, found 2 days ago
฿43,510
Return
found 2 days ago
Select British Airways flight, departing Thu, 12 Nov from Sydney to London, returning Wed, 18 Nov, priced at ฿43,510 found 2 days ago
Asiana Airlines
Thu, 12 Nov - Wed, 18 Nov
SYD
Sydney
LHR
London
฿44,650 Return, found 2 days ago
฿44,650
Return
found 2 days ago
Select Asiana Airlines flight, departing Thu, 12 Nov from Sydney to London, returning Wed, 18 Nov, priced at ฿44,650 found 2 days ago
Turkish Airlines
Thu, 12 Nov - Wed, 18 Nov
SYD
Sydney
LHR
London
฿44,785 Return, found 2 days ago
฿44,785
Return
found 2 days ago
Select Turkish Airlines flight, departing Thu, 12 Nov from Sydney to London, returning Wed, 18 Nov, priced at ฿44,785 found 2 days ago
Qatar Airways
Thu, 12 Nov - Wed, 18 Nov
SYD
Sydney
LHR
London
฿44,865 Return, found 2 days ago
฿44,865
Return
found 2 days ago
Select Qatar Airways flight, departing Thu, 12 Nov from Sydney to London, returning Wed, 18 Nov, priced at ฿44,865 found 2 days ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city centre is 52 minutes. Flights from ฿49,185
LGW
Gatwick
Average driving time to city centre52 min
Flights from ฿49,185

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

November is typically the cheapest month to fly

From ฿31,480 - ฿46,328 per traveller.

Frequently asked questions

How much is a flight from Mascot Airport to London Heathrow?
Round-trip journeys from SYD to LHR start from ฿32,180. 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.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Heathrow
Airlines serving
Air China, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Delta, Emirates, Etihad Airways, Japan Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Thai Airways International, United, Vietnam Airlines
Return price
฿32,180
Distance
16918 km
Average flight time
15 hours 25 mins

Book with confidence

Perfect flights from Sydney to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Sydney to London. 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 Kingsford Smith Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from ฿17,570 and roundtrip prices from ฿32,180. 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 Heathrow 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 London.
Perfect flights from Sydney to London
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