฿14,020 Cheap Flights from Sydney (SYD) to London (LHR)

View ฿14,020 flight on Thu, 13 Nov 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 (SYD) to London (LHR)

Prices were available within the past 7 days and start at ฿14,020 for one-way flights and ฿34,445 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Thu, 13 Nov - Sun, 30 Nov
SYD
Sydney
LHR
London
฿34,445 Return, found 4 days ago
฿34,445
Return
found 4 days ago
Select Etihad Airways flight, departing Thu, 13 Nov from Sydney to London, returning Sun, 30 Nov, priced at ฿34,445 found 4 days ago
China Eastern Airlines
Wed, 25 Mar - Mon, 30 Mar
SYD
Sydney
LHR
London
฿35,265 Return, found 1 day ago
฿35,265
Return
found 1 day ago
Select China Eastern Airlines flight, departing Wed, 25 Mar from Sydney to London, returning Mon, 30 Mar, priced at ฿35,265 found 1 day ago
Turkish Airlines
Fri, 7 Nov - Tue, 18 Nov
SYD
Sydney
LHR
London
฿35,380 Return, found 6 days ago
฿35,380
Return
found 6 days ago
Select Turkish Airlines flight, departing Fri, 7 Nov from Sydney to London, returning Tue, 18 Nov, priced at ฿35,380 found 6 days ago
Air Canada
Thu, 6 Nov - Fri, 28 Nov
SYD
Sydney
LHR
London
฿35,825 Return, found 3 days ago
฿35,825
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Nov from Sydney to London, returning Fri, 28 Nov, priced at ฿35,825 found 3 days ago
Lufthansa
Fri, 29 May - Mon, 8 Jun
SYD
Sydney
LHR
London
฿37,210 Return, found 6 days ago
฿37,210
Return
found 6 days ago
Select Lufthansa flight, departing Fri, 29 May from Sydney to London, returning Mon, 8 Jun, priced at ฿37,210 found 6 days ago
Vietnam Airlines
Fri, 29 May - Mon, 8 Jun
SYD
Sydney
LHR
London
฿37,740 Return, found 6 days ago
฿37,740
Return
found 6 days ago
Select Vietnam Airlines flight, departing Fri, 29 May from Sydney to London, returning Mon, 8 Jun, priced at ฿37,740 found 6 days ago
Emirates
Mon, 20 Apr - Mon, 27 Apr
SYD
Sydney
LHR
London
฿39,265 Return, found 3 days ago
฿39,265
Return
found 3 days ago
Select Emirates flight, departing Mon, 20 Apr from Sydney to London, returning Mon, 27 Apr, priced at ฿39,265 found 3 days ago
Qantas Airways
Sat, 15 Nov - Wed, 19 Nov
SYD
Sydney
LHR
London
฿39,535 Return, found 4 days ago
฿39,535
Return
found 4 days ago
Select Qantas Airways flight, departing Sat, 15 Nov from Sydney to London, returning Wed, 19 Nov, priced at ฿39,535 found 4 days ago
China Southern Airlines
Tue, 24 Mar - Tue, 31 Mar
SYD
Sydney
LHR
London
฿40,500 Return, found 1 day ago
฿40,500
Return
found 1 day ago
Select China Southern Airlines flight, departing Tue, 24 Mar from Sydney to London, returning Tue, 31 Mar, priced at ฿40,500 found 1 day ago
Air India
Wed, 25 Mar - Mon, 30 Mar
SYD
Sydney
LHR
London
฿41,130 Return, found 1 day ago
฿41,130
Return
found 1 day ago
Select Air India flight, departing Wed, 25 Mar from Sydney to London, returning Mon, 30 Mar, priced at ฿41,130 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 ฿27,473 - ฿38,545 per traveller.
Flight from Sydney to London route information
Origin airport
Kingsford Smith Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air China, Air India, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Malaysia Airlines, Sichuan Airlines, Swiss International Air Lines, Thai Airways International, United, Vietnam Airlines
Return price
฿34,445
Distance
16918 km
Average flight time
13 hours 52 mins

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 ฿14,020 and roundtrip prices from ฿34,445. 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.

Frequently asked questions

How much is a flight from Mascot Airport to London Heathrow?
Round-trip journeys from SYD to LHR start from ฿34,445. 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.