S$723 Cheap Flights from London to Sydney

View S$723 flight on Sun, 8 Jun, 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$723 for one-way flights and S$999 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Sat, 17 May - Mon, 26 May
LHR
London
SYD
Sydney
S$999 Return, just found
S$999
Return
just found
Select China Eastern Airlines flight, departing Sat, 17 May from London to Sydney, returning Mon, 26 May, priced at S$999 just found
China Southern Airlines
Mon, 22 Sep - Wed, 22 Oct
LHR
London
SYD
Sydney
S$1,217 Return, found 1 day ago
S$1,217
Return
found 1 day ago
Select China Southern Airlines flight, departing Mon, 22 Sep from London to Sydney, returning Wed, 22 Oct, priced at S$1,217 found 1 day ago
Air China
Thu, 8 May - Sat, 24 May
LHR
London
SYD
Sydney
S$1,317 Return, found 4 hours ago
S$1,317
Return
found 4 hours ago
Select Air China flight, departing Thu, 8 May from London to Sydney, returning Sat, 24 May, priced at S$1,317 found 4 hours ago
Air India
Mon, 12 May - Sun, 25 May
LHR
London
SYD
Sydney
S$1,370 Return, found 2 days ago
S$1,370
Return
found 2 days ago
Select Air India flight, departing Mon, 12 May from London to Sydney, returning Sun, 25 May, priced at S$1,370 found 2 days ago
Etihad Airways
Tue, 13 May - Tue, 20 May
LHR
London
SYD
Sydney
S$1,478 Return, found 22 hours ago
S$1,478
Return
found 22 hours ago
Select Etihad Airways flight, departing Tue, 13 May from London to Sydney, returning Tue, 20 May, priced at S$1,478 found 22 hours ago
Cathay Pacific
Fri, 30 May - Sat, 7 Jun
LHR
London
SYD
Sydney
S$1,519 Return, found 21 hours ago
S$1,519
Return
found 21 hours ago
Select Cathay Pacific flight, departing Fri, 30 May from London to Sydney, returning Sat, 7 Jun, priced at S$1,519 found 21 hours ago
Vietnam Airlines
Tue, 3 Jun - Wed, 11 Jun
LHR
London
SYD
Sydney
S$1,561 Return, found 1 day ago
S$1,561
Return
found 1 day ago
Select Vietnam Airlines flight, departing Tue, 3 Jun from London to Sydney, returning Wed, 11 Jun, priced at S$1,561 found 1 day ago
China Airlines
Sat, 17 May - Mon, 26 May
LHR
London
SYD
Sydney
S$1,711 Return, just found
S$1,711
Return
just found
Select China Airlines flight, departing Sat, 17 May from London to Sydney, returning Mon, 26 May, priced at S$1,711 just found
Swiss International Air Lines
Mon, 2 Feb - Sun, 8 Feb
LHR
London
SYD
Sydney
S$1,721 Return, found 7 hours ago
S$1,721
Return
found 7 hours ago
Select Swiss International Air Lines flight, departing Mon, 2 Feb from London to Sydney, returning Sun, 8 Feb, priced at S$1,721 found 7 hours ago
Malaysia Airlines
Sat, 1 Nov - Sun, 30 Nov
LHR
London
SYD
Sydney
S$1,747 Return, found 17 hours ago
S$1,747
Return
found 17 hours ago
Select Malaysia Airlines flight, departing Sat, 1 Nov from London to Sydney, returning Sun, 30 Nov, priced at S$1,747 found 17 hours ago
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, China Southern Airlines, Emirates, Etihad Airways, Japan Airlines, KLM, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Thai Airways International, United, Vietnam Airlines
Return price
S$999
Distance
16918 km

Flights from London to Sydney

When looking for plane tickets from London to Sydney, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Sydney. Look for LHR to SYD airfare with the assurance that you have the largest online travel agency working for you.

Expedia lets you search across the largest number of airlines and Sydney flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your London Sydney flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London to Sydney trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Sydney flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from London to Sydney with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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$999. 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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