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£445 Cheap Flights from London (LHR) to Sydney (SYD)

View £445 flight on Tue, 17 Nov 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days and start at £445 for one-way flights and £687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Wed, 4 Nov - Wed, 18 Nov
LHR
London
SYD
Sydney
£687 Return, found 9 hours ago
£687
Return
found 9 hours ago
Select China Southern Airlines flight, departing Wed, 4 Nov from London to Sydney, returning Wed, 18 Nov, priced at £687 found 9 hours ago
Air China
Fri, 28 Aug - Sun, 8 Nov
LHR
London
SYD
Sydney
£694 Return, found 4 hours ago
£694
Return
found 4 hours ago
Select Air China flight, departing Fri, 28 Aug from London to Sydney, returning Sun, 8 Nov, priced at £694 found 4 hours ago
China Eastern Airlines
Wed, 4 Nov - Fri, 13 Nov
LHR
London
SYD
Sydney
£709 Return, just found
£709
Return
just found
Select China Eastern Airlines flight, departing Wed, 4 Nov from London to Sydney, returning Fri, 13 Nov, priced at £709 just found
Austrian Airlines
Tue, 15 Sept - Thu, 15 Oct
LHR
London
SYD
Sydney
£879 Return, just found
£879
Return
just found
Select Austrian Airlines flight, departing Tue, 15 Sept from London to Sydney, returning Thu, 15 Oct, priced at £879 just found
Air India
Mon, 1 Mar - Wed, 31 Mar
LHR
London
SYD
Sydney
£881 Return, found 6 hours ago
£881
Return
found 6 hours ago
Select Air India flight, departing Mon, 1 Mar from London to Sydney, returning Wed, 31 Mar, priced at £881 found 6 hours ago
Etihad Airways
Mon, 21 Sept - Fri, 20 Nov
LHR
London
SYD
Sydney
£964 Return, just found
£964
Return
just found
Select Etihad Airways flight, departing Mon, 21 Sept from London to Sydney, returning Fri, 20 Nov, priced at £964 just found
Swiss International Air Lines
Mon, 15 Feb - Mon, 1 Mar
LHR
London
SYD
Sydney
£971 Return, found 2 hours ago
£971
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Mon, 15 Feb from London to Sydney, returning Mon, 1 Mar, priced at £971 found 2 hours ago
Malaysia Airlines
Sun, 8 Nov - Sun, 22 Nov
LHR
London
SYD
Sydney
£987 Return, just found
£987
Return
just found
Select Malaysia Airlines flight, departing Sun, 8 Nov from London to Sydney, returning Sun, 22 Nov, priced at £987 just found
Lufthansa
Thu, 29 Oct - Tue, 3 Nov
LHR
London
SYD
Sydney
£988 Return, found 6 hours ago
£988
Return
found 6 hours ago
Select Lufthansa flight, departing Thu, 29 Oct from London to Sydney, returning Tue, 3 Nov, priced at £988 found 6 hours ago
Vietnam Airlines
Wed, 16 Sept - Wed, 21 Oct
LHR
London
SYD
Sydney
£998 Return, found 18 hours ago
£998
Return
found 18 hours ago
Select Vietnam Airlines flight, departing Wed, 16 Sept from London to Sydney, returning Wed, 21 Oct, priced at £998 found 18 hours ago

Alternative airports near Sydney

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

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city centre is 16 minutes. Flights from £1,391
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from £1,391

Frequently asked questions

How much does a flight from London (LHR) to Sydney, NSW (SYD) cost?
You can find one-way and return flights from London (LHR) to Sydney, NSW (SYD) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to SYD ticket fares go up or down.
What is the cheapest month to fly from London (LHR) to Sydney, NSW (SYD)?
The cheapest months to fly from London (LHR) to Sydney, NSW (SYD) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Only one airline offers direct flights from London Heathrow (LHR) to Sydney, NSW (SYD). British Airways operates 7 direct flights from LHR to SYD every week.
How do I find cheap flights from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best airline to fly with from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. Emirates offers the most daily flights from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR) to Sydney, NSW (SYD)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
When you're looking to fly from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.), you'll find approximately 1 nonstop flight per day. For even more choices, look at flights that include layovers, as there are around 167 connecting flights per day. Some common connection points include Hong Kong Intl. (HKG), Dubai Intl. (DXB), and Vantaa (HEL).
What is the earliest flight from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from London Heathrow (LHR) to Sydney, NSW (SYD) typically departs around 6:00 AM. This seasonal service is active in April and is operated by airlines such as Air Baltic and Cathay Pacific. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
You'll generally find the most flights from London Heathrow (LHR) to Sydney, NSW (SYD) on a Friday, with around 64 flights available. This gives you a good selection of options for your journey. Looking at the week, flight options are fairly consistent, with Friday offering only slightly more flights than other days. Major airlines on this route include Emirates, Qatar Airways, and British Airways.
What are the most popular departure times for flights from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from London Heathrow (LHR) to Sydney (SYD) are in the evening, from 6pm to 9pm. Many major carriers, including Emirates, Cathay Pacific and Qantas Airways, offer flights during this window. Many travellers prefer these times as they allow you to finish your day in London and then arrive in Sydney ready to start your day.
How long does it take to fly from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
There are no nonstop flights from London Heathrow (LHR) to Sydney, NSW (SYD-Kingsford Smith Intl.). The journey covers a significant distance of approximately 17,019 kilometers (about 10,575 miles). Flights with one stop typically take around 23 hours and 48 minutes. If you opt for flights with two or more stops, your travel time will be a bit longer, usually around 24 hours and 30 minutes. Keep in mind that these are average times, and actual flight durations can vary due to factors like layover length, routing, and wind conditions.
Can you fly business or first class from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Yes, you can fly business class or first class between London Heathrow (LHR) and Sydney (SYD).Airlines that offer business class service on this route include:
  • Qatar Airways
  • Air India
  • Singapore Airlines
  • Cathay Pacific
  • Kuwait Airways
  • Emirates
  • Malaysia Airlines
  • Air Baltic
  • Swiss International Air Lines
  • Etihad Airways
  • Brussels Airlines
  • Air France
  • Oman Air
  • Lufthansa
  • Iberia
  • Turkish Airlines
  • ITA Airways
  • Air China
  • British Airways
  • Asiana Airlines
  • Thai Airways International
  • Korean Air
  • KLM
  • SriLankan Airlines
  • China Eastern Airlines
  • Air Canada
  • Med View Airlines
  • China Southern Airlines
  • Gulf Air
  • Vietnam Airlines
  • SAS
  • Virgin Atlantic
  • Japan Airlines
  • Finnair
  • China Airlines
  • Hainan Airlines
  • All Nippon Airways
  • Qantas Airways
  • United
  • Austrian Airlines
  • Helvetic Airways
  • American Airlines
  • EVA Airways
First class cabins are available on:
  • Qatar Airways
  • Singapore Airlines
  • Emirates
  • Air China
  • British Airways
  • Qantas Airways
  • American Airlines
How much is a business class flight from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
A direct, return business class ticket from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) typically costs between £7,749 - £11,032. A non-stop, one-way business class flight is usually around £5,854 - £9,332. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) if you opt for a connecting flight.
How do I earn miles on a London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney, NSW (SYD) from London (LHR)?
If you're planning to travel to Sydney from Heathrow (LHR), you can fly directly into Kingsford Smith Intl. (SYD). Some flights may connect through major hubs like Zürich (ZRH), Frankfurt Intl. (FRA), or Abu Dhabi Intl. (AUH) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your London (LHR-Heathrow) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air France, Air India, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Finnair, KLM, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, United, Virgin Atlantic
Return price
£686
Distance
16918 km
Average flight time
32 hours 12 mins

Book with confidence

Compare flights from London to Sydney easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Sydney. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kingsford Smith Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Kingsford Smith Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Kingsford Smith Intl. (SYD)

The easiest way to view the best deals on flights from London to Sydney today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Kingsford Smith Intl. start at just £687 and range up to £998.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Sydney
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Sydney flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Kingsford Smith Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Sydney easily and book with confidence

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