Cheap flights from London Heathrow Airport to Sydney from $759
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Sydney departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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China Southern flights from London Heathrow Airport to Sydney
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Air India flights from London Heathrow Airport to Sydney
Our best Air India deals on London Heathrow Airport to Sydney flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London Heathrow Airport and Sydney?
What is the cheapest month to fly to Sydney?
The month of March is, on average, the cheapest month to fly to Sydney from London Heathrow Airport, with most prices found around $1,494. If you aren’t able to travel to Sydney during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,666.
What is the cheapest day to depart on your flight to Sydney?
Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,159. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,361.
What is the cheapest time of day to depart on your flight to Sydney?
According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Sydney in the afternoon for as low as $1,938. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,560 on average. Flights to Sydney from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London Heathrow to Sydney Kingsford Smith flight route?
Fly from London Heathrow to Sydney Kingsford Smith for the best London Heathrow - Sydney Kingsford Smith flight prices
How far in advance should I book a flight to Sydney?
You are more likely to see cheaper flights to Sydney from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,042 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London Heathrow Airport for as low as $1,674 on momondo.
What cabin class options are available on London Heathrow to Sydney Kingsford Smith flights?
There are 3 cabin classes available to choose from on London Heathrow to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Sydney Kingsford Smith?
China Southern, Air China, and Tianjin Airlines are the most popular carriers operating from London Heathrow to Sydney Kingsford Smith
Which airlines fly to Sydney?
Etihad Airways, China Southern and Singapore Airlines are the top three most popular airlines that fly to Sydney from London Heathrow Airport according to our data. Etihad Airways is the first choice among our users, with 29% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 14 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Sydney on average per day?
The number of flights available between London Heathrow Airport and Sydney is 3 per day as of July 2025. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.
How many flights depart from London Heathrow Airport to Sydney on average per week?
The number of flights available between London Heathrow Airport and Sydney is 21 per week as of July 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from London Heathrow Airport to Sydney
Cheap London Heathrow Airport to Sydney (LHR to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sydney
How far is London Heathrow to Sydney Kingsford Smith by plane?
The distance between London Heathrow and Sydney Kingsford Smith is about 17004.5 km. A reasonable flight in good conditions will take 23h 15m.
When did momondo last update prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
Prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
There are 14 operators available for flights from London Heathrow Airport to Sydney Kingsford Smith Airport as of July 2025.
How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Sydney?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Sydney is Airbus A380-800, representing 51.42% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 34.11% and Boeing 777-300ER at 14.47%.
What is the most popular airline from London Heathrow Airport to Sydney?
Based on momondo bookings for flights between London Heathrow Airport and Sydney, the leading airline is Etihad Airways, making up 13% of the total bookings. Other popular airlines include China Southern with 13%, Singapore Airlines with 10%, and Qantas Airways with 9%.
Best airlines flying from London Heathrow Airport to Sydney
Compare and see reviews for airlines that fly from London Heathrow Airport to Sydney with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $624 | Free cancellation | Rating 7.2 89 reviews | |||
| PriceFrom $1,128 | Free cancellation | Rating 7.6 101 reviews | |||
| PriceFrom $1,370 | Free cancellation | Rating 7.2 151 reviews | |||
| PriceFrom $1,512 | Free cancellation | Rating 5.5 2,924 reviews | |||
| PriceFrom $1,546 | Free cancellation | Rating 7.4 265 reviews | |||
| PriceFrom $1,575 | Free cancellation | Rating 8.3 744 reviews | |||
| PriceFrom $1,577 | Free cancellation | Rating 7.4 1,221 reviews | |||
| PriceFrom $1,660 | Free cancellation | Rating 7.6 925 reviews | |||
| PriceFrom $1,688 | Free cancellation | Rating 6.6 7,095 reviews | |||
| PriceFrom $1,743 | Free cancellation | Rating 8.1 3,287 reviews |
Qantas Airways Flights From London Heathrow Airport to Sydney
Qantas Airways flight deals from London Heathrow Airport to Sydney start from $1,336 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually $1,837 round-trip - but some users have found much cheaper deals with momondo.
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Sydney?
It is quick and easy to find London to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.
Can I find flights from London to Sydney with flexible booking policies on momondo?
Flights from London to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Sydney?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Sydney.
I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Sydney from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.