Cheap flights from London Heathrow Airport to Sydney from £389
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 7/5. 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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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 cheapest month to fly to Sydney?
In general, March is the cheapest month to fly from London Heathrow Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £752. If you don’t want to visit Sydney in March, then you should wait until May to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £854.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £1,186. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,330.
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 £946. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Sydney, so prices are often more expensive at around £1,273 per ticket.
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 24 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £1,037 when searching 24 weeks out.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 £835 on momondo.
What cabin class options are available on London Heathrow to Sydney Kingsford Smith flights?
There are 4 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?
Air China, Tianjin Airlines, and China Eastern are the most popular carriers operating from London Heathrow to Sydney Kingsford Smith
Which airlines fly to Sydney?
Singapore Airlines, China Southern and Cathay Pacific are the top three most popular airlines that fly to Sydney from London Heathrow Airport according to our data. Singapore Airlines is the first choice among our users, with 31% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 33 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?
As of March 2025, 3 flights take off from London Heathrow Airport and land in Sydney each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.
How many flights depart from London Heathrow Airport to Sydney on average per week?
21 flights are operational weekly from London Heathrow Airport to Sydney as of March 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off 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?
Sydney Kingsford Smith is 10566.1 mi away from London Heathrow. A reasonable flight in good conditions will take 23h 05m.
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 were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
As of March 2025, there are 33 operators available to choose from for flights from London Heathrow Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Sydney?
Based on momondo bookings for flights between London Heathrow Airport and Sydney, the leading plane model is Airbus A380-800, making up 86.78% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 10.73%, Boeing 777-300ER with 2.36%, and Airbus A380 with 0.13%.
What is the most popular airline from London Heathrow Airport to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Sydney is Singapore Airlines (14% of total bookings). The next most popular airlines are China Southern (13%), Cathay Pacific (9%), and Etihad Airways (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 £349 | Free Cancellation | Rating 7.8 32 reviews | |||
| PriceFrom £648 | Free Cancellation | Rating 7.5 1,569 reviews | |||
| PriceFrom £739 | Free Cancellation | Rating 7.3 3,745 reviews | |||
| PriceFrom £743 | Free Cancellation | Rating 6.7 6,950 reviews | |||
| PriceFrom £794 | Free Cancellation | Rating 7.6 192 reviews | |||
| PriceFrom £817 | Free Cancellation | Rating 7.5 769 reviews | |||
| PriceFrom £864 | Free Cancellation | Rating 7.4 1,423 reviews | |||
| PriceFrom £939 | Free Cancellation | Rating 8.3 1,440 reviews | |||
| PriceFrom £951 | Free Cancellation | Rating 7.6 1,266 reviews | |||
| PriceFrom £972 | Free Cancellation | Rating 7.2 10,000 reviews |
Travelling to a place near Sydney?
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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?
momondo does allow users to show only those flights to Sydney from London which offer a flexible booking policy as well as other useful filters and features.
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.