Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Sydney
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Malaysia Airlines flights from London Heathrow Airport to Sydney
Our best Malaysia Airlines deals on London Heathrow Airport to Sydney flight tickets
Lufthansa flights from London Heathrow Airport to Sydney
Our best Lufthansa deals on London Heathrow Airport to Sydney flight tickets
See travel insights to Sydney from
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?
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 C$ 1,481.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart from London Heathrow Airport to Sydney is on a Wednesday when prices can be found for as low as C$ 1,952. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,779.
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 C$ 1,819 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 C$ 1,485 on momondo.
What cabin class options are available on London Heathrow to Sydney Kingsford Smith flights?
There are 1 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.
Can stopping save me money on London Heathrow Airport to Sydney flights?
You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to Sydney flight.
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 June 2025. The most frequent departure time is 9:00p.m., with 100% of daily flights leaving 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 June 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?
The straight-line distance from London Heathrow to Sydney Kingsford Smith is 17004.5 km. 22h 15m is a normal flight duration for this route.
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 are refreshed on a daily basis.
How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 64.91% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 32.98% and Boeing 777-300ER with 2.11%.
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?
Once all potential London to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from London and alert you when they change.