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Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Sydney
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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 May is another great option to travel to Sydney, with average flight prices from London Heathrow Airport averaging around €968.
What is the cheapest day to depart on your flight to Sydney?
According to our data, Tuesday is the cheapest day to fly to Sydney from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was €0. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €1,259. These prices are subject to change though, so be sure to set up a Price Alert for flights to Sydney.
What is the cheapest time of day to depart on your flight to Sydney?
Flying to Sydney from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as €0 when looking at flights departing at midday. Try not to purchase tickets in the morning because they tend to be around €1,231. Of course, these prices can vary depending on the time of year and what airport you fly to.
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 €1,173 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 €936 on momondo.
How many flights depart from London Heathrow Airport to Sydney on average per day?
3 flights are operational daily from London Heathrow Airport to Sydney as of April 2025. The most popular departure time for this route is 21:00, with 100% of flights per day taking off in the evening.
How many flights depart from London Heathrow Airport to Sydney on average per week?
As of April 2025, 21 flights take off from London Heathrow Airport and land in Sydney each week. The most common flight departure day for this route is Mon, with 14% of weekly flights 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?
London Heathrow and Sydney Kingsford Smith are 17004.5 km apart from one another. Typically, this will take 22h 20m by plane in normal conditions.
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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable 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 80.24% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 16.72%, Boeing 777-300ER at 2.89%, and Airbus A380 at 0.15%.
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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?
Yes. momondo allows you to filter the results for London to Sydney flights to just show those with flexible booking policies.
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.