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How to get the cheapest flight ticket from London 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 and Sydney?
What is the cheapest month to fly to Sydney?
If you aren’t able to travel to Sydney during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 1,496.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart from London 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 to Sydney Kingsford Smith flight route?
Fly from London Heathrow to Sydney Kingsford Smith for the best London - 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 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 for as low as C$ 1,485 on momondo.
What cabin class options are available on London to Sydney Kingsford Smith flights?
There are 1 cabin classes available to choose from on London 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 to Sydney flights?
You could potentially save up to 19% on your flight if you consider stops on a London to Sydney flight.
How many flights depart from London to Sydney on average per day?
The number of flights available between London 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 to Sydney on average per week?
21 flights are operational weekly from London 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 to Sydney
Cheap London to Sydney (LON to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Sydney
How far is London to Sydney Kingsford Smith by plane?
There are 16983.0 km between London and Sydney Kingsford Smith. Flights usually cover this in 22h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Sydney Kingsford Smith Airport?
Prices for flights from London to Sydney Kingsford Smith Airport are updated daily.
How old do you have to be to fly from London to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Sydney?
momondo data reveals that the most frequently booked plane model on the route from London to Sydney is Airbus A380-800, representing 64.91% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 32.98% and Boeing 777-300ER at 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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Sydney . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Sydney with flexible booking policies on momondo?
All flight searches from London to Sydney on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Sydney?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from London.
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.