Question 1

Which stopover airport has the shortest connection time from London to Sydney?

Accepted Answer

Hong Kong (HKG) has the shortest average stopover time for this route: 1h 25m.

Question 2

How have London to Sydney flight prices changed over time?

Accepted Answer

As of August 2025, prices for London to Sydney flights are approximately 4% more expensive when compared to flights at the same time last year.

Question 3

What is the cheapest month to fly to Sydney?

Accepted Answer

The month of March is another great option to travel to Sydney, with average flight prices from London averaging around €953.

Question 4

What is the cheapest airline that flies from London to Sydney Kingsford Smith?

Accepted Answer

Tianjin Airlines, Malaysia Airlines, and Etihad Airways are the most popular carriers operating from London to Sydney Kingsford Smith

Question 5

Can stopping save me money on London to Sydney flights?

Accepted Answer

You could potentially save up to 57% on your flight if you consider stops on a London to Sydney flight.

Question 6

Which airport is the most popular for stopovers for flights between London and Sydney?

Accepted Answer

Los Angeles (LAX) was the most common stop: 21% of momondo users choosing one-stop flights on this route connected there.

Question 7

What is the cheapest day to depart on your flight to Sydney?

Accepted Answer

According to our data, Saturday is the cheapest day to fly to Sydney from London. The lowest ticket price found for a Saturday departure recently was €923. 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 €1,227. These prices are subject to change though, so be sure to set up a Price Alert for flights to Sydney.

Question 8

How far in advance should I book a flight to Sydney?

Accepted Answer

You are more likely to see cheaper flights to Sydney from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around €1,136 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 for as low as €927 on momondo.

Question 9

What is the cheapest time of day to depart on your flight to Sydney?

Accepted Answer

Flying to Sydney from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as €947 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around €1,200. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 10

What is the cheapest London to Sydney Kingsford Smith flight route?

Accepted Answer

Fly from London Heathrow to Sydney Kingsford Smith for the best London - Sydney Kingsford Smith flight prices

Question 11

How many flights depart from London to Sydney on average per day?

Accepted Answer

As of August 2025, there are 3 flights per day flying from London to Sydney. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

Question 12

Which stopover airport offers the lowest fares from London to Sydney?

Accepted Answer

Flights via Beijing (PKX) offer the lowest average return price of €908.

Question 13

What is the typical price of a round-trip flight between London and Sydney?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from €948 to €1,287.
The lowest price recently found on this route was €902.

Question 14

How many flights depart from London to Sydney on average per week?

Accepted Answer

As of August 2025, there are 21 flights per week flying from London to Sydney. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Question 15

What cabin class options are available on London to Sydney Kingsford Smith flights?

Accepted Answer

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.

Question 16

Which stopover airport has the shortest travel time from London to Sydney?

Accepted Answer

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 21h 30m.

Question 17

When did momondo last update prices for flights from London to Sydney Kingsford Smith Airport?

Accepted Answer

Prices for flights from London to Sydney Kingsford Smith Airport are updated daily.

Question 18

How old do you have to be to fly from London to Sydney Kingsford Smith Airport?

Accepted Answer

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 stopovers 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.

Question 19

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Accepted Answer

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.

Fastest flight time	23h 20m
Direct flights	Fri
Airports in Sydney	1 airport

Cheap flights from London to Sydney from €550

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 to Sydney departing on 6/9. 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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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?

The month of March is another great option to travel to Sydney, with average flight prices from London averaging around €953.

What is the cheapest day to depart on your flight to Sydney?

What is the cheapest time of day to depart on your flight to Sydney?

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?

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 57% on your flight if you consider stops on a London to Sydney flight.

How have London to Sydney flight prices changed over time?

As of August 2025, prices for London to Sydney flights are approximately 4% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from London to Sydney Kingsford Smith?

Tianjin Airlines, Malaysia Airlines, and Etihad Airways are the most popular carriers operating from London to Sydney Kingsford Smith

Which airport is the most popular for stopovers for flights between London and Sydney?

Los Angeles (LAX) was the most common stop: 21% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to Sydney?

Flights via Beijing (PKX) offer the lowest average return price of €908.

Which stopover airport has the shortest travel time from London to Sydney?

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 21h 30m.

Which stopover airport has the shortest connection time from London to Sydney?

Hong Kong (HKG) has the shortest average stopover time for this route: 1h 25m.

How many flights depart from London to Sydney on average per day?

As of August 2025, there are 3 flights per day flying from London to Sydney. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

How many flights depart from London to Sydney on average per week?

As of August 2025, there are 21 flights per week flying from London to Sydney. The most common day of the week flights depart is Mon, with 14% of flights 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

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How far is London to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from London to Sydney Kingsford Smith Airport?

How old do you have to be to fly from London to Sydney Kingsford Smith Airport?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

What is the most popular plane model from London to Sydney?

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Why use momondo?

Why should I use momondo to find a flight deal from London to Sydney?

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I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?

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