Question 1

What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?

Accepted Answer

Currently priced at $1,518, China Eastern will fly you from Sydney to London Heathrow Airport and back. In addition to China Eastern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air China and China Southern - these airlines can fly you to your destination from $1,522 and $1,526, respectively. China Eastern is 23% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

Question 2

What are the cheapest airlines to fly from Sydney to London Heathrow Airport one-way?

Accepted Answer

The cheapet airlines for a one-way flight from Sydney to London Heathrow Airport are China Eastern ($808), Etihad Airways ($817), and Hainan Airlines ($869). Find deals

Question 3

How far ahead should I book a flight from Sydney to London Heathrow Airport?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure. Find deals

Question 4

What is the cheapest month to book a flight from Sydney to London Heathrow Airport?

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,037). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options. Find deals

Question 5

What is the cheapest day to fly from Sydney to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their Sydney to London Heathrow Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Sydney to London Heathrow Airport

Accepted Answer

The most flights from SYD to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 9

What are the cheapest flights from Sydney to London Heathrow Airport?

Accepted Answer

While on average a flight from Sydney to London Heathrow Airport is generally $8,548, our data shows the cheapest flight currently is $1,365. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,280 for that flight.

Question 10

What are the most popular airlines that fly from Sydney to London Heathrow Airport?

Accepted Answer

The most popular airlines flying from Sydney to London Heathrow Airport are Sichuan Airlines, Air France and Air India. Something to consider prior to booking your flight.

Question 11

Where are the most common stopover locations when flying from Sydney to London Heathrow Airport?

Accepted Answer

Of the flights from Sydney to London Heathrow Airport that have stopovers, most of them stop in Singapore. Singapore is followed by Kuala Lumpur in terms of the most popular stopover location on flights from Sydney to London Heathrow Airport. Hong Kong sees the third most stopovers on flights from Sydney to London Heathrow Airport.

Question 12

Where are the least popular stopover locations for Sydney to London Heathrow Airport flights?

Accepted Answer

Flights departing from Sydney and landing in London Heathrow Airport stopover in Seoul least frequently. Taipei City follows Seoul in terms of the least common stopover location on Sydney to London Heathrow Airport flights. Tokyo ranks third to last in terms of the least popular stopover locations on Sydney to London Heathrow Airport flights.

Question 13

What are some popular things to do or see while on a stopover in Singapore?

Accepted Answer

Sentosa, Merlion, and Boat Quay are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Boat Quay can be visited by traveling about 21.6 km, 16.9 km, and 17.3 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $128 to make sightseeing during their stopover a little easier.

Question 14

What are some popular points of interest to see during a stopover in Kuala Lumpur?

Accepted Answer

Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia are the most popular attractions in Kuala Lumpur if you're in need of something to do during your stopover. Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia can be accessed by travelling approximately 46.6 km, 44.9 km, and 44.8 km, respectively from Kuala Lumpur Intl. Travellers can book a car hire at Kuala Lumpur Intl for about $49 per day to make their sightseeing more efficient.

Question 15

What are points of interest worth seeing during a stopover in Hong Kong?

Accepted Answer

Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, and Mid-levels Escalators are currently the most popular points of interest in Hong Kong. Hong Kong Disneyland, Hong Kong Heritage Discovery Centre, and Mid-levels Escalators can be visited by travelling about 12.6 km, 25.8 km, and 24.5 km respectively from Hong Kong Intl.

Question 16

What is the cheapest day to fly return from Sydney to London Heathrow Airport?

Accepted Answer

Sunday is generally a great day to depart. Flying on this day could help you save up to 9%.

Question 17

How far in advance should I book a flight from Sydney to London Heathrow Airport?

Accepted Answer

Travellers have found it’s best to book a flight 52 days in advance to save up to 21% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Sydney to London Heathrow Airport 1-2 weeks in advance for as low as $1,815, or $1,970 for flights within the next 24 hours.

Question 18

What is the cheapest month to fly from Sydney to London Heathrow Airport?

Accepted Answer

Our data shows that October tends to be the cheapest month to fly to London Heathrow Airport from Sydney. Users have commonly found prices around $1,894 for the month, but tickets can be as low as $1,249. Due to multiple factors, prepare for potentially higher prices in December.

Question 19

What is the cheapest time of day to fly from SYD to LHR?

Accepted Answer

It’s optimal to fly from Sydney to London Heathrow Airport in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at midday.

Question 20

What airport do you fly from for flights from Sydney to London Heathrow?

Accepted Answer

Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to London Heathrow. You should not have trouble finding flights to London Heathrow from Kingsford Smith; the airport handles an average of 3 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 28 airlines have flights from the Sydney airport to London Heathrow. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

Question 21

Can I find deals for flights from Sydney to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Sydney to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 22

How can I find direct flights from Sydney to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Heathrow.

Question 23

Can I find deals for business class flights from Sydney to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Sydney to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 24

How does Cheapflights help users find flights from Sydney to Heathrow?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Sydney today with Cheapflights!

Question 25

Why should you use Cheapflights to find cheap flight tickets from Sydney to Heathrow?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Sydney to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 26

Can Cheapflights find flights from Sydney to Heathrow with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Sydney to Heathrow with no change fees.

Question 27

Can Cheapflights notify me if prices for flights from Sydney to Heathrow become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Sydney to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	$1,518
One-way from	$787
Popular in	December
Cheapest in	October
Average price	$2,166
Good round-trip deal	$2,174 or less
Good one-way deal	$1,543 or less

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest$1,219	Average$1,493	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Eastern	Cheapest$1,283	Average$1,678	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Turkish Airlines	Cheapest$1,456	Average$1,679	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
China Airlines	Cheapest$1,456	Average$1,717	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
Vietnam Airlines	Cheapest$1,469	Average$2,005	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Qatar Airways	Cheapest$1,469	Average$2,107	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
SWISS	Cheapest$1,499	Average$2,123	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
SriLankan Airlines	Cheapest$1,522	Average$1,909	FlexibilityNo cancel fee	On-time68%	Search SriLankan Airlines flights
Japan Airlines	Cheapest$1,535	Average$2,053	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Asiana Airlines	Cheapest$1,570	Average$1,863	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights

Cheap flights from Sydney to London Heathrow Airport from $785

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in October or February, booked 25 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Sydney to Heathrow

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Find flight deals from Sydney to Heathrow

Cheapest flights from Sydney to HeathrowExplore the most affordable flight options available from Sydney to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.

Explore the most affordable flight options available from Sydney to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.

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Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.

Best time to book a flight from Sydney to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sydney with our price prediction graph.

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Everything you need to know about your flight from Sydney to London Heathrow Airport

How far ahead should I book a flight from Sydney to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Sydney to Heathrow. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Sydney to London Heathrow Airport?

What is the cheapest time of day to fly from SYD to LHR?

Find hourly flight availability from Sydney to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 July 2025.

What is the cheapest day to fly from Sydney to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Sydney to Heathrow. Price data was last updated on 16 December 2024.

Weekly flight availability from Sydney to London Heathrow Airport

Explore weekly flight availability from Sydney to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 July 2025.

How much does it cost for a return flight from Sydney to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Sydney to London Heathrow Airport, such as Hainan Airlines, China Southern, andVietnam Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Sydney to London Heathrow?

What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Sydney to London Heathrow Airport one-way?

What are the cheapest flights from Sydney to London Heathrow Airport?

Where are the most common stopover locations when flying from Sydney to London Heathrow Airport?

What are some popular things to do or see while on a stopover in Singapore?

What are some popular points of interest to see during a stopover in Kuala Lumpur?

What are points of interest worth seeing during a stopover in Hong Kong?

Where are the least popular stopover locations for Sydney to London Heathrow Airport flights?

Can I find deals for flights from Sydney to Heathrow that include hotel bookings?

How can I find direct flights from Sydney to Heathrow?

Can I find deals for business class flights from Sydney to Heathrow?

What is the cheapest month to book a flight from Sydney to London Heathrow Airport?

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Choose from the following airlines for your flight from Sydney to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 10 July 2025.

Top 10 airlines flying from Sydney to Heathrow

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How does Cheapflights help users find flights from Sydney to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Sydney to Heathrow?

Can Cheapflights find flights from Sydney to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to Heathrow become cheaper?

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Cheapest flights from Sydney to Heathrow
Explore the most affordable flight options available from Sydney to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 July 2025.