Cheap flights from Sydney to London Heathrow Airport from $612
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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
5 Dec — 12 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in October or February, booked 20 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Sydney to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 November 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 5 November 2025.
Sun 23/1121:15SYD - LHR
2 stops47h 40mMultiple Airlines
Fri 5/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 2/11$1,419
Mon 10/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Mon 17/1122:00LHR - SYD
1 stop35h 20mMultiple Airlines
Deal found 3/11$1,420
Sun 9/1121:15SYD - LHR
2 stops29h 45mMultiple Airlines
Sun 16/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 2/11$1,430
Mon 10/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Wed 12/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 2/11$1,431
Wed 5/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Fri 28/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 2/11$1,433
Mon 10/1121:30SYD - LHR
1 stop31h 40mEtihad Airways
Mon 17/1120:55LHR - SYD
1 stop22h 40mEtihad Airways
Deal found 3/11$1,437
Tue 18/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Wed 3/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 3/11$1,440
Sat 8/1111:05SYD - LHR
1 stop29h 20mCathay Pacific
Fri 21/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 4/11$1,446
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 4/11$1,450
Best flights from Sydney to Heathrow
Discover carefully curated flight deals from Sydney to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2025.
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Sat 22/1122:00LHR - SYD
1 stop35h 20mMultiple Airlines
Deal found 4/11$1,493
Wed 19/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Mon 24/1122:05LHR - SYD
1 stop24h 30mCathay Pacific
Deal found 3/11$1,526
Fri 14/1121:15SYD - LHR
2 stops27h 55mTurkish Airlines
Sat 22/1106:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 4/11$1,528
Fri 14/1113:30SYD - LHR
2 stops39h 00mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 4/11$1,493
Mon 2/215:15SYD - LHR
1 stop26h 15mCathay Pacific
Sat 28/222:05LHR - SYD
1 stop24h 30mCathay Pacific
Deal found 4/11$1,526
Fri 27/221:15SYD - LHR
2 stops28h 40mTurkish Airlines
Thu 12/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 3/11$1,539
Sun 16/1121:15SYD - LHR
2 stops27h 15mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 4/11$1,520
Tue 27/115:15SYD - LHR
1 stop25h 10mCathay Pacific
Tue 24/211:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 4/11$1,526
Fri 14/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Thu 20/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 4/11$1,589
Fri 14/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Mon 24/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 4/11$1,589
Sun 16/1115:15SYD - LHR
1 stop25h 10mCathay Pacific
Thu 20/1122:05LHR - SYD
1 stop24h 30mCathay Pacific
Deal found 4/11$1,589
Sun 16/1115:15SYD - LHR
1 stop25h 10mCathay Pacific
Mon 24/1122:05LHR - SYD
1 stop24h 30mCathay Pacific
Deal found 4/11$1,589
Direct flights from Sydney to Heathrow
Explore direct flight options from Sydney to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 November 2025.
Wed 19/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Wed 26/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11$1,702
Tue 25/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 7/1220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11$1,703
Tue 18/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 22/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11$1,740
Fri 14/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 22/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 3/11$1,777
Fri 14/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Fri 21/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 3/11$1,778
Thu 13/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 16/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11$1,805
Tue 18/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Fri 21/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 3/11$1,846
Mon 10/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Tue 25/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 3/11$1,863
Sat 15/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 30/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 3/11$1,872
Tue 11/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 15/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11$1,900
Sun 23/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Fri 5/1220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 2/11$1,901
Wed 21/115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 8/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 3/11$1,937
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 5 November 2025 and is based on user searches.
Wed 5/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Fri 28/1117:45LHR - SYD
2 stops25h 50mMultiple Airlines
Deal found 2/11$1,423
Wed 5/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Fri 28/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 2/11$1,433
Fri 7/1121:30SYD - LHR
1 stop44h 10mMultiple Airlines
Sun 9/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 1/11$1,443
Sun 9/1120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Wed 19/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 2/11$1,425
Sun 9/1121:15SYD - LHR
2 stops29h 45mMultiple Airlines
Sun 16/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 2/11$1,430
Mon 10/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Mon 17/1122:00LHR - SYD
1 stop35h 20mMultiple Airlines
Deal found 3/11$1,420
Mon 10/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Wed 12/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 2/11$1,431
Mon 10/1121:30SYD - LHR
1 stop31h 40mEtihad Airways
Mon 17/1120:55LHR - SYD
1 stop22h 40mEtihad Airways
Deal found 3/11$1,437
Mon 17/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Mon 8/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 2/11$1,426
Tue 18/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Tue 2/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 2/11$1,419
Tue 18/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Wed 3/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 3/11$1,440
One-way flights from Sydney to Heathrow
Search for one-way flight options from Sydney to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 November 2025.
Mon 10/1121:30SYD - LHR
1 stop31h 40mEtihad Airways
Deal found 2/11$612
Sun 25/120:05SYD - LHR
2 stops30h 25mMultiple Airlines
Deal found 2/11$616
Mon 17/1121:30SYD - LHR
1 stop31h 40mEtihad Airways
Deal found 2/11$619
Sat 8/1121:00SYD - LHR
1 stop31h 55mHainan Airlines
Deal found 3/11$624
Wed 12/1114:20SYD - LHR
3 stops62h 15mMultiple Airlines
Deal found 2/11$636
Wed 3/1221:50SYD - LHR
3 stops55h 00mMultiple Airlines
Deal found 3/11$644
Wed 21/111:40SYD - LHR
2 stops41h 10mMultiple Airlines
Deal found 2/11$649
Mon 2/212:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 3/11$650
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.
Fly from
Sydney
Fly to
Heathrow
Route
Depart
Return
Price
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 15/11
21:00-17:55
1 stop31h 55m
London Heathrow
Sat 22/11
22:00-20:20
1 stop35h 20m
$1,493
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 14/11
13:30-17:30
2 stops39h 00m
London Heathrow
Sat 22/11
21:00-14:50
1 stop30h 50m
$1,493
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 16/11
21:15-13:30
2 stops27h 15m
London Heathrow
Sat 22/11
21:00-14:50
1 stop30h 50m
$1,520
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 19/11
22:20-15:00
1 stop27h 40m
London Heathrow
Mon 24/11
22:05-09:35
1 stop24h 30m
$1,526
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 2/2
15:15-06:30
1 stop26h 15m
London Heathrow
Sat 28/2
22:05-09:35
1 stop24h 30m
$1,526
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 27/1
15:15-05:25
1 stop25h 10m
London Heathrow
Tue 24/2
11:00-20:50
1 stop22h 50m
$1,526
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 14/11
21:15-14:10
2 stops27h 55m
London Heathrow
Sat 22/11
06:35-19:20
2 stops25h 45m
$1,528
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 27/2
21:15-14:55
2 stops28h 40m
London Heathrow
Thu 12/3
06:35-19:20
2 stops25h 45m
$1,539
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 14/11
22:20-15:00
1 stop27h 40m
London Heathrow
Thu 20/11
11:00-20:50
1 stop22h 50m
$1,589
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 14/11
22:20-15:00
1 stop27h 40m
London Heathrow
Mon 24/11
11:00-20:50
1 stop22h 50m
$1,589
Flights are sorted by cheapest return flights first.
Deals found on 4/11
Showing 1-10 of 23 results
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sydney to London Heathrow Airport
Prices
Airlines
More
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 31 October 2025.
To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 20 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.
What is the cheapest month to book a flight from Sydney to London Heathrow Airport?
Currently, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,239). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,903). 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.
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 5 November 2025.
It’s optimal to fly from Sydney to London Heathrow Airport in the evening. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at midday.
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.
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.
How much does it cost for a return flight from Sydney to London Heathrow Airport?
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 5 November 2025.
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).
What’s the top stopover airport for flights from Sydney to London Heathrow Airport?
Share of one-stop return flights from Sydney to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 20% of one-stop itineraries from Sydney to London Heathrow Airport on Cheapflights.
What’s the fastest stopover option from Sydney to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Sydney to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dubai (DXB) have the shortest average one-way travel time for one-stop routes: 25h 01m.
What’s the fastest stopover option from Sydney to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Sydney to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dubai (DXB) have the shortest average one-way travel time for one-stop routes: 25h 01m.
Which airport typically offers the quickest stopover for flights from Sydney to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Sydney to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 3h 03m.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 5 November 2025.
Read through reviews of airlines operating flights from Sydney to London Heathrow Airport, such as Singapore Airlines, Cathay Pacific, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
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?
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 26 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.
How long is the flight from Sydney to London Heathrow Airport?
Cathay Pacific can get you from Sydney to London Heathrow Airport in just under 27h 40m. Your travel time can differ by up to . Airlines will cover a distance of 17008 km.
What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?
Currently priced at $1,179, China Southern will fly you from Sydney to London Heathrow Airport and back. In addition to China Southern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air China and China Eastern - these airlines can fly you to your destination from $1,189 and $1,278, respectively. China Southern is 41% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Sydney to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Sydney to London Heathrow Airport are Etihad Airways ($639), China Southern ($649), and China Eastern ($676).
What are the cheapest flights from Sydney to London Heathrow Airport?
While on average a flight from Sydney to London Heathrow Airport is generally $7,955, our data shows the cheapest flight currently is $1,427. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,173 for that flight.
Where are the most common stopover locations when flying from Sydney to London Heathrow Airport?
Of the flights from Sydney to London Heathrow Airport that have stopovers, most of them stop in Singapore. Singapore is followed by Abu Dhabi in terms of the most popular stopover location on flights from Sydney to London Heathrow Airport. Kuala Lumpur sees the third most stopovers on flights from Sydney to London Heathrow Airport.
What are some popular things to do or see while on a stopover in Singapore?
Sentosa, Merlion, and Sim Lim Square are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Sim Lim Square can be visited by traveling about 21.6 km, 16.9 km, and 16.3 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $130 to make sightseeing during their stopover a little easier.
What are points of interest worth seeing during a stopover in Kuala Lumpur?
Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia are currently the most popular points of interest in Kuala Lumpur. Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia can be visited by travelling about 46.6 km, 44.9 km, and 44.8 km respectively from Kuala Lumpur Intl. Travellers in need of a car in Kuala Lumpur can hire one for about $52 per day.
Where are the least popular stopover locations for Sydney to London Heathrow Airport flights?
Flights departing from Sydney and landing in London Heathrow Airport stopover in Seoul least frequently. Muscat follows Seoul in terms of the least common stopover location on Sydney to London Heathrow Airport flights. Taipei City ranks third to last in terms of the least popular stopover locations on Sydney to London Heathrow Airport flights.
Can I find deals for flights from Sydney to Heathrow that include hotel bookings?
Yes. In addition to deals on Sydney to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Heathrow.
Can I find deals for business class flights from Sydney to Heathrow?
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.
What is the cheapest month to book a flight from Sydney to London Heathrow Airport?
Currently, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,239). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,903). 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.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locations
Kingston upon Thames
Salisbury
Hounslow
Horsham
Southall
Chatham
Dorking
Dover
Braintree
Chertsey
Browse thousands of different options on Cheapflights for your next trip
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Fly from Sydney to Heathrow on these airlines
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 5 November 2025.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 November 2025.
Discover the top 10 airlines that operate flights from Sydney to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 5 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Heathrow?
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!
Why should you use Cheapflights to find cheap flight tickets from Sydney to Heathrow?
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.
Can Cheapflights find flights from Sydney to Heathrow with no change fees?
Yes! Cheapflights helps users easily find flights from Sydney to Heathrow with no change fees.
Can Cheapflights notify me if prices for flights from Sydney to Heathrow become cheaper?
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.
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