Cheap flights from Sydney to London Heathrow Airport from $685
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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
10 Feb — 17 Feb1
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 51 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Sydney to Heathrow
Enter your travel dates to find the best prices.
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 11 January 2026.
Mon 9/216:35SYD - LHR
1 stop25h 05mEtihad Airways
Tue 17/219:20LHR - SYD
1 stop35h 35mEtihad Airways
Deal found 11/1$1,613
Mon 9/321:45SYD - LHR
1 stop25h 20mEtihad Airways
Thu 19/308:50LHR - SYD
1 stop22h 05mEtihad Airways
Deal found 9/1$1,625
Tue 21/414:15SYD - LHR
1 stop37h 45mChina Southern
Fri 8/522:10LHR - SYD
1 stop29h 25mChina Southern
Deal found 10/1$1,626
Wed 22/414:15SYD - LHR
1 stop37h 45mChina Southern
Thu 7/522:10LHR - SYD
1 stop29h 25mChina Southern
Deal found 10/1$1,628
Tue 20/115:15SYD - LHR
2 stops38h 20mChina Southern
Wed 28/122:00LHR - SYD
1 stop28h 35mChina Southern
Deal found 9/1$1,629
Wed 22/410:05SYD - LHR
1 stop41h 55mChina Southern
Fri 8/522:10LHR - SYD
1 stop29h 25mChina Southern
Deal found 9/1$1,631
Mon 10/822:10SYD - LHR
1 stop27h 20mChina Airlines
Mon 28/921:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 11/1$1,632
Sun 31/510:05SYD - LHR
1 stop41h 55mChina Southern
Sun 14/619:15LHR - SYD
2 stops28h 10mChina Southern
Deal found 9/1$1,634
Mon 4/514:15SYD - LHR
1 stop37h 45mChina Southern
Sun 24/521:00LHR - SYD
2 stops30h 35mChina Southern
Deal found 10/1$1,635
Fri 23/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Wed 4/221:00LHR - SYD
2 stops30h 25mMultiple Airlines
Deal found 11/1$1,637
Mon 23/213:35SYD - LHR
3 stops35h 10mMultiple Airlines
Mon 2/321:30LHR - SYD
3 stops34h 20mMultiple Airlines
Deal found 9/1$1,638
Sat 16/511:45SYD - LHR
2 stops30h 50mTurkish Airlines
Wed 27/506:30LHR - SYD
2 stops27h 40mTurkish Airlines
Deal found 9/1$1,640
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 11 January 2026.
Wed 25/321:15SYD - LHR
2 stops34h 50mTurkish Airlines
Tue 5/522:35LHR - SYD
2 stops35h 35mTurkish Airlines
Deal found 10/1$1,649
Mon 25/510:15SYD - LHR
1 stop40h 35mVietnam Airlines
Sun 7/619:50LHR - SYD
2 stops51h 25mVietnam Airlines
Deal found 10/1$1,685
Wed 4/221:15SYD - LHR
2 stops28h 50mTurkish Airlines
Fri 20/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 10/1$1,680
Mon 25/510:15SYD - LHR
1 stop40h 35mVietnam Airlines
Thu 11/619:10LHR - SYD
2 stops32h 05mVietnam Airlines
Deal found 10/1$1,692
Fri 6/221:15SYD - LHR
2 stops28h 40mTurkish Airlines
Sun 22/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 10/1$1,680
Wed 27/510:15SYD - LHR
1 stop39h 40mVietnam Airlines
Tue 9/619:50LHR - SYD
2 stops55h 25mVietnam Airlines
Deal found 10/1$1,692
Sat 7/221:15SYD - LHR
2 stops29h 55mTurkish Airlines
Fri 20/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 10/1$1,680
Wed 6/510:15SYD - LHR
1 stop39h 40mVietnam Airlines
Tue 19/519:50LHR - SYD
2 stops55h 25mVietnam Airlines
Deal found 10/1$1,692
Sat 7/221:15SYD - LHR
2 stops34h 50mTurkish Airlines
Tue 17/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 10/1$1,680
Tue 28/421:05SYD - LHR
2 stops27h 05mTurkish Airlines
Wed 20/516:45LHR - SYD
2 stops41h 25mTurkish Airlines
Deal found 10/1$1,704
Thu 28/521:05SYD - LHR
2 stops34h 20mTurkish Airlines
Thu 11/606:30LHR - SYD
2 stops27h 40mTurkish Airlines
Deal found 10/1$1,704
Wed 29/421:05SYD - LHR
2 stops27h 55mTurkish Airlines
Thu 5/1106:35LHR - SYD
2 stops26h 15mTurkish Airlines
Deal found 9/1$1,704
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 11 January 2026.
Thu 5/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Thu 19/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 10/1$1,690
Mon 2/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Mon 16/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 8/1$1,693
Sun 8/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Sun 15/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 8/1$1,702
Wed 4/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Wed 1/420:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 10/1$1,719
Mon 16/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Sat 28/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 10/1$1,725
Sat 7/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Thu 12/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 8/1$1,728
Mon 16/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Fri 27/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 9/1$1,729
Thu 26/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Fri 21/820:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 10/1$1,753
Fri 6/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Sat 28/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 9/1$1,764
Wed 18/316:15SYD - LHR
Nonstop25h 00mQantas Airways
Fri 22/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 8/1$1,765
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 11 January 2026 and is based on user searches.
Thu 15/113:30SYD - LHR
3 stops39h 00mChina Eastern
Mon 2/221:00LHR - SYD
1 stop29h 35mChina Eastern
Deal found 9/1$1,632
Tue 20/115:15SYD - LHR
2 stops38h 20mChina Southern
Wed 28/122:00LHR - SYD
1 stop28h 35mChina Southern
Deal found 9/1$1,629
Fri 23/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Wed 4/221:00LHR - SYD
2 stops30h 25mMultiple Airlines
Deal found 11/1$1,637
Wed 4/221:30SYD - LHR
1 stop31h 00mChina Eastern
Wed 1/421:20LHR - SYD
1 stop26h 40mChina Eastern
Deal found 11/1$1,626
Mon 9/216:35SYD - LHR
1 stop25h 05mEtihad Airways
Tue 17/219:20LHR - SYD
1 stop35h 35mEtihad Airways
Deal found 11/1$1,613
Sun 15/221:15SYD - LHR
2 stops27h 15mTurkish Airlines
Sun 8/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 11/1$1,641
Thu 19/212:00SYD - LHR
1 stop40h 30mMultiple Airlines
Thu 19/321:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 10/1$1,646
Sat 21/221:45SYD - LHR
1 stop27h 45mMultiple Airlines
Sat 14/321:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 9/1$1,649
Sat 21/221:45SYD - LHR
1 stop27h 45mEtihad Airways
Sun 8/308:50LHR - SYD
1 stop22h 05mEtihad Airways
Deal found 11/1$1,652
Mon 23/221:15SYD - LHR
2 stops30h 40mMultiple Airlines
Mon 2/308:50LHR - SYD
1 stop22h 05mMultiple Airlines
Deal found 9/1$1,628
Fri 27/212:00SYD - LHR
1 stop40h 30mMultiple Airlines
Fri 20/308:50LHR - SYD
1 stop22h 05mMultiple Airlines
Deal found 9/1$1,631
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 11 January 2026.
Fri 23/120:40SYD - LHR
2 stops35h 45mMultiple Airlines
Deal found 9/1$685
Tue 7/421:00SYD - LHR
1 stop31h 30mHainan Airlines
Deal found 8/1$686
Thu 19/212:00SYD - LHR
3 stops40h 00mMultiple Airlines
Deal found 10/1$689
Mon 19/121:45SYD - LHR
1 stop43h 55mEtihad Airways
Deal found 11/1$691
Mon 23/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Deal found 9/1$692
Mon 23/221:15SYD - LHR
2 stops29h 55mTurkish Airlines
Deal found 9/1$694
Sun 15/321:15SYD - LHR
2 stops47h 40mTurkish Airlines
Deal found 9/1$695
Sat 24/114:00SYD - LHR
3 stops32h 35mMultiple Airlines
Deal found 9/1$697
Thu 9/421:00SYD - LHR
1 stop31h 30mHainan Airlines
Deal found 11/1$698
Mon 4/510:05SYD - LHR
1 stop41h 55mChina Southern
Deal found 8/1$700
Wed 11/316:35SYD - LHR
1 stop25h 05mEtihad Airways
Deal found 11/1$701
Find 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 11 January 2026.
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 11 January 2026.
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
Wed 25/3
21:15-21:05
2 stops34h 50m
London Heathrow
Tue 5/5
22:35-19:10
2 stops35h 35m
$1,649
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 4/2
21:15-15:05
2 stops28h 50m
London Heathrow
Fri 20/3
06:35-19:20
2 stops25h 45m
$1,680
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 6/2
21:15-14:55
2 stops28h 40m
London Heathrow
Sun 22/3
06:35-19:20
2 stops25h 45m
$1,680
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 7/2
21:15-16:10
2 stops29h 55m
London Heathrow
Fri 20/3
06:35-19:20
2 stops25h 45m
$1,680
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 7/2
21:15-21:05
2 stops34h 50m
London Heathrow
Tue 17/3
06:35-19:20
2 stops25h 45m
$1,680
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 25/5
10:15-17:50
1 stop40h 35m
London Heathrow
Sun 7/6
19:50-08:15
2 stops51h 25m
$1,685
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 25/5
10:15-17:50
1 stop40h 35m
London Heathrow
Thu 11/6
19:10-12:15
2 stops32h 05m
$1,692
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 27/5
10:15-16:55
1 stop39h 40m
London Heathrow
Tue 9/6
19:50-12:15
2 stops55h 25m
$1,692
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 6/5
10:15-16:55
1 stop39h 40m
London Heathrow
Tue 19/5
19:50-12:15
2 stops55h 25m
$1,692
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 28/4
21:05-15:10
2 stops27h 05m
London Heathrow
Wed 20/5
16:45-19:10
2 stops41h 25m
$1,704
Flights are sorted by cheapest return flights first.
Deals found on 11/1
Showing 1-10 of 19 results
1
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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 9 January 2026.
To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 51 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 $1,200). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,828). 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 11 January 2026.
When flying from Sydney to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 11 January 2026.
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 18% of one-stop itineraries from Sydney to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to London Heathrow Airport?
Average return fare for one-stop flights from Sydney to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Chongqing (CKG) is the most affordable one-stop option, with an average return flight price of $1,205.
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 Perth (PER) have the shortest average one-way travel time for one-stop routes: 25h 09m.
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 Perth (PER) offer the fastest connection on this route, with an average stopover time of 2h 47m.
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 11 January 2026.
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 24 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?
Turkish Airlines can get you from Sydney to London Heathrow Airport in just under 34h 50m. 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 $1,121, 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 $1,127 and $1,229, 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 ($499), Tianjin Airlines ($514), and China Eastern ($560).
What are the cheapest flights from Sydney to London Heathrow Airport?
While on average a flight from Sydney to London Heathrow Airport is generally $7,782, our data shows the cheapest flight currently is $1,008. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,085 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, Universal Studios Singapore, and Merlion are currently the most popular points of interest in Singapore at the moment. Sentosa, Universal Studios Singapore, and Merlion can be visited by traveling about 21.6 km, 21.6 km, and 16.9 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $133 to make sightseeing during their stopover a little easier.
What are points of interest worth seeing during a stopover in Kuala Lumpur?
Berjaya Times Square, National Mosque of Malaysia, and Kuala Lumpur Tower are currently the most popular points of interest in Kuala Lumpur. Berjaya Times Square, National Mosque of Malaysia, and Kuala Lumpur Tower can be visited by travelling about 44.9 km, 44.8 km, and 46.0 km respectively from Kuala Lumpur Intl. Travellers in need of a car in Kuala Lumpur can hire one for about $51 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 Beijing least frequently. Seoul follows Beijing in terms of the least common stopover location on Sydney to London Heathrow Airport flights. Muscat 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 $1,200). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,828). 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
Dover
Braintree
Gatwick
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 11 January 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 January 2026.
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 11 January 2026.
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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