Cheap flights from Sydney to London Heathrow Airport from $769
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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
27 Jan — 3 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 Thursday
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 28 December 2025.
Sun 28/1220:40SYD - LHR
1 stop32h 10mAir China
Sat 17/120:25LHR - SYD
1 stop32h 05mAir China
Deal found 26/12$1,808
Sun 28/1220:40SYD - LHR
1 stop32h 10mAir China
Wed 14/117:40LHR - SYD
1 stop34h 50mAir China
Deal found 27/12$1,809
Sun 28/1220:40SYD - LHR
1 stop32h 10mAir China
Fri 6/217:40LHR - SYD
1 stop31h 20mAir China
Deal found 27/12$1,875
Sun 28/1220:40SYD - LHR
1 stop30h 15mMultiple Airlines
Wed 14/117:40LHR - SYD
2 stops38h 45mMultiple Airlines
Deal found 26/12$1,888
Tue 30/1220:40SYD - LHR
1 stop32h 10mAir China
Tue 13/120:25LHR - SYD
1 stop32h 05mAir China
Deal found 26/12$1,914
Tue 30/1210:45SYD - LHR
3 stops38h 05mMultiple Airlines
Sun 8/222:15LHR - SYD
2 stops33h 35mMultiple Airlines
Deal found 27/12$1,949
Tue 30/1210:45SYD - LHR
3 stops38h 05mMultiple Airlines
Tue 10/206:30LHR - SYD
3 stops41h 10mMultiple Airlines
Deal found 27/12$1,955
Wed 31/1220:40SYD - LHR
1 stop30h 15mAir China
Wed 14/120:25LHR - SYD
1 stop32h 05mAir China
Deal found 27/12$1,960
Sun 28/1220:40SYD - LHR
1 stop32h 10mAir China
Sun 8/220:25LHR - SYD
1 stop32h 05mAir China
Deal found 27/12$1,966
Mon 29/1208:10SYD - LHR
2 stops44h 20mMultiple Airlines
Tue 20/121:00LHR - SYD
1 stop29h 35mMultiple Airlines
Deal found 27/12$1,984
Sun 28/1220:40SYD - LHR
1 stop32h 10mAir China
Tue 10/222:10LHR - SYD
2 stops54h 20mAir China
Deal found 27/12$1,985
Sun 28/1221:30SYD - LHR
1 stop31h 00mChina Eastern
Thu 1/121:00LHR - SYD
1 stop26h 00mChina Eastern
Deal found 27/12$2,006
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 28 December 2025.
Mon 2/321:45SYD - LHR
1 stop31h 25mEtihad Airways
Fri 20/308:50LHR - SYD
1 stop22h 05mEtihad Airways
Deal found 26/12$1,653
Sun 8/321:15SYD - LHR
2 stops27h 15mTurkish Airlines
Wed 11/322:35LHR - SYD
2 stops33h 45mTurkish Airlines
Deal found 25/12$1,676
Sat 7/321:15SYD - LHR
2 stops29h 55mTurkish Airlines
Tue 17/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 26/12$1,677
Fri 6/321:15SYD - LHR
2 stops27h 55mTurkish Airlines
Sun 22/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 26/12$1,677
Sat 7/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Mon 16/316:35LHR - SYD
2 stops39h 45mTurkish Airlines
Deal found 26/12$1,677
Fri 6/321:15SYD - LHR
2 stops27h 55mTurkish Airlines
Wed 18/319:55LHR - SYD
2 stops36h 25mTurkish Airlines
Deal found 26/12$1,677
Sun 22/221:15SYD - LHR
2 stops29h 45mTurkish Airlines
Mon 2/318:00LHR - SYD
2 stops38h 20mTurkish Airlines
Deal found 26/12$1,677
Mon 16/321:15SYD - LHR
2 stops30h 40mTurkish Airlines
Sat 28/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 27/12$1,677
Sat 21/212:45SYD - LHR
2 stops32h 10mTurkish Airlines
Wed 11/322:35LHR - SYD
2 stops33h 45mTurkish Airlines
Deal found 26/12$1,738
Sat 21/212:45SYD - LHR
2 stops38h 25mTurkish Airlines
Sat 28/206:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 26/12$1,738
Sat 21/212:45SYD - LHR
2 stops32h 10mTurkish Airlines
Mon 9/317:45LHR - SYD
2 stops38h 35mTurkish Airlines
Deal found 26/12$1,738
Tue 3/322:15SYD - LHR
2 stops33h 50mTurkish Airlines
Sun 22/306:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 26/12$1,740
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 28 December 2025.
Tue 10/316:20SYD - LHR
Nonstop24h 25mBritish Airways
Tue 17/321:00LHR - SYD
Nonstop22h 55mBritish Airways
Deal found 27/12$1,702
Mon 9/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Mon 16/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 26/12$1,906
Mon 2/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Mon 16/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 26/12$1,908
Tue 10/216:20SYD - LHR
Nonstop24h 25mBritish Airways
Tue 17/221:00LHR - SYD
Nonstop22h 55mBritish Airways
Deal found 27/12$1,924
Tue 24/316:15SYD - LHR
Nonstop25h 00mQantas Airways
Tue 28/420:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 26/12$1,934
Mon 4/514:45SYD - LHR
Nonstop24h 50mQantas Airways
Sun 7/620:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 26/12$1,937
Mon 11/514:45SYD - LHR
Nonstop24h 50mQantas Airways
Mon 15/620:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 27/12$1,939
Fri 27/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Thu 12/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 27/12$1,943
Sat 17/116:15SYD - LHR
Nonstop25h 00mQantas Airways
Tue 26/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 25/12$1,970
Wed 29/414:45SYD - LHR
Nonstop24h 50mQantas Airways
Fri 22/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 26/12$1,975
Fri 30/116:15SYD - LHR
Nonstop25h 00mQantas Airways
Fri 20/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 27/12$1,979
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 28 December 2025 and is based on user searches.
Tue 13/120:40SYD - LHR
1 stop32h 10mMultiple Airlines
Sun 18/121:10LHR - SYD
2 stops36h 25mMultiple Airlines
Deal found 26/12$1,632
Tue 13/120:40SYD - LHR
1 stop32h 10mMultiple Airlines
Tue 20/122:00LHR - SYD
2 stops35h 35mMultiple Airlines
Deal found 26/12$1,668
Wed 21/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Wed 4/208:50LHR - SYD
2 stops34h 25mMultiple Airlines
Deal found 26/12$1,635
Wed 21/116:35SYD - LHR
1 stop25h 05mEtihad Airways
Wed 18/208:50LHR - SYD
1 stop22h 05mEtihad Airways
Deal found 26/12$1,667
Sun 25/121:30SYD - LHR
1 stop31h 00mMultiple Airlines
Wed 4/208:50LHR - SYD
2 stops34h 25mMultiple Airlines
Deal found 27/12$1,634
Sun 25/114:00SYD - LHR
2 stops29h 45mMultiple Airlines
Sun 1/221:00LHR - SYD
1 stop29h 35mMultiple Airlines
Deal found 26/12$1,655
Mon 26/112:00SYD - LHR
1 stop40h 30mChina Eastern
Mon 9/221:00LHR - SYD
1 stop26h 00mChina Eastern
Deal found 26/12$1,665
Tue 27/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Wed 4/208:50LHR - SYD
2 stops34h 25mMultiple Airlines
Deal found 27/12$1,638
Tue 27/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Thu 5/221:00LHR - SYD
1 stop22h 30mMultiple Airlines
Deal found 27/12$1,641
Thu 29/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Wed 4/221:00LHR - SYD
2 stops37h 55mMultiple Airlines
Deal found 27/12$1,662
Fri 30/120:40SYD - LHR
1 stop32h 10mMultiple Airlines
Fri 20/208:50LHR - SYD
2 stops34h 25mMultiple Airlines
Deal found 27/12$1,661
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 28 December 2025.
Tue 24/316:15SYD - LHR
2 stops33h 40mMultiple Airlines
Deal found 26/12$769
Wed 25/213:35SYD - LHR
3 stops35h 10mMultiple Airlines
Deal found 26/12$771
Fri 20/221:45SYD - LHR
1 stop27h 45mEtihad Airways
Deal found 26/12$772
Tue 3/313:35SYD - LHR
3 stops35h 10mMultiple Airlines
Deal found 26/12$775
Thu 22/121:00SYD - LHR
2 stops31h 35mHainan Airlines
Deal found 26/12$778
Fri 19/610:15SYD - LHR
2 stops42h 35mMultiple Airlines
Deal found 26/12$780
Sun 19/420:50SYD - LHR
2 stops33h 10mMultiple Airlines
Deal found 27/12$781
Sun 15/212:00SYD - LHR
3 stops36h 00mMultiple Airlines
Deal found 26/12$783
Sun 18/120:05SYD - LHR
3 stops33h 05mMultiple Airlines
Deal found 27/12$784
Tue 19/520:50SYD - LHR
2 stops33h 10mMultiple Airlines
Deal found 27/12$786
Thu 15/121:30SYD - LHR
3 stops44h 10mMultiple Airlines
Deal found 26/12$787
Sun 1/320:05SYD - LHR
2 stops45h 35mMultiple Airlines
Deal found 26/12$789
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 28 December 2025.
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 28 December 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
Mon 2/3
21:45-18:10
1 stop31h 25m
London Heathrow
Fri 20/3
08:50-17:55
1 stop22h 05m
$1,653
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 8/3
21:15-13:30
2 stops27h 15m
London Heathrow
Wed 11/3
22:35-19:20
2 stops33h 45m
$1,676
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 7/3
21:15-16:10
2 stops29h 55m
London Heathrow
Tue 17/3
06:35-19:20
2 stops25h 45m
$1,677
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 6/3
21:15-14:10
2 stops27h 55m
London Heathrow
Sun 22/3
06:35-19:20
2 stops25h 45m
$1,677
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 7/3
21:15-14:55
2 stops28h 40m
London Heathrow
Mon 16/3
16:35-19:20
2 stops39h 45m
$1,677
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 6/3
21:15-14:10
2 stops27h 55m
London Heathrow
Wed 18/3
19:55-19:20
2 stops36h 25m
$1,677
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 22/2
21:15-16:00
2 stops29h 45m
London Heathrow
Mon 2/3
18:00-19:20
2 stops38h 20m
$1,677
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 16/3
21:15-16:55
2 stops30h 40m
London Heathrow
Sat 28/3
06:35-19:20
2 stops25h 45m
$1,677
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 21/2
12:45-09:55
2 stops32h 10m
London Heathrow
Wed 11/3
22:35-19:20
2 stops33h 45m
$1,738
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 21/2
12:45-16:10
2 stops38h 25m
London Heathrow
Sat 28/2
06:35-19:20
2 stops25h 45m
$1,738
Flights are sorted by cheapest return flights first.
Deals found on 26/12
Showing 1-10 of 21 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 26 December 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 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 $1,199). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,832). 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 28 December 2025.
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.
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 28 December 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 19% 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 $1,200.
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 11m.
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 Istanbul (IST) offer the fastest connection on this route, with an average stopover time of 2h 56m.
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 28 December 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 25 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?
Etihad Airways and Turkish Airlines can get you from Sydney to London Heathrow Airport in just under 27h 15m. Your travel time can differ by up to 4h 10m. Airlines will cover a distance of 17008 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?
Currently priced at $1,126, Air China will fly you from Sydney to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and China Eastern - these airlines can fly you to your destination from $1,134 and $1,228, respectively. Air China 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 ($496), Tianjin Airlines ($512), and China Southern ($564).
What are the cheapest flights from Sydney to London Heathrow Airport?
While on average a flight from Sydney to London Heathrow Airport is generally $7,767, our data shows the cheapest flight currently is $1,133. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $926 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 Universal Studios Singapore are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Universal Studios Singapore can be visited by traveling about 21.6 km, 16.9 km, and 21.6 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $132 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, Petronas Towers, and National Mosque of Malaysia are currently the most popular points of interest in Kuala Lumpur. Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia can be visited by travelling about 44.9 km, 46.6 km, and 44.8 km respectively from Kuala Lumpur Intl. Travellers in need of a car in Kuala Lumpur can hire one for about $44 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 $1,199). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,832). 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
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 28 December 2025.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 December 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 28 December 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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