Cheap flights from Sydney to London Heathrow Airport from $804
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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
9 Jun — 16 Jun1
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 February or October, booked 51 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Sydney to Heathrow
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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 May 2026.
Tue 13/1016:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Thu 29/1019:20
LHR
-
SYD
1 stop35h 35m
Etihad Airways
Deal found 6/5$1,415
Thu 14/521:00
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Thu 21/514:45
LHR
-
SYD
1 stop41h 05m
Multiple Airlines
Deal found 9/5$1,416
Tue 28/719:40
SYD
-
LHR
1 stop31h 00m
Air China
Mon 24/820:25
LHR
-
SYD
1 stop33h 25m
Air China
Deal found 5/5$1,431
Thu 14/521:00
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Wed 27/514:45
LHR
-
SYD
1 stop41h 05m
Multiple Airlines
Deal found 8/5$1,445
Mon 8/620:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Mon 7/921:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 5/5$1,452
Tue 9/621:00
SYD
-
LHR
1 stop31h 30m
Multiple Airlines
Tue 16/614:45
LHR
-
SYD
1 stop41h 05m
Multiple Airlines
Deal found 8/5$1,455
Fri 24/719:40
SYD
-
LHR
1 stop33h 45m
Air China
Fri 21/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 5/5$1,459
Fri 8/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Thu 21/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 6/5$1,460
Mon 8/611:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Wed 10/621:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 8/5$1,462
Fri 24/719:40
SYD
-
LHR
1 stop33h 45m
Air China
Fri 14/820:25
LHR
-
SYD
1 stop33h 25m
Air China
Deal found 4/5$1,463
Fri 8/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Sun 24/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 6/5$1,464
Tue 12/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Wed 27/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 5/5$1,466
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 10 May 2026.
Mon 1/609:30
SYD
-
LHR
1 stop37h 50m
Asiana Airlines
Mon 22/616:35
LHR
-
SYD
1 stop41h 50m
Asiana Airlines
Deal found 6/5$1,816
Mon 21/910:15
SYD
-
LHR
1 stop40h 35m
Vietnam Airlines
Tue 13/1019:50
LHR
-
SYD
1 stop27h 25m
Vietnam Airlines
Deal found 9/5$2,020
Sun 11/1010:15
SYD
-
LHR
2 stops42h 55m
Oman Air
Mon 26/1008:25
LHR
-
SYD
2 stops25h 10m
Oman Air
Deal found 9/5$2,191
Tue 9/607:20
SYD
-
LHR
3 stops35h 30m
Multiple Airlines
Wed 24/606:30
LHR
-
SYD
2 stops27h 40m
Multiple Airlines
Deal found 9/5$2,289
Sat 5/914:50
SYD
-
LHR
1 stop24h 35m
Qatar Airways
Sat 26/918:55
LHR
-
SYD
1 stop37h 15m
Qatar Airways
Deal found 6/5$2,395
Sun 21/620:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Thu 16/721:20
LHR
-
SYD
3 stops49h 40m
China Eastern
Deal found 9/5$2,740
Sun 23/821:00
SYD
-
LHR
1 stop26h 20m
Asiana Airlines
Sun 11/1016:35
LHR
-
SYD
1 stop41h 30m
Asiana Airlines
Deal found 6/5$2,022
Tue 16/614:35
SYD
-
LHR
2 stops28h 15m
Multiple Airlines
Thu 25/618:30
LHR
-
SYD
2 stops26h 55m
Multiple Airlines
Deal found 7/5$2,648
Sat 29/810:15
SYD
-
LHR
2 stops63h 50m
Vietnam Airlines
Tue 22/919:50
LHR
-
SYD
1 stop27h 25m
Vietnam Airlines
Deal found 5/5$2,666
Sat 29/822:10
SYD
-
LHR
2 stops41h 20m
Oman Air
Sat 26/920:50
LHR
-
SYD
2 stops38h 40m
Oman Air
Deal found 5/5$2,746
Sun 30/810:15
SYD
-
LHR
2 stops39h 50m
Vietnam Airlines
Thu 24/918:55
LHR
-
SYD
1 stop28h 20m
Vietnam Airlines
Deal found 5/5$3,063
Sat 27/614:50
SYD
-
LHR
1 stop24h 35m
Qatar Airways
Fri 10/721:55
LHR
-
SYD
1 stop23h 15m
Qatar Airways
Deal found 5/5$3,813
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 10 May 2026.
Tue 13/1015:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Mon 23/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 7/5$2,075
Thu 5/1116:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Tue 10/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 5/5$2,091
Sun 18/1015:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Sun 8/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 9/5$2,093
Sat 24/1015:45
SYD
-
LHR
Nonstop25h 30m
Qantas Airways
Sun 8/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 6/5$2,102
Mon 2/1116:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Fri 20/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 6/5$2,107
Fri 23/1015:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Fri 13/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 6/5$2,144
Sun 25/1016:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Sun 1/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 7/5$2,148
Fri 16/1015:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Sun 1/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 5/5$2,208
Sat 10/1015:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Sat 31/1020:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 4/5$2,244
Mon 2/1116:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Mon 16/1120:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 9/5$2,253
Fri 16/1015:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Sat 31/1020:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 5/5$2,288
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 10 May 2026 and is based on user searches.
Fri 8/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Thu 21/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 6/5$1,460
Fri 8/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Sun 24/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 6/5$1,464
Sat 9/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Wed 13/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 8/5$1,469
Tue 12/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Wed 27/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 5/5$1,466
Tue 12/507:55
SYD
-
LHR
1 stop39h 25m
Multiple Airlines
Tue 26/516:35
LHR
-
SYD
1 stop28h 45m
Multiple Airlines
Deal found 5/5$1,470
Thu 14/521:00
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Thu 21/514:45
LHR
-
SYD
1 stop41h 05m
Multiple Airlines
Deal found 9/5$1,416
Thu 14/521:00
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Wed 27/514:45
LHR
-
SYD
1 stop41h 05m
Multiple Airlines
Deal found 8/5$1,445
Sat 6/610:00
SYD
-
LHR
2 stops41h 40m
China Eastern
Sat 13/621:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 9/5$1,467
Mon 8/620:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Mon 7/921:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 5/5$1,452
Mon 8/611:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Wed 10/621:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 8/5$1,462
Tue 9/621:00
SYD
-
LHR
1 stop31h 30m
Multiple Airlines
Tue 16/614:45
LHR
-
SYD
1 stop41h 05m
Multiple Airlines
Deal found 8/5$1,455
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 10 May 2026.
Tue 16/611:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Deal found 9/5$804
Thu 23/721:00
SYD
-
LHR
2 stops31h 30m
Hainan Airlines
Deal found 4/5$807
Sun 7/610:15
SYD
-
LHR
3 stops53h 45m
Multiple Airlines
Deal found 5/5$809
Fri 22/510:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Deal found 4/5$811
Sat 18/714:15
SYD
-
LHR
1 stop36h 35m
Vietnam Airlines
Deal found 5/5$812
Tue 26/513:00
SYD
-
LHR
3 stops62h 00m
Multiple Airlines
Deal found 8/5$815
Sun 21/620:35
SYD
-
LHR
2 stops43h 20m
Multiple Airlines
Deal found 6/5$816
Fri 15/520:35
SYD
-
LHR
2 stops43h 20m
Multiple Airlines
Deal found 5/5$818
Sun 31/520:35
SYD
-
LHR
2 stops51h 45m
Multiple Airlines
Deal found 6/5$819
Thu 11/613:00
SYD
-
LHR
2 stops40h 25m
Multiple Airlines
Deal found 9/5$820
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 10 May 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 10 May 2026.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 1/6
09:30-14:20
1 stop37h 50m
London Heathrow
Mon 22/6
16:35-19:25
1 stop41h 50m
$1,816
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 21/9
10:15-17:50
1 stop40h 35m
London Heathrow
Tue 13/10
19:50-09:15
1 stop27h 25m
$2,020
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 23/8
21:00-14:20
1 stop26h 20m
London Heathrow
Sun 11/10
16:35-20:05
1 stop41h 30m
$2,022
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 11/10
10:15-19:10
2 stops42h 55m
London Heathrow
Mon 26/10
08:25-20:35
2 stops25h 10m
$2,191
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 9/6
07:20-09:50
3 stops35h 30m
London Heathrow
Wed 24/6
06:30-19:10
2 stops27h 40m
$2,289
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 5/9
14:50-06:25
1 stop24h 35m
London Heathrow
Sat 26/9
18:55-17:10
1 stop37h 15m
$2,395
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 16/6
14:35-09:50
2 stops28h 15m
London Heathrow
Thu 25/6
18:30-06:25
2 stops26h 55m
$2,648
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 29/8
10:15-17:05
2 stops63h 50m
London Heathrow
Tue 22/9
19:50-08:15
1 stop27h 25m
$2,666
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 21/6
20:30-18:40
1 stop31h 10m
London Heathrow
Thu 16/7
21:20-08:00
3 stops49h 40m
$2,740
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 29/8
22:10-06:30
2 stops41h 20m
London Heathrow
Sat 26/9
20:50-20:30
2 stops38h 40m
$2,746
Flights are sorted by cheapest return flights first.
Deals found on 9/5
Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3
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.
SYD-LHR
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?
To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 50 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, February is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,487). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $2,402). 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 10 May 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 10 May 2026.
The most flights from SYD to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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.
Abu Dhabi (AUH) – chosen by Cheapflights users on 20% 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.
Haikou (HAK) is the most affordable one-stop option, with an average return flight price of $1,659.
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 Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 24h 51m.
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 36m.
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 10 May 2026.
Read through reviews of airlines operating flights from Sydney to London Heathrow Airport, such as Singapore Airlines,Emirates, andCathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
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 2 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?
Asiana Airlines, Vietnam Airlines, and Oman Air can get you from Sydney to London Heathrow Airport in just under 37h 50m. Your travel time can differ by up to 5h 05m. 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 $926, 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 Virgin Australia - these airlines can fly you to your destination from $983 and $1,020, respectively. Air China is 49% 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 Hainan Airlines ($356), Air China ($517), and China Southern ($539).
What are the cheapest flights from Sydney to London Heathrow Airport?
While on average a flight from Sydney to London Heathrow Airport is generally $7,438, our data shows the cheapest flight currently is $1,938. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,280 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. Dubai 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 $133 to make sightseeing during their stopover a little easier.
What are points of interest worth seeing during a stopover in Dubai?
Dubai Mall, Gold Souq, and Burj Khalifa are currently the most popular points of interest in Dubai. Dubai Mall, Gold Souq, and Burj Khalifa can be visited by travelling about 10.5 km, 6.8 km, and 11.0 km respectively from Dubai Intl. Travellers in need of a car in Dubai can hire one for about $31 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. Istanbul 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, February is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,487). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $2,402). 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
Hounslow
Kingston upon Thames
Salisbury
Horsham
Chatham
Dover
Aylesbury
Luton
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 10 May 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 May 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 10 May 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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