Cheap flights from Sydney to London Heathrow Airport from $641
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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
29 Sep — 6 Oct1
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 November, booked 51 days in advance, depart on a Monday or Sunday and return on a Monday
Cheap flight deals from Sydney to Heathrow
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 30 August 2026.
Mon 19/1011:00 -
2 stops41h 40m
Tue 3/1121:00 -
2 stops49h 05m
Deal found 25/8$1,432
Mon 28/920:50 -
1 stop24h 55m
Fri 13/1121:00 -
1 stop29h 35m
Deal found 26/8$1,433
Thu 22/1020:40 -
1 stop33h 45m
Wed 4/1117:40 -
1 stop27h 25m
Deal found 28/8$1,435
Sun 1/1115:15 -
1 stop38h 20m
Mon 9/1122:00 -
1 stop35h 20m
Deal found 24/8$1,436
Thu 22/1021:00 -
2 stops32h 30m
Wed 4/1121:00 -
1 stop29h 35m
Deal found 27/8$1,437
Fri 6/1115:15 -
1 stop38h 20m
Mon 16/1122:00 -
1 stop28h 35m
Deal found 28/8$1,439
Thu 5/1112:10 -
2 stops40h 20m
Mon 23/1121:00 -
3 stops73h 05m
Deal found 25/8$1,440
Thu 22/1011:00 -
2 stops41h 40m
Wed 4/1121:00 -
1 stop29h 35m
Deal found 26/8$1,443
Thu 1/1010:00 -
2 stops41h 40m
Mon 19/1021:20 -
1 stop30h 15m
Deal found 27/8$1,444
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 30 August 2026.
Tue 13/1022:05 -
2 stops28h 35m
Tue 20/1018:30 -
2 stops39h 40m
Deal found 29/8$1,609
Fri 18/920:35 -
1 stop31h 25m
Sat 3/1013:15 -
1 stop44h 50m
Deal found 25/8$1,989
Wed 16/910:15 -
1 stop39h 40m
Tue 29/919:50 -
1 stop27h 25m
Deal found 26/8$2,008
Thu 8/1022:20 -
1 stop29h 50m
Thu 29/1011:00 -
2 stops34h 05m
Deal found 27/8$2,015
Fri 4/912:45 -
2 stops39h 25m
Mon 7/920:50 -
2 stops51h 50m
Deal found 29/8$2,349
Thu 15/1022:05 -
2 stops28h 35m
Tue 20/1018:30 -
2 stops39h 40m
Deal found 27/8$1,617
Fri 9/1022:05 -
2 stops47h 35m
Wed 28/1016:30 -
2 stops39h 55m
Deal found 28/8$1,633
Fri 23/1022:05 -
2 stops28h 35m
Fri 30/1006:25 -
2 stops26h 00m
Deal found 24/8$1,859
Tue 8/922:10 -
2 stops30h 00m
Sun 27/920:50 -
2 stops28h 30m
Deal found 25/8$2,360
Wed 9/912:45 -
2 stops39h 25m
Mon 5/1020:50 -
2 stops51h 50m
Deal found 24/8$2,532
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 30 August 2026.
Mon 2/1116:20 -
Nonstop24h 05m
Sun 8/1121:00 -
Nonstop22h 55m
Deal found 24/8$1,852
Thu 5/1116:20 -
Nonstop24h 05m
Thu 19/1121:00 -
Nonstop22h 55m
Deal found 26/8$1,877
Wed 14/1015:35 -
Nonstop24h 00m
Wed 28/1021:00 -
Nonstop22h 55m
Deal found 29/8$1,931
Mon 2/1116:20 -
Nonstop24h 05m
Mon 16/1121:00 -
Nonstop22h 55m
Deal found 29/8$1,943
Mon 23/1116:20 -
Nonstop24h 05m
Wed 25/1121:00 -
Nonstop22h 55m
Deal found 24/8$1,947
Mon 9/1116:20 -
Nonstop24h 05m
Thu 19/1121:00 -
Nonstop22h 55m
Deal found 25/8$1,950
Mon 2/1116:20 -
Nonstop24h 05m
Fri 20/1121:00 -
Nonstop22h 55m
Deal found 27/8$1,952
Wed 21/1015:35 -
Nonstop24h 00m
Sat 21/1121:00 -
Nonstop22h 55m
Deal found 26/8$1,955
Tue 27/1016:20 -
Nonstop24h 05m
Wed 11/1121:00 -
Nonstop22h 55m
Deal found 28/8$1,957
Tue 20/1015:35 -
Nonstop24h 00m
Fri 20/1121:00 -
Nonstop22h 55m
Deal found 24/8$1,959
Mon 2/1116:20 -
Nonstop24h 05m
Sun 15/1121:00 -
Nonstop22h 55m
Deal found 24/8$1,961
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 30 August 2026 and is based on user searches.
Fri 4/910:05 -
3 stops65h 35m
Fri 18/921:20 -
3 stops73h 45m
Deal found 24/8$1,472
Sun 6/920:30 -
1 stop31h 10m
Wed 16/921:20 -
1 stop30h 15m
Deal found 25/8$1,464
Mon 7/911:00 -
1 stop40h 40m
Sun 13/921:20 -
2 stops49h 40m
Deal found 25/8$1,456
Mon 7/911:00 -
1 stop40h 40m
Sat 6/321:00 -
1 stop29h 35m
Deal found 25/8$1,458
Tue 8/921:00 -
1 stop31h 30m
Sun 27/921:20 -
2 stops49h 40m
Deal found 25/8$1,446
Tue 8/911:00 -
1 stop40h 40m
Tue 29/921:20 -
1 stop26h 40m
Deal found 25/8$1,475
Wed 9/920:30 -
1 stop31h 10m
Sun 13/921:20 -
1 stop26h 40m
Deal found 26/8$1,463
Thu 10/921:00 -
2 stops31h 30m
Mon 14/921:00 -
2 stops48h 25m
Deal found 27/8$1,454
Mon 21/920:35 -
1 stop32h 25m
Mon 28/909:45 -
1 stop24h 20m
Deal found 28/8$1,465
Mon 28/920:50 -
1 stop24h 55m
Fri 13/1121:00 -
1 stop29h 35m
Deal found 26/8$1,433
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 30 August 2026.
Tue 3/1121:00 -
1 stop30h 20m
Deal found 29/8$641
Mon 5/1021:35 -
1 stop25h 10m
Deal found 27/8$643
Sat 10/1021:35 -
1 stop31h 10m
Deal found 25/8$646
Tue 20/1021:00 -
1 stop32h 30m
Deal found 25/8$648
Tue 13/1021:00 -
1 stop32h 30m
Deal found 29/8$649
Tue 8/911:00 -
1 stop40h 40m
Deal found 26/8$650
Sun 6/911:00 -
1 stop40h 40m
Deal found 24/8$652
Tue 20/1016:10 -
2 stops37h 10m
Deal found 28/8$656
Wed 30/915:40 -
1 stop30h 05m
Deal found 27/8$661
Fri 2/1020:30 -
1 stop31h 10m
Deal found 27/8$667
Mon 12/1012:00 -
1 stop40h 40m
Deal found 27/8$668
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 30 August 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 7,457,451 searches. Data last updated 30 August 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 Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Tue 13/10
22:05-16:40
2 stops28h 35m
London Heathrow
Tue 20/10
18:30-20:10
2 stops39h 40m
$1,609
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Thu 15/10
22:05-16:40
2 stops28h 35m
London Heathrow
Tue 20/10
18:30-20:10
2 stops39h 40m
$1,617
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 9/10
22:05-11:40
2 stops47h 35m
London Heathrow
Wed 28/10
16:30-19:25
2 stops39h 55m
$1,633
Fastest return journey
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 23/10
22:05-16:40
2 stops28h 35m
London Heathrow
Fri 30/10
06:25-19:25
2 stops26h 00m
$1,859
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 18/9
20:35-19:00
1 stop31h 25m
London Heathrow
Sat 3/10
13:15-19:05
1 stop44h 50m
$1,989
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Wed 16/9
10:15-16:55
1 stop39h 40m
London Heathrow
Tue 29/9
19:50-08:15
1 stop27h 25m
$2,008
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Thu 8/10
22:20-18:10
1 stop29h 50m
London Heathrow
Thu 29/10
11:00-08:05
2 stops34h 05m
$2,015
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 4/9
12:45-19:10
2 stops39h 25m
London Heathrow
Mon 7/9
20:50-09:40
2 stops51h 50m
$2,349
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Tue 8/9
22:10-19:10
2 stops30h 00m
London Heathrow
Sun 27/9
20:50-10:20
2 stops28h 30m
$2,360
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Wed 9/9
12:45-19:10
2 stops39h 25m
London Heathrow
Mon 5/10
20:50-10:40
2 stops51h 50m
$2,532
Flights are sorted by cheapest return flights first.
Deals found on 27/8
Showing 1-10 of 18 resultsSorted by cheapest first
1
2
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 $1,536). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $2,622). 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 30 August 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?
Airfare is below average for this route at the moment.
Sydney to London Heathrow Airport flights typically cost between $1,863 and $2,534 in October.The cheapest return price found within the last 5 days was $1,432 on China Eastern (19 Oct–3 Nov).
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 30 August 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 23% 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 $1,679.
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: 23h 56m.
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 18m.
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 30 August 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 23 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 28h 35m. 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 $912, 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 $952 and $1,032, respectively. Air China is 52% 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 ($367), Air China ($417), and China Eastern ($498).
What are the cheapest flights from Sydney to London Heathrow Airport?
While on average a flight from Sydney to London Heathrow Airport is generally $6,094, our data shows the cheapest flight currently is $1,581. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,298 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 Abu Dhabi. Abu Dhabi is followed by Singapore in terms of the most popular stopover location on flights from Sydney to London Heathrow Airport. Doha sees the third most stopovers on flights from Sydney to London Heathrow Airport.
What are some popular points of interest to see during a stopover in Singapore?
Sentosa, Universal Studios Singapore, and Merlion are the most popular attractions in Singapore if you're in need of something to do during your stopover. Sentosa, Universal Studios Singapore, and Merlion can be accessed by travelling approximately 21.6 km, 21.6 km, and 16.9 km, respectively from Singapore Changi. Travellers can book a car hire at Singapore Changi for about $132 per day to make their sightseeing more efficient.
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 Guangzhou least frequently. Beijing follows Guangzhou in terms of the least common stopover location on Sydney to London Heathrow Airport flights. Bangkok 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 $1,536). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $2,622). 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
Milton Keynes
Kingston upon Thames
Salisbury
St. Albans
Luton
Horsham
Brentford
Dover
Aylesbury
Guildford
Stansted
Braintree
Gatwick
Uxbridge
Chertsey
Twickenham
Orpington
Teddington
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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 30 August 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 August 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 7,457,451 searches. Data last updated 30 August 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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