Cheap flights from London Heathrow Airport to Sydney from $903
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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
15 Feb — 22 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Sydney Kingsford Smith are usually found in May or September, booked 30 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from Heathrow to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sydney (SYD). 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 16 January 2026.
Explore the most affordable flight options available from Heathrow to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.
Mon 2/221:00
LHR
-
SYD
2 stops36h 35m
Multiple Airlines
Thu 26/221:00
SYD
-
LHR
2 stops31h 35m
Multiple Airlines
Deal found 14/1$1,503
Sat 28/216:40
LHR
-
SYD
2 stops26h 55m
Turkish Airlines
Sat 7/321:45
SYD
-
LHR
2 stops29h 25m
Turkish Airlines
Deal found 14/1$1,505
Mon 19/121:30
LHR
-
SYD
2 stops35h 50m
China Southern
Mon 2/215:15
SYD
-
LHR
2 stops38h 20m
China Southern
Deal found 14/1$1,506
Sat 31/122:00
LHR
-
SYD
1 stop35h 20m
Multiple Airlines
Sun 15/217:00
SYD
-
LHR
3 stops35h 55m
Multiple Airlines
Deal found 16/1$1,508
Sat 21/216:35
LHR
-
SYD
2 stops27h 00m
Turkish Airlines
Sat 7/321:45
SYD
-
LHR
2 stops29h 25m
Turkish Airlines
Deal found 14/1$1,509
Tue 20/121:30
LHR
-
SYD
2 stops29h 05m
China Southern
Tue 10/211:25
SYD
-
LHR
2 stops42h 10m
China Southern
Deal found 14/1$1,511
Mon 19/121:30
LHR
-
SYD
2 stops35h 50m
China Southern
Mon 26/122:00
SYD
-
LHR
2 stops31h 35m
China Southern
Deal found 14/1$1,512
Sat 17/121:00
LHR
-
SYD
1 stop29h 35m
Multiple Airlines
Sat 31/115:15
SYD
-
LHR
1 stop38h 20m
Multiple Airlines
Deal found 15/1$1,514
Wed 20/521:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Sat 13/611:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Deal found 15/1$1,515
Sun 1/217:15
LHR
-
SYD
2 stops26h 20m
Multiple Airlines
Sun 8/321:15
SYD
-
LHR
2 stops27h 15m
Multiple Airlines
Deal found 15/1$1,517
Thu 22/121:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Thu 29/121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 15/1$1,518
Mon 2/221:30
LHR
-
SYD
2 stops47h 00m
Multiple Airlines
Mon 16/221:15
SYD
-
LHR
2 stops28h 40m
Multiple Airlines
Deal found 15/1$1,520
Best flights from Heathrow to Sydney
Discover carefully curated flight deals from Heathrow to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 January 2026.
Wed 18/221:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Wed 18/321:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 15/1$1,539
Tue 10/222:35
LHR
-
SYD
2 stops32h 20m
Turkish Airlines
Mon 16/321:45
SYD
-
LHR
2 stops28h 10m
Turkish Airlines
Deal found 15/1$1,544
Mon 13/409:30
LHR
-
SYD
1 stop22h 30m
Etihad Airways
Sun 26/415:40
SYD
-
LHR
1 stop32h 25m
Etihad Airways
Deal found 15/1$1,630
Wed 18/211:00
LHR
-
SYD
1 stop22h 50m
Multiple Airlines
Wed 18/315:15
SYD
-
LHR
2 stops30h 55m
Multiple Airlines
Deal found 14/1$1,822
Tue 17/221:00
LHR
-
SYD
3 stops47h 20m
China Eastern
Tue 10/309:20
SYD
-
LHR
3 stops43h 10m
China Eastern
Deal found 15/1$1,560
Wed 11/322:35
LHR
-
SYD
2 stops32h 20m
Turkish Airlines
Sun 15/316:35
SYD
-
LHR
2 stops34h 25m
Turkish Airlines
Deal found 14/1$1,584
Mon 23/320:55
LHR
-
SYD
1 stop22h 40m
Etihad Airways
Wed 15/415:40
SYD
-
LHR
1 stop36h 05m
Etihad Airways
Deal found 13/1$1,645
Tue 3/306:35
LHR
-
SYD
2 stops25h 45m
Turkish Airlines
Tue 24/321:45
SYD
-
LHR
2 stops28h 10m
Turkish Airlines
Deal found 14/1$1,725
Wed 8/422:35
LHR
-
SYD
2 stops35h 35m
Turkish Airlines
Sat 2/521:30
SYD
-
LHR
2 stops26h 40m
Turkish Airlines
Deal found 14/1$1,752
Wed 18/216:35
LHR
-
SYD
2 stops27h 00m
Turkish Airlines
Wed 18/321:15
SYD
-
LHR
2 stops27h 55m
Turkish Airlines
Deal found 15/1$1,760
Direct flights from Heathrow to Sydney
Explore direct flight options from Heathrow to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 January 2026.
Thu 5/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 17/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 16/1$1,666
Tue 24/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 17/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 14/1$1,671
Wed 18/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Thu 12/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 14/1$1,672
Mon 16/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 28/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 15/1$1,674
Tue 17/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 28/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 14/1$1,675
Wed 18/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Wed 15/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 15/1$1,680
Mon 4/520:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Mon 25/514:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 16/1$1,696
Mon 6/420:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Wed 15/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 15/1$1,701
Tue 7/420:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Tue 28/414:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 14/1$1,702
Wed 8/420:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Wed 13/514:45
SYD
-
LHR
Nonstop24h 50m
Qantas Airways
Deal found 14/1$1,704
Tue 17/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Tue 10/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Deal found 15/1$1,708
Last-minute flights from Heathrow to Sydney
Discover last-minute flight deals from Heathrow to Sydney. Data last updated 16 January 2026 and is based on user searches.
Wed 21/117:15
LHR
-
SYD
2 stops29h 10m
China Southern
Wed 28/122:00
SYD
-
LHR
2 stops30h 55m
China Southern
Deal found 15/1$1,593
Thu 22/121:00
LHR
-
SYD
1 stop29h 35m
Multiple Airlines
Sat 7/214:00
SYD
-
LHR
1 stop38h 50m
Multiple Airlines
Deal found 15/1$1,509
Thu 22/121:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Thu 5/212:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 14/1$1,512
Thu 22/121:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Thu 29/121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 15/1$1,518
Thu 22/121:00
LHR
-
SYD
3 stops47h 20m
China Eastern
Sat 7/213:30
SYD
-
LHR
3 stops63h 00m
China Eastern
Deal found 15/1$1,563
Sat 24/122:00
LHR
-
SYD
1 stop28h 35m
Multiple Airlines
Sat 14/221:45
SYD
-
LHR
3 stops55h 10m
Multiple Airlines
Deal found 14/1$1,578
Sat 24/122:00
LHR
-
SYD
1 stop35h 20m
China Southern
Fri 13/215:15
SYD
-
LHR
1 stop38h 20m
China Southern
Deal found 14/1$1,644
Sun 25/121:30
LHR
-
SYD
2 stops29h 05m
Multiple Airlines
Sun 8/221:15
SYD
-
LHR
2 stops27h 15m
Multiple Airlines
Deal found 15/1$1,538
Sun 25/121:00
LHR
-
SYD
1 stop22h 30m
China Eastern
Sun 8/212:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 14/1$1,639
Mon 26/121:00
LHR
-
SYD
2 stops51h 00m
China Eastern
Mon 9/213:30
SYD
-
LHR
2 stops39h 00m
China Eastern
Deal found 14/1$1,524
One-way flights from Heathrow to Sydney
Search for one-way flight options from Heathrow to Sydney. Find affordable one-way fares based on user searches. Data last updated 16 January 2026.
Mon 18/521:00
LHR
-
SYD
2 stops30h 35m
China Southern
Deal found 15/1$903
Mon 15/622:10
LHR
-
SYD
1 stop36h 30m
China Southern
Deal found 15/1$904
Tue 3/321:00
LHR
-
SYD
3 stops47h 20m
China Eastern
Deal found 15/1$907
Mon 2/221:00
LHR
-
SYD
3 stops71h 20m
China Eastern
Deal found 15/1$909
Fri 27/211:30
LHR
-
SYD
3 stops44h 20m
Multiple Airlines
Deal found 15/1$910
Sun 1/321:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Deal found 13/1$913
Mon 18/521:20
LHR
-
SYD
3 stops51h 25m
Multiple Airlines
Deal found 15/1$915
Wed 15/419:15
LHR
-
SYD
2 stops32h 20m
China Southern
Deal found 14/1$918
Mon 2/321:00
LHR
-
SYD
3 stops34h 50m
Multiple Airlines
Deal found 15/1$919
Thu 21/522:10
LHR
-
SYD
1 stop25h 15m
China Southern
Deal found 14/1$921
Mon 2/319:20
LHR
-
SYD
1 stop24h 15m
Etihad Airways
Deal found 15/1$925
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to Sydney 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 16 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.
Fly from
Heathrow
Fly to
Sydney
Route
Depart
Return
Price
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 18/2
21:00-13:35
1 stop29h 35m
Sydney Kingsford Smith
Wed 18/3
21:30-17:30
1 stop31h 00m
$1,539
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 10/2
22:35-17:55
2 stops32h 20m
Sydney Kingsford Smith
Mon 16/3
21:45-14:55
2 stops28h 10m
$1,544
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 17/2
21:00-07:20
3 stops47h 20m
Sydney Kingsford Smith
Tue 10/3
09:20-17:30
3 stops43h 10m
$1,560
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 11/3
22:35-17:55
2 stops32h 20m
Sydney Kingsford Smith
Sun 15/3
16:35-16:00
2 stops34h 25m
$1,584
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 13/4
09:30-17:00
1 stop22h 30m
Sydney Kingsford Smith
Sun 26/4
15:40-15:05
1 stop32h 25m
$1,630
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 23/3
20:55-06:35
1 stop22h 40m
Sydney Kingsford Smith
Wed 15/4
15:40-18:45
1 stop36h 05m
$1,645
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 3/3
06:35-19:20
2 stops25h 45m
Sydney Kingsford Smith
Tue 24/3
21:45-14:55
2 stops28h 10m
$1,725
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 8/4
22:35-19:10
2 stops35h 35m
Sydney Kingsford Smith
Sat 2/5
21:30-15:10
2 stops26h 40m
$1,752
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 18/2
16:35-06:35
2 stops27h 00m
Sydney Kingsford Smith
Wed 18/3
21:15-14:10
2 stops27h 55m
$1,760
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 18/2
11:00-20:50
1 stop22h 50m
Sydney Kingsford Smith
Wed 18/3
15:15-11:10
2 stops30h 55m
$1,822
Flights are sorted by cheapest return flights first.
Deals found on 15/1
Showing 1-10 of 21 results
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Best time to book a flight from Heathrow to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Heathrow 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 London Heathrow Airport to Sydney
Prices
Airlines
More
How far ahead should I book a flight from London Heathrow Airport to Sydney?
Use this chart to determine the optimal time to book a return flight from Heathrow to Sydney. Price data was last updated on 9 January 2026.
Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London Heathrow Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,028). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,627). 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 LHR to SYD?
Find hourly flight availability from Heathrow to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 January 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Sydney as you normally would.
How much does it cost for a return flight from London Heathrow Airport to Sydney?
Weekly flight availability from London Heathrow Airport to Sydney
Explore weekly flight availability from Heathrow to Sydney. 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 16 January 2026.
The most flights from LHR to SYD 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 London Heathrow Airport to Sydney?
Share of one-stop return flights from London Heathrow Airport to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 17% of one-stop itineraries from London Heathrow Airport to Sydney on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Sydney?
Average return fare for one-stop flights from London Heathrow Airport to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of $1,730.
What’s the fastest stopover option from London Heathrow Airport to Sydney?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 23h 15m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sydney?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 2h 13m.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 16 January 2026.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andEtihad Airways from London Heathrow Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Find useful and relevant information for your journey from Heathrow to Sydney. 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 into for flights to Sydney from London Heathrow?
Located just 7.5 km from the city centre, Sydney Kingsford Smith is the airport most travellers will use when flying to Sydney from London Heathrow. Booking flights from London Heathrow to Kingsford Smith (SYD) should be relatively easy as there are 3 daily inbound flights from London Heathrow from 14 different airlines.
How long is the flight from London Heathrow Airport to Sydney?
Departing from London Heathrow Airport to Sydney will take you 22h 30m. There are 17008 km between London Heathrow Airport and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London Heathrow Airport to Sydney round-trip?
Air China, at $1,040, was found to be the cheapest airline from London Heathrow Airport to Sydney.Alternate airlines to your destination round-trip include China Southern and China Eastern. Air China is 47% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Sydney one-way?
For one-way options, check prices for China Eastern. According to our data, you can fly for as low as $746. Users have also found prices from $751 and $782 on Air China and China Southern, respectively.
What are the cheapest flights from London Heathrow Airport to Sydney?
Looking for the cheapest flight from London Heathrow Airport to Sydney? While on average our users pay $2,121, our data indicates the cheapest price to be $1,319. The most popular route (London Heathrow - Sydney Kingsford Smith), is priced around $1,119.
Can I find deals for business class flights from Heathrow to Sydney?
Yes. Cheapflights offers flight deals from Heathrow to Sydney 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 London Heathrow Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,028). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,627). 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.
Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Terrigal
Katoomba
Manly
Lithgow
Coogee
Leura
Randwick
Cronulla
Bondi Beach
Browse thousands of different options on Cheapflights for your next trip
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Fly from Heathrow to Sydney on these airlines
Choose from the following airlines for your flight from Heathrow to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 16 January 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 16 January 2026.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 January 2026.
Discover the top 10 airlines that operate flights from Heathrow to Sydney. 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 16 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 Heathrow to Sydney?
Cheapflights helps you search for flights from Heathrow to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sydney?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Sydney.
Can Cheapflights find flights from Heathrow to Sydney with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Sydney flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Heathrow to Sydney become cheaper?
Of course! You can now track prices for flights from Heathrow to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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