Cheap flights from London Heathrow Airport to Sydney from $951
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
16 Jan — 23 Jan1
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 March, booked 90 days in advance, depart on a Thursday or Tuesday and return on a Monday
Cheap flight deals from Heathrow to Sydney
Enter your travel dates to find the best prices.
Cheapest flights from Heathrow to Sydney
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 17 December 2025.
Sun 28/1222:00LHR - SYD
1 stop24h 25mChina Southern
Sat 31/108:10SYD - LHR
1 stop45h 25mChina Southern
Deal found 15/12$1,564
Mon 22/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Thu 15/121:00SYD - LHR
2 stops31h 35mHainan Airlines
Deal found 15/12$1,576
Sun 28/1217:15LHR - SYD
2 stops26h 20mChina Southern
Thu 29/115:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 15/12$1,587
Fri 26/1220:25LHR - SYD
1 stop32h 05mAir China
Tue 20/120:40SYD - LHR
1 stop30h 15mAir China
Deal found 16/12$1,599
Wed 31/1217:15LHR - SYD
2 stops29h 10mChina Southern
Sat 31/111:25SYD - LHR
2 stops37h 35mChina Southern
Deal found 15/12$1,614
Fri 19/1213:20LHR - SYD
2 stops37h 15mMultiple Airlines
Wed 21/112:00SYD - LHR
2 stops38h 00mMultiple Airlines
Deal found 16/12$1,615
Mon 22/1221:00LHR - SYD
2 stops31h 20mMultiple Airlines
Wed 21/120:40SYD - LHR
2 stops34h 00mMultiple Airlines
Deal found 15/12$1,620
Sun 28/1222:00LHR - SYD
1 stop24h 25mChina Southern
Wed 28/122:00SYD - LHR
1 stop31h 35mChina Southern
Deal found 15/12$1,626
Wed 31/1221:00LHR - SYD
1 stop29h 35mChina Eastern
Thu 22/112:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 15/12$1,629
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Thu 15/121:00SYD - LHR
2 stops31h 35mHainan Airlines
Deal found 16/12$1,635
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 17 December 2025.
Tue 17/208:45LHR - SYD
1 stop23h 30mAir India
Tue 24/220:45SYD - LHR
1 stop34h 45mAir India
Deal found 15/12$1,606
Fri 1/521:10LHR - SYD
1 stop28h 35mChina Airlines
Thu 28/522:10SYD - LHR
1 stop27h 20mChina Airlines
Deal found 16/12$1,739
Wed 6/521:45LHR - SYD
1 stop23h 25mEtihad Airways
Wed 27/515:40SYD - LHR
1 stop24h 20mEtihad Airways
Deal found 16/12$1,802
Wed 14/117:15LHR - SYD
2 stops51h 15mChina Southern
Wed 21/115:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 16/12$1,823
Sun 1/222:00LHR - SYD
2 stops35h 15mMultiple Airlines
Tue 24/221:45SYD - LHR
1 stop25h 20mMultiple Airlines
Deal found 16/12$1,908
Thu 5/211:35LHR - SYD
2 stops31h 45mUnited Airlines
Tue 24/211:20SYD - LHR
2 stops34h 55mUnited Airlines
Deal found 15/12$1,941
Fri 30/115:20LHR - SYD
1 stop30h 45mUnited Airlines
Sat 21/211:50SYD - LHR
1 stop30h 40mUnited Airlines
Deal found 16/12$1,941
Sat 31/113:45LHR - SYD
1 stop29h 35mUnited Airlines
Mon 23/211:50SYD - LHR
1 stop30h 40mUnited Airlines
Deal found 16/12$1,941
Mon 26/111:35LHR - SYD
2 stops31h 45mUnited Airlines
Mon 16/211:20SYD - LHR
2 stops31h 10mUnited Airlines
Deal found 16/12$1,941
Sun 1/211:35LHR - SYD
2 stops31h 45mUnited Airlines
Fri 20/211:50SYD - LHR
1 stop30h 40mUnited Airlines
Deal found 16/12$1,941
Sat 31/110:05LHR - SYD
1 stop33h 15mUnited Airlines
Fri 20/212:10SYD - LHR
2 stops28h 45mUnited Airlines
Deal found 16/12$1,941
Mon 2/215:20LHR - SYD
1 stop30h 45mUnited Airlines
Tue 24/214:00SYD - LHR
1 stop28h 25mUnited Airlines
Deal found 16/12$1,941
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 17 December 2025.
Thu 9/420:50LHR - SYD
Nonstop23h 20mQantas Airways
Mon 27/414:45SYD - LHR
Nonstop24h 50mQantas Airways
Deal found 15/12$2,064
Sun 8/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Tue 24/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Deal found 16/12$2,090
Thu 19/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Tue 10/315:55SYD - LHR
Nonstop25h 20mQantas Airways
Deal found 16/12$2,119
Sun 19/420:50LHR - SYD
Nonstop23h 20mQantas Airways
Mon 4/514:45SYD - LHR
Nonstop24h 50mQantas Airways
Deal found 16/12$2,149
Sun 14/620:50LHR - SYD
Nonstop23h 20mQantas Airways
Sat 15/814:45SYD - LHR
Nonstop24h 50mQantas Airways
Deal found 16/12$2,170
Sun 24/520:50LHR - SYD
Nonstop23h 20mQantas Airways
Tue 16/614:45SYD - LHR
Nonstop24h 50mQantas Airways
Deal found 16/12$2,191
Thu 5/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Fri 20/315:55SYD - LHR
Nonstop25h 20mQantas Airways
Deal found 16/12$2,194
Sat 25/422:00LHR - SYD
Nonstop23h 05mBritish Airways
Sun 3/514:35SYD - LHR
Nonstop24h 00mBritish Airways
Deal found 15/12$2,197
Thu 5/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Thu 26/315:55SYD - LHR
Nonstop25h 20mQantas Airways
Deal found 16/12$2,254
Last-minute flights from Heathrow to Sydney
Discover last-minute flight deals from Heathrow to Sydney. Data last updated 17 December 2025 and is based on user searches.
Mon 22/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Thu 15/121:00SYD - LHR
2 stops31h 35mHainan Airlines
Deal found 15/12$1,576
Mon 22/1221:00LHR - SYD
2 stops31h 20mMultiple Airlines
Wed 21/120:40SYD - LHR
2 stops34h 00mMultiple Airlines
Deal found 15/12$1,620
Mon 22/1221:00LHR - SYD
2 stops31h 20mMultiple Airlines
Wed 14/120:40SYD - LHR
1 stop32h 10mMultiple Airlines
Deal found 15/12$1,651
Mon 22/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Fri 23/110:30SYD - LHR
1 stop42h 00mMultiple Airlines
Deal found 15/12$1,653
Mon 22/1217:40LHR - SYD
1 stop34h 50mAir China
Wed 21/120:40SYD - LHR
1 stop30h 15mAir China
Deal found 15/12$1,656
Mon 22/1217:40LHR - SYD
1 stop34h 50mAir China
Sun 25/114:00SYD - LHR
1 stop38h 50mAir China
Deal found 16/12$1,707
Wed 24/1219:45LHR - SYD
1 stop32h 35mMultiple Airlines
Sat 17/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Deal found 16/12$1,667
Thu 25/1222:00LHR - SYD
1 stop28h 35mMultiple Airlines
Thu 19/309:55SYD - LHR
1 stop44h 05mMultiple Airlines
Deal found 16/12$1,644
Thu 25/1220:15LHR - SYD
1 stop24h 00mCathay Pacific
Fri 6/215:15SYD - LHR
1 stop26h 15mCathay Pacific
Deal found 16/12$1,664
Fri 26/1220:25LHR - SYD
1 stop32h 05mAir China
Tue 20/120:40SYD - LHR
1 stop30h 15mAir China
Deal found 16/12$1,599
Fri 26/1220:25LHR - SYD
1 stop32h 05mAir China
Fri 23/120:40SYD - LHR
1 stop30h 15mAir China
Deal found 16/12$1,674
Fri 26/1222:00LHR - SYD
1 stop35h 20mChina Southern
Fri 23/122:00SYD - LHR
2 stops51h 00mChina Southern
Deal found 15/12$1,694
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 17 December 2025.
Mon 18/522:10LHR - SYD
2 stops36h 25mMultiple Airlines
Deal found 16/12$951
Wed 18/222:00LHR - SYD
2 stops45h 15mMultiple Airlines
Deal found 16/12$955
Thu 26/221:00LHR - SYD
1 stop22h 30mChina Eastern
Deal found 16/12$957
Fri 6/321:10LHR - SYD
2 stops50h 35mMultiple Airlines
Deal found 15/12$960
Tue 3/308:45LHR - SYD
1 stop23h 30mAir India
Deal found 16/12$961
Fri 20/321:00LHR - SYD
3 stops34h 50mMultiple Airlines
Deal found 15/12$963
Fri 1/522:00LHR - SYD
3 stops39h 20mMultiple Airlines
Deal found 16/12$964
Wed 24/1221:00LHR - SYD
2 stops51h 00mChina Eastern
Deal found 15/12$969
Thu 19/322:00LHR - SYD
1 stop35h 20mChina Southern
Deal found 16/12$972
Wed 4/221:10LHR - SYD
3 stops47h 20mMultiple Airlines
Deal found 15/12$976
Find 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 17 December 2025.
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 17 December 2025.
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
Tue 17/2
08:45-19:15
1 stop23h 30m
Sydney Kingsford Smith
Tue 24/2
20:45-20:30
1 stop34h 45m
$1,606
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Fri 1/5
21:10-10:45
1 stop28h 35m
Sydney Kingsford Smith
Thu 28/5
22:10-16:30
1 stop27h 20m
$1,739
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 6/5
21:45-06:10
1 stop23h 25m
Sydney Kingsford Smith
Wed 27/5
15:40-07:00
1 stop24h 20m
$1,802
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 14/1
17:15-07:30
2 stops51h 15m
Sydney Kingsford Smith
Wed 21/1
15:15-18:35
1 stop38h 20m
$1,823
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Sun 1/2
22:00-20:15
2 stops35h 15m
Sydney Kingsford Smith
Tue 24/2
21:45-12:05
1 stop25h 20m
$1,908
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Thu 5/2
11:35-06:20
2 stops31h 45m
Sydney Kingsford Smith
Tue 24/2
11:20-11:15
2 stops34h 55m
$1,941
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Fri 30/1
15:20-09:05
1 stop30h 45m
Sydney Kingsford Smith
Sat 21/2
11:50-07:30
1 stop30h 40m
$1,941
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Sat 31/1
13:45-06:20
1 stop29h 35m
Sydney Kingsford Smith
Mon 23/2
11:50-07:30
1 stop30h 40m
$1,941
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 26/1
11:35-06:20
2 stops31h 45m
Sydney Kingsford Smith
Mon 16/2
11:20-07:30
2 stops31h 10m
$1,941
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Sun 1/2
11:35-06:20
2 stops31h 45m
Sydney Kingsford Smith
Fri 20/2
11:50-07:30
1 stop30h 40m
$1,941
Flights are sorted by cheapest return flights first.
Deals found on 16/12
Showing 1-10 of 23 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 12 December 2025.
Booking 90 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 $1,035). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,659). 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 17 December 2025.
It’s optimal to fly from London Heathrow Airport to Sydney in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.
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 17 December 2025.
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 18% 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 $1,753.
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 14m.
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 16m.
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 17 December 2025.
Get a feel of what it's like to fly with Cathay Pacific, Qantas Airways, andChina Southern 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.
Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Related info for your journey
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 23h 25m. 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 $1,048, 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 Air China. According to our data, you can fly for as low as $757. Users have also found prices from $809 and $830 on China Southern and China Eastern, 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 $2,190, our data indicates the cheapest price to be $1,516. The most popular route (London Heathrow - Sydney Kingsford Smith), is priced around $1,115.
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 $1,035). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,659). 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
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 17 December 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 17 December 2025.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 December 2025.
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 17 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 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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