Cheap flights from Sydney to London Heathrow Airport from £345
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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
8 Feb — 15 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 Wednesday or Friday and return on a Monday
Cheap 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 9 January 2026.
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 9 January 2026.
Sun 19/422:10SYD - LHR
1 stop27h 20mChina Airlines
Mon 11/521:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 8/1£809
Sun 22/221:15SYD - LHR
2 stops27h 15mMultiple Airlines
Sun 8/322:15LHR - SYD
2 stops33h 35mMultiple Airlines
Deal found 7/1£809
Tue 21/421:45SYD - LHR
1 stop30h 15mChina Southern
Sat 9/522:10LHR - SYD
1 stop36h 30mChina Southern
Deal found 7/1£810
Mon 3/820:30SYD - LHR
1 stop31h 10mChina Eastern
Sun 23/821:20LHR - SYD
1 stop26h 40mChina Eastern
Deal found 8/1£811
Tue 10/220:40SYD - LHR
1 stop30h 15mMultiple Airlines
Mon 23/208:50LHR - SYD
1 stop22h 05mMultiple Airlines
Deal found 7/1£811
Thu 26/322:00SYD - LHR
1 stop31h 35mChina Southern
Thu 23/422:10LHR - SYD
1 stop25h 15mChina Southern
Deal found 7/1£812
Thu 5/212:00SYD - LHR
2 stops32h 55mTurkish Airlines
Thu 12/206:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 7/1£813
Wed 22/411:00SYD - LHR
1 stop40h 40mMultiple Airlines
Mon 11/522:10LHR - SYD
1 stop29h 25mMultiple Airlines
Deal found 7/1£814
Tue 5/521:00SYD - LHR
1 stop31h 30mMultiple Airlines
Mon 1/622:00LHR - SYD
3 stops36h 35mMultiple Airlines
Deal found 8/1£814
Wed 1/415:15SYD - LHR
1 stop37h 45mChina Southern
Tue 12/522:10LHR - SYD
1 stop25h 15mChina Southern
Deal found 7/1£815
Wed 22/412:00SYD - LHR
2 stops39h 40mMultiple Airlines
Tue 12/522:10LHR - SYD
1 stop25h 15mMultiple Airlines
Deal found 7/1£816
Mon 16/222:15SYD - LHR
1 stop28h 10mMalaysia Airlines
Mon 2/321:25LHR - SYD
1 stop23h 30mMalaysia Airlines
Deal found 6/1£817
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 9 January 2026.
Thu 23/422:10SYD - LHR
1 stop27h 20mChina Airlines
Mon 11/521:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 8/1£809
Fri 1/521:05SYD - LHR
2 stops27h 05mTurkish Airlines
Sun 31/522:35LHR - SYD
2 stops35h 35mTurkish Airlines
Deal found 7/1£820
Wed 29/410:15SYD - LHR
1 stop39h 40mVietnam Airlines
Mon 1/618:55LHR - SYD
1 stop32h 20mVietnam Airlines
Deal found 6/1£842
Fri 6/321:45SYD - LHR
1 stop25h 20mEtihad Airways
Sun 22/308:50LHR - SYD
1 stop22h 05mEtihad Airways
Deal found 6/1£848
Thu 5/310:20SYD - LHR
1 stop42h 45mAsiana Airlines
Mon 23/320:10LHR - SYD
1 stop25h 10mAsiana Airlines
Deal found 6/1£859
Wed 25/321:15SYD - LHR
2 stops27h 55mTurkish Airlines
Tue 5/522:35LHR - SYD
2 stops35h 35mTurkish Airlines
Deal found 6/1£820
Thu 18/622:10SYD - LHR
1 stop27h 20mChina Airlines
Mon 3/821:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 8/1£832
Mon 2/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Mon 23/317:45LHR - SYD
2 stops38h 35mTurkish Airlines
Deal found 6/1£838
Wed 4/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Mon 16/318:00LHR - SYD
2 stops38h 20mTurkish Airlines
Deal found 6/1£842
Fri 15/521:05SYD - LHR
2 stops27h 05mTurkish Airlines
Thu 11/606:30LHR - SYD
2 stops27h 40mTurkish Airlines
Deal found 7/1£852
Thu 23/421:05SYD - LHR
2 stops27h 05mTurkish Airlines
Sat 16/506:30LHR - SYD
2 stops27h 40mTurkish Airlines
Deal found 8/1£852
Thu 23/421:05SYD - LHR
2 stops27h 05mTurkish Airlines
Sat 9/506:30LHR - SYD
2 stops27h 40mTurkish Airlines
Deal found 7/1£854
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 9 January 2026.
Mon 19/116:15SYD - LHR
Nonstop25h 00mQantas Airways
Mon 2/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/1£842
Mon 16/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Thu 19/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 7/1£846
Tue 20/116:15SYD - LHR
Nonstop25h 00mQantas Airways
Wed 18/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 8/1£848
Wed 4/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Wed 1/420:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 6/1£856
Sat 7/316:15SYD - LHR
Nonstop25h 00mQantas Airways
Wed 11/320:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 5/1£860
Thu 5/316:15SYD - LHR
Nonstop25h 00mQantas Airways
Sun 5/420:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 7/1£861
Sun 1/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Sat 28/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/1£864
Fri 30/116:15SYD - LHR
Nonstop25h 00mQantas Airways
Sun 22/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 8/1£865
Sat 7/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Sat 28/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/1£877
Thu 26/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Fri 21/820:50LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 8/1£879
Fri 13/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Fri 20/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 7/1£881
Sat 14/216:15SYD - LHR
Nonstop25h 00mQantas Airways
Fri 27/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 8/1£883
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 9 January 2026 and is based on user searches.
Tue 13/121:00SYD - LHR
1 stop30h 20mMultiple Airlines
Sat 24/121:30LHR - SYD
2 stops29h 05mMultiple Airlines
Deal found 7/1£823
Tue 13/121:00SYD - LHR
1 stop30h 20mMultiple Airlines
Thu 22/122:00LHR - SYD
1 stop28h 35mMultiple Airlines
Deal found 7/1£838
Wed 14/112:00SYD - LHR
1 stop40h 30mChina Eastern
Wed 21/121:00LHR - SYD
1 stop29h 35mChina Eastern
Deal found 6/1£837
Thu 15/120:40SYD - LHR
1 stop32h 15mMultiple Airlines
Thu 22/121:00LHR - SYD
1 stop29h 35mMultiple Airlines
Deal found 7/1£832
Thu 15/120:40SYD - LHR
1 stop32h 15mMultiple Airlines
Sat 31/121:30LHR - SYD
2 stops29h 05mMultiple Airlines
Deal found 7/1£846
Thu 15/115:15SYD - LHR
1 stop38h 20mChina Southern
Tue 27/122:00LHR - SYD
1 stop28h 35mChina Southern
Deal found 7/1£848
Sat 17/120:05SYD - LHR
3 stops56h 50mMultiple Airlines
Sat 7/222:00LHR - SYD
1 stop28h 35mMultiple Airlines
Deal found 6/1£825
Sat 17/120:05SYD - LHR
3 stops56h 50mMultiple Airlines
Sat 31/122:00LHR - SYD
1 stop28h 35mMultiple Airlines
Deal found 7/1£826
Sat 17/111:25SYD - LHR
2 stops37h 35mChina Southern
Sat 7/222:00LHR - SYD
1 stop24h 25mChina Southern
Deal found 7/1£830
Sun 18/120:40SYD - LHR
2 stops32h 15mMultiple Airlines
Mon 2/221:00LHR - SYD
1 stop29h 35mMultiple Airlines
Deal found 7/1£823
Sun 18/120:40SYD - LHR
1 stop30h 15mMultiple Airlines
Tue 27/122:00LHR - SYD
1 stop24h 25mMultiple Airlines
Deal found 7/1£854
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 9 January 2026.
Fri 16/120:40SYD - LHR
3 stops35h 55mMultiple Airlines
Deal found 8/1£345
Sat 24/114:00SYD - LHR
3 stops33h 50mMultiple Airlines
Deal found 7/1£346
Sat 17/120:40SYD - LHR
3 stops51h 00mMultiple Airlines
Deal found 7/1£347
Sun 22/310:45SYD - LHR
3 stops59h 20mMultiple Airlines
Deal found 7/1£347
Wed 11/321:15SYD - LHR
2 stops27h 55mTurkish Airlines
Deal found 6/1£348
Sun 8/313:35SYD - LHR
3 stops35h 55mMultiple Airlines
Deal found 7/1£349
Sat 14/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Deal found 8/1£350
Sun 8/221:15SYD - LHR
2 stops28h 40mTurkish Airlines
Deal found 8/1£350
Fri 27/221:45SYD - LHR
1 stop43h 55mEtihad Airways
Deal found 7/1£351
Sun 22/221:15SYD - LHR
2 stops27h 15mTurkish Airlines
Deal found 7/1£352
Thu 22/121:00SYD - LHR
1 stop31h 35mHainan Airlines
Deal found 8/1£353
Fri 20/321:15SYD - LHR
2 stops28h 40mTurkish Airlines
Deal found 7/1£353
Cheapflights Fare Finder
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 858,174 searches. Data last updated 9 January 2026.
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
Thu 23/4
22:10-16:30
1 stop27h 20m
London Heathrow
Mon 11/5
21:10-10:45
1 stop28h 35m
£809
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 1/5
21:05-15:10
2 stops27h 05m
London Heathrow
Sun 31/5
22:35-19:10
2 stops35h 35m
£820
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 25/3
21:15-14:10
2 stops27h 55m
London Heathrow
Tue 5/5
22:35-19:10
2 stops35h 35m
£820
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 18/6
22:10-16:30
1 stop27h 20m
London Heathrow
Mon 3/8
21:10-10:45
1 stop28h 35m
£832
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 2/3
21:15-14:55
2 stops28h 40m
London Heathrow
Mon 23/3
17:45-19:20
2 stops38h 35m
£838
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 29/4
10:15-16:55
1 stop39h 40m
London Heathrow
Mon 1/6
18:55-12:15
1 stop32h 20m
£842
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 4/3
21:15-14:55
2 stops28h 40m
London Heathrow
Mon 16/3
18:00-19:20
2 stops38h 20m
£842
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 6/3
21:45-12:05
1 stop25h 20m
London Heathrow
Sun 22/3
08:50-17:55
1 stop22h 05m
£848
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 15/5
21:05-15:10
2 stops27h 05m
London Heathrow
Thu 11/6
06:30-19:10
2 stops27h 40m
£852
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 23/4
21:05-15:10
2 stops27h 05m
London Heathrow
Sat 16/5
06:30-19:10
2 stops27h 40m
£852
Flights are sorted by cheapest return flights first.
Deals found on 7/1
Showing 1-10 of 24 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 2 January 2026.
The price you pay for your flight from Sydney to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 £597). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £910). 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 9 January 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to London Heathrow Airport as you normally would.
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 9 January 2026.
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.
Hong Kong (HKG) – chosen by Cheapflights users on 18% 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.
Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £826.
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: 23h 32m.
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 06m.
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 9 January 2026.
See what other customers who have flown with Emirates, Cathay Pacific, andEtihad Airways from Sydney to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
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?
For a flight from Sydney to London Heathrow, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 3 outbound flights to London Heathrow per day. 14 airlines have flights to London Heathrow from Sydney Kingsford Smith on a regular basis.
How long is the flight from Sydney to London Heathrow Airport?
A quick flight from Sydney to London Heathrow Airport can take about 27h 05m. China Airlines provides one of the quickest options available for as low as £820. The distance between Sydney and London Heathrow Airport is about 10568 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?
Our cheapest airline available from Sydney to London Heathrow Airport is China Southern. Our recent data shows that you can find tickets from as low as £592 on this airline. Additional options worth looking into are China Eastern and Air China, starting at £628 and £664 round-trip. China Southern is currently priced 38% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Sydney to London Heathrow Airport one-way?
For one-way options, check prices for Etihad Airways. According to our data, you can fly for as low as £255. Users have also found prices from £290 and £302 on China Southern and Air China, respectively.
What are the cheapest flights from Sydney to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £689. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £463 on average, our data indicates £1,210 when flying from Sydney to London Heathrow Airport.
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 £597). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £910). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 January 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 858,174 searches. Data last updated 9 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 Sydney to Heathrow?
Cheapflights helps you search for flights from Sydney to Heathrow 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 Sydney to Heathrow?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Heathrow for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Sydney to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to Heathrow become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Sydney today and book when prices fit your budget.
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