Cheap flights from Sydney to London Heathrow Airport from £313
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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
7 Dec — 14 Dec1
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 20 days in advance, depart on a Friday or Tuesday 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 7 November 2025.
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 7 November 2025.
Thu 13/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Fri 21/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 5/11£719
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 4/11£720
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 6/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 6/11£721
Tue 25/1108:45SYD - LHR
1 stop32h 45mCathay Pacific
Sun 7/1217:50LHR - SYD
1 stop31h 10mCathay Pacific
Deal found 5/11£723
Mon 10/1121:30SYD - LHR
1 stop44h 10mMultiple Airlines
Mon 17/1121:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 5/11£724
Sat 8/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Sun 23/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 5/11£725
Thu 13/1121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Mon 24/1122:00LHR - SYD
2 stops35h 35mMultiple Airlines
Deal found 5/11£727
Mon 10/1121:30SYD - LHR
1 stop44h 10mEtihad Airways
Thu 20/1108:50LHR - SYD
1 stop22h 05mEtihad Airways
Deal found 5/11£728
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sun 23/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 5/11£729
Fri 14/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Fri 28/1117:45LHR - SYD
2 stops25h 50mMultiple Airlines
Deal found 5/11£730
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 6/11£731
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 7 November 2025.
Fri 14/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Fri 28/1117:45LHR - SYD
2 stops25h 50mMultiple Airlines
Deal found 5/11£730
Mon 2/221:15SYD - LHR
2 stops28h 40mTurkish Airlines
Mon 16/217:45LHR - SYD
2 stops38h 35mTurkish Airlines
Deal found 6/11£764
Fri 14/1122:20SYD - LHR
1 stop30h 00mCathay Pacific
Sun 23/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 4/11£790
Thu 15/121:45SYD - LHR
1 stop31h 25mEtihad Airways
Sun 25/120:55LHR - SYD
1 stop22h 40mEtihad Airways
Deal found 6/11£844
Fri 5/1214:00SYD - LHR
1 stop28h 25mUnited Airlines
Thu 22/111:35LHR - SYD
2 stops31h 45mUnited Airlines
Deal found 5/11£1,072
Fri 14/1121:15SYD - LHR
2 stops27h 55mTurkish Airlines
Mon 24/1106:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 6/11£820
Fri 14/1121:15SYD - LHR
2 stops47h 40mMultiple Airlines
Sat 29/1117:45LHR - SYD
2 stops25h 50mMultiple Airlines
Deal found 5/11£833
Sun 16/1121:15SYD - LHR
2 stops28h 40mTurkish Airlines
Tue 25/1106:35LHR - SYD
2 stops25h 45mTurkish Airlines
Deal found 7/11£823
Sat 15/1121:15SYD - LHR
2 stops29h 55mTurkish Airlines
Thu 20/1118:00LHR - SYD
2 stops38h 20mTurkish Airlines
Deal found 5/11£823
Tue 2/1211:20SYD - LHR
2 stops29h 35mUnited Airlines
Fri 23/115:20LHR - SYD
1 stop30h 45mUnited Airlines
Deal found 5/11£1,072
Fri 5/1214:00SYD - LHR
1 stop28h 25mUnited Airlines
Tue 20/115:20LHR - SYD
1 stop30h 45mUnited Airlines
Deal found 5/11£1,072
Sun 7/1211:20SYD - LHR
2 stops30h 00mUnited Airlines
Thu 22/115:20LHR - SYD
1 stop30h 45mUnited Airlines
Deal found 5/11£1,072
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 7 November 2025.
Thu 13/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Wed 19/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 5/11£841
Wed 19/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Wed 26/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11£845
Thu 13/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Fri 21/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 5/11£859
Wed 19/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Fri 21/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11£865
Fri 14/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Fri 28/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 5/11£878
Fri 14/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 22/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11£883
Wed 12/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 16/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 4/11£920
Thu 20/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Mon 24/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/11£962
Tue 3/215:55SYD - LHR
Nonstop25h 20mQantas Airways
Sat 7/220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 5/11£975
Mon 10/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 30/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 6/11£997
Tue 25/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Sun 7/1220:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 7/11£997
Mon 10/1115:55SYD - LHR
Nonstop25h 20mQantas Airways
Tue 25/1120:10LHR - SYD
Nonstop23h 25mQantas Airways
Deal found 5/11£999
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 7 November 2025 and is based on user searches.
Sat 8/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Sun 23/1121:30LHR - SYD
2 stops35h 50mMultiple Airlines
Deal found 5/11£725
Mon 10/1121:30SYD - LHR
1 stop44h 10mMultiple Airlines
Mon 17/1121:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 5/11£724
Mon 10/1121:30SYD - LHR
1 stop44h 10mEtihad Airways
Thu 20/1108:50LHR - SYD
1 stop22h 05mEtihad Airways
Deal found 5/11£728
Thu 13/1122:20SYD - LHR
1 stop27h 40mCathay Pacific
Fri 21/1111:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 5/11£719
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 4/11£720
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 6/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 6/11£721
Thu 13/1121:00SYD - LHR
2 stops31h 35mMultiple Airlines
Mon 24/1122:00LHR - SYD
2 stops35h 35mMultiple Airlines
Deal found 5/11£727
Thu 13/1121:30SYD - LHR
1 stop31h 40mMultiple Airlines
Sun 23/1121:15LHR - SYD
1 stop30h 40mMultiple Airlines
Deal found 5/11£729
Fri 14/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Fri 28/1117:45LHR - SYD
2 stops25h 50mMultiple Airlines
Deal found 5/11£730
Sat 15/1121:00SYD - LHR
1 stop31h 55mMultiple Airlines
Sat 22/1121:00LHR - SYD
1 stop30h 50mMultiple Airlines
Deal found 6/11£731
Tue 25/1108:45SYD - LHR
1 stop32h 45mCathay Pacific
Sun 7/1217:50LHR - SYD
1 stop31h 10mCathay Pacific
Deal found 5/11£723
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 7 November 2025.
Sat 15/1121:00SYD - LHR
1 stop31h 55mHainan Airlines
Deal found 6/11£313
Tue 2/1206:00SYD - LHR
2 stops45h 20mMultiple Airlines
Deal found 6/11£318
Tue 27/111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 7/11£320
Wed 4/212:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 5/11£321
Mon 10/1121:30SYD - LHR
1 stop31h 40mEtihad Airways
Deal found 5/11£323
Thu 22/113:30SYD - LHR
2 stops39h 00mChina Eastern
Deal found 6/11£325
Wed 19/1121:50SYD - LHR
3 stops31h 20mMultiple Airlines
Deal found 5/11£327
Tue 11/1121:50SYD - LHR
3 stops31h 20mMultiple Airlines
Deal found 5/11£329
Mon 10/1121:50SYD - LHR
3 stops31h 20mMultiple Airlines
Deal found 7/11£331
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 7 November 2025.
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
Fri 14/11
21:15-14:55
2 stops28h 40m
London Heathrow
Fri 28/11
17:45-06:35
2 stops25h 50m
£730
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 2/2
21:15-14:55
2 stops28h 40m
London Heathrow
Mon 16/2
17:45-19:20
2 stops38h 35m
£764
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 14/11
22:20-17:20
1 stop30h 00m
London Heathrow
Sun 23/11
11:00-20:50
1 stop22h 50m
£790
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 14/11
21:15-14:10
2 stops27h 55m
London Heathrow
Mon 24/11
06:35-19:20
2 stops25h 45m
£820
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 16/11
21:15-14:55
2 stops28h 40m
London Heathrow
Tue 25/11
06:35-19:20
2 stops25h 45m
£823
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 15/11
21:15-16:10
2 stops29h 55m
London Heathrow
Thu 20/11
18:00-19:20
2 stops38h 20m
£823
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 14/11
21:15-09:55
2 stops47h 40m
London Heathrow
Sat 29/11
17:45-06:35
2 stops25h 50m
£833
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 15/1
21:45-18:10
1 stop31h 25m
London Heathrow
Sun 25/1
20:55-06:35
1 stop22h 40m
£844
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 5/12
14:00-07:25
1 stop28h 25m
London Heathrow
Thu 22/1
11:35-06:20
2 stops31h 45m
£1,072
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 2/12
11:20-05:55
2 stops29h 35m
London Heathrow
Fri 23/1
15:20-09:05
1 stop30h 45m
£1,072
Flights are sorted by cheapest return flights first.
Deals found on 6/11
Showing 1-10 of 23 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 31 October 2025.
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 20 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 £616). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £946). 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 7 November 2025.
It’s optimal to fly from Sydney to London Heathrow Airport in the morning. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Sydney to London Heathrow Airport?
Use this chart to determine the cheapest time to fly return from Sydney to Heathrow. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sydney to London Heathrow Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 7 November 2025.
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 17% of one-stop itineraries from Sydney to London Heathrow Airport on Cheapflights.
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 37m.
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 37m.
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 Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 2h 00m.
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 7 November 2025.
See what other customers who have flown with Cathay Pacific, China Southern, 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.
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 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 28h 40m. Turkish Airlines provides one of the quickest options available for as low as £764. 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 £619 on this airline. Additional options worth looking into are Air China and China Eastern, starting at £686 and £696 round-trip. China Southern is currently priced 37% below the average price you’ll pay for this route.
What are the cheapest flights from Sydney to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £677. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £618 on average, our data indicates £944 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 £616). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £946). 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 7 November 2025.
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 7 November 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 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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