Cheap flights from Sydney to London Heathrow Airport from £270
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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
21 Feb — 28 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
Enter your travel dates to find the best prices.
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 22 January 2026.
Thu 12/321:00
SYD
-
LHR
2 stops31h 35m
Multiple Airlines
Sat 14/321:30
LHR
-
SYD
3 stops34h 20m
Multiple Airlines
Deal found 21/1£678
Mon 23/220:40
SYD
-
LHR
1 stop32h 15m
Air China
Tue 10/320:25
LHR
-
SYD
1 stop32h 05m
Air China
Deal found 21/1£680
Sat 21/313:30
SYD
-
LHR
2 stops39h 00m
China Eastern
Mon 13/421:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 20/1£684
Sun 15/208:10
SYD
-
LHR
1 stop45h 25m
Multiple Airlines
Sun 1/320:25
LHR
-
SYD
1 stop32h 05m
Multiple Airlines
Deal found 21/1£686
Thu 26/321:00
SYD
-
LHR
2 stops31h 35m
Multiple Airlines
Wed 15/422:00
LHR
-
SYD
2 stops39h 15m
Multiple Airlines
Deal found 21/1£686
Sat 7/321:15
SYD
-
LHR
1 stop36h 10m
Multiple Airlines
Sat 14/319:20
LHR
-
SYD
1 stop24h 15m
Multiple Airlines
Deal found 20/1£687
Thu 19/321:00
SYD
-
LHR
2 stops31h 35m
Multiple Airlines
Mon 30/322:05
LHR
-
SYD
2 stops48h 15m
Multiple Airlines
Deal found 20/1£688
Tue 17/321:00
SYD
-
LHR
1 stop30h 20m
Multiple Airlines
Tue 31/322:15
LHR
-
SYD
2 stops36h 20m
Multiple Airlines
Deal found 20/1£689
Fri 27/315:10
SYD
-
LHR
2 stops37h 20m
China Eastern
Fri 10/421:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 21/1£691
Sun 8/214:00
SYD
-
LHR
1 stop36h 55m
Air China
Sat 28/221:35
LHR
-
SYD
2 stops54h 55m
Air China
Deal found 21/1£692
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 22 January 2026.
Thu 21/511:20
SYD
-
LHR
2 stops40h 20m
China Eastern
Fri 5/621:20
LHR
-
SYD
2 stops49h 20m
China Eastern
Deal found 20/1£716
Mon 2/221:15
SYD
-
LHR
2 stops28h 40m
Turkish Airlines
Mon 16/218:00
LHR
-
SYD
2 stops38h 20m
Turkish Airlines
Deal found 21/1£718
Fri 10/722:10
SYD
-
LHR
1 stop27h 20m
China Airlines
Wed 2/921:10
LHR
-
SYD
1 stop28h 35m
China Airlines
Deal found 21/1£837
Sat 11/714:15
SYD
-
LHR
1 stop36h 35m
Vietnam Airlines
Wed 2/918:55
LHR
-
SYD
1 stop32h 20m
Vietnam Airlines
Deal found 21/1£843
Thu 30/411:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Tue 12/521:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Deal found 20/1£794
Fri 29/521:05
SYD
-
LHR
2 stops27h 55m
Turkish Airlines
Wed 10/606:30
LHR
-
SYD
2 stops27h 40m
Turkish Airlines
Deal found 20/1£852
Fri 12/610:05
SYD
-
LHR
3 stops41h 35m
China Eastern
Wed 24/621:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 20/1£800
Thu 21/521:05
SYD
-
LHR
2 stops27h 05m
Turkish Airlines
Fri 26/611:10
LHR
-
SYD
2 stops47h 00m
Turkish Airlines
Deal found 21/1£852
Mon 6/720:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Sat 22/821:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 21/1£823
Tue 7/711:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Fri 28/821:20
LHR
-
SYD
2 stops49h 20m
China Eastern
Deal found 21/1£831
Wed 8/711:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Fri 28/821:20
LHR
-
SYD
2 stops49h 20m
China Eastern
Deal found 21/1£831
Thu 2/711:20
SYD
-
LHR
2 stops40h 20m
China Eastern
Fri 21/821:20
LHR
-
SYD
2 stops49h 20m
China Eastern
Deal found 21/1£833
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 22 January 2026.
Mon 2/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Mon 16/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 20/1£906
Thu 19/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Thu 12/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 20/1£908
Tue 10/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Tue 17/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 20/1£911
Sun 15/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Sun 8/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 21/1£912
Mon 2/316:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Wed 8/420:50
LHR
-
SYD
Nonstop23h 20m
Qantas Airways
Deal found 20/1£921
Tue 17/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Tue 24/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 19/1£935
Mon 16/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Wed 4/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 22/1£956
Mon 16/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Mon 2/320:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 21/1£957
Wed 4/216:15
SYD
-
LHR
Nonstop25h 00m
Qantas Airways
Mon 9/220:10
LHR
-
SYD
Nonstop23h 25m
Qantas Airways
Deal found 20/1£973
Last-minute flights from Sydney to Heathrow
Discover last-minute flight deals from Sydney to Heathrow. Data last updated 22 January 2026 and is based on user searches.
Tue 27/118:00
SYD
-
LHR
2 stops34h 30m
Multiple Airlines
Tue 3/221:00
LHR
-
SYD
1 stop26h 00m
Multiple Airlines
Deal found 22/1£759
Wed 28/111:25
SYD
-
LHR
1 stop42h 10m
Multiple Airlines
Sat 31/121:00
LHR
-
SYD
1 stop30h 50m
Multiple Airlines
Deal found 20/1£752
Wed 28/110:00
SYD
-
LHR
3 stops66h 30m
China Eastern
Sun 1/221:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Deal found 21/1£762
Thu 29/121:00
SYD
-
LHR
2 stops31h 35m
Multiple Airlines
Wed 25/219:45
LHR
-
SYD
2 stops48h 40m
Multiple Airlines
Deal found 22/1£717
Fri 30/120:40
SYD
-
LHR
2 stops34h 00m
Multiple Airlines
Sat 28/221:30
LHR
-
SYD
3 stops34h 20m
Multiple Airlines
Deal found 21/1£761
Sat 31/115:15
SYD
-
LHR
1 stop38h 20m
Multiple Airlines
Sun 1/221:00
LHR
-
SYD
1 stop29h 35m
Multiple Airlines
Deal found 22/1£751
Sun 1/220:40
SYD
-
LHR
1 stop32h 15m
Multiple Airlines
Sun 22/319:00
LHR
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 19/1£715
Sun 1/221:15
SYD
-
LHR
2 stops27h 15m
Turkish Airlines
Tue 10/206:35
LHR
-
SYD
2 stops25h 45m
Turkish Airlines
Deal found 22/1£720
Sun 1/214:00
SYD
-
LHR
1 stop38h 55m
Multiple Airlines
Sun 22/212:35
LHR
-
SYD
1 stop40h 15m
Multiple Airlines
Deal found 22/1£728
Sun 1/215:15
SYD
-
LHR
1 stop38h 20m
China Southern
Sun 22/322:00
LHR
-
SYD
1 stop35h 20m
China Southern
Deal found 19/1£729
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 22 January 2026.
Thu 7/521:00
SYD
-
LHR
2 stops31h 30m
Hainan Airlines
Deal found 22/1£270
Sat 31/114:00
SYD
-
LHR
3 stops59h 45m
Multiple Airlines
Deal found 20/1£272
Thu 28/521:00
SYD
-
LHR
2 stops31h 30m
Hainan Airlines
Deal found 21/1£272
Thu 2/421:00
SYD
-
LHR
2 stops32h 30m
Hainan Airlines
Deal found 20/1£273
Thu 26/221:00
SYD
-
LHR
2 stops31h 35m
Hainan Airlines
Deal found 22/1£276
Thu 5/321:00
SYD
-
LHR
2 stops31h 35m
Hainan Airlines
Deal found 21/1£277
Wed 28/118:25
SYD
-
LHR
2 stops35h 10m
Multiple Airlines
Deal found 22/1£278
Sun 15/219:15
SYD
-
LHR
2 stops57h 40m
Multiple Airlines
Deal found 21/1£283
Mon 16/220:40
SYD
-
LHR
3 stops47h 30m
Multiple Airlines
Deal found 22/1£285
Tue 3/321:00
SYD
-
LHR
1 stop30h 20m
Hainan Airlines
Deal found 20/1£287
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 22 January 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 858,174 searches. Data last updated 22 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 21/5
11:20-18:40
2 stops40h 20m
London Heathrow
Fri 5/6
21:20-07:40
2 stops49h 20m
£716
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 2/2
21:15-14:55
2 stops28h 40m
London Heathrow
Mon 16/2
18:00-19:20
2 stops38h 20m
£718
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 30/4
11:00-18:40
1 stop40h 40m
London Heathrow
Tue 12/5
21:20-09:00
1 stop26h 40m
£794
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 12/6
10:05-18:40
3 stops41h 35m
London Heathrow
Wed 24/6
21:20-12:35
1 stop30h 15m
£800
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 6/7
20:30-18:40
1 stop31h 10m
London Heathrow
Sat 22/8
21:20-12:35
1 stop30h 15m
£823
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 7/7
11:00-18:40
1 stop40h 40m
London Heathrow
Fri 28/8
21:20-07:40
2 stops49h 20m
£831
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 8/7
11:00-18:40
1 stop40h 40m
London Heathrow
Fri 28/8
21:20-07:40
2 stops49h 20m
£831
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 2/7
11:20-18:40
2 stops40h 20m
London Heathrow
Fri 21/8
21:20-07:40
2 stops49h 20m
£833
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 10/7
22:10-16:30
1 stop27h 20m
London Heathrow
Wed 2/9
21:10-10:45
1 stop28h 35m
£837
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 11/7
14:15-17:50
1 stop36h 35m
London Heathrow
Wed 2/9
18:55-12:15
1 stop32h 20m
£843
Flights are sorted by cheapest return flights first.
Deals found on 21/1
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 16 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 £600). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £911). 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 22 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.
How much does it cost for a return flight from Sydney to London Heathrow Airport?
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 22 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 28m.
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 Perth (PER) offer the fastest connection on this route, with an average stopover time of 2h 08m.
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 22 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 28h 40m. China Eastern provides one of the quickest options available for as low as £718. 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 £624 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 35% 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 Air China. According to our data, you can fly for as low as £206. Users have also found prices from £256 and £295 on Etihad Airways and China Southern, respectively.
What are the cheapest flights from Sydney to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £515. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £553 on average, our data indicates £1,040 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 £600). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of £911). 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 22 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 22 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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