$581+ Cheap flights from Heathrow (LHR) to Sydney (SYD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Heathrow to Sydney
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Cheapest flights from Heathrow to SydneyExplore 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 September 7, 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 September 7, 2026.
This FlightHub deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:00 pm -
2 stops49h 05m
Mon 11/29:30 pm -
1 stop31h 00m
Deal found 9/2![China Eastern logo]()
$1,048
This FlightHub deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:20 pm -
1 stop26h 40m
Mon 10/129:30 pm -
1 stop31h 10m
Deal found 9/3![China Eastern logo]()
$1,053
This Booking.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:00 pm -
1 stop29h 35m
Sun 12/612:00 pm -
1 stop40h 30m
Deal found 9/2![China Eastern logo]()
$1,058
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:10 pm -
1 stop36h 15m
Wed 10/2110:10 pm -
1 stop31h 10m
Deal found 9/2![China Southern logo]()
$1,059
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:00 pm -
1 stop24h 25m
Tue 11/2410:10 pm -
2 stops31h 25m
Deal found 9/6![China Southern logo]()
$1,060
This Justfly.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:45 am -
1 stop24h 20m
Wed 9/168:35 pm -
1 stop32h 25m
Deal found 9/7![Air India logo]()
$1,061
This FlightHub deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:15 pm -
2 stops29h 10m
Wed 11/1811:25 am -
2 stops41h 30m
Deal found 9/7![China Southern logo]()
$1,062
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:20 pm -
2 stops49h 40m
Sun 10/2511:05 am -
2 stops41h 25m
Deal found 9/3![China Eastern logo]()
$1,066
This Justfly.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:20 pm -
2 stops49h 40m
Thu 10/812:00 pm -
1 stop40h 40m
Deal found 9/3![China Eastern logo]()
$1,069
This China Southern deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:15 pm -
2 stops29h 10m
Sun 11/83:15 pm -
1 stop38h 20m
Deal found 9/6![China Southern logo]()
$1,072
Best flights from Heathrow to SydneyDiscover carefully curated flight deals from Heathrow to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Heathrow to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This British Airways deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/179:00 pm -
1 stop22h 55m
Fri 3/511:05 am -
2 stops29h 30m
Deal found 9/2![British Airways logo]()
$1,176
This British Airways deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/179:00 pm -
1 stop22h 55m
Wed 3/1012:30 pm -
2 stops27h 50m
Deal found 9/4![Multiple Airlines logo]()
$1,180
This Turkish Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/410:40 pm -
2 stops33h 45m
Thu 3/49:35 pm -
2 stops35h 55m
Deal found 9/3![Turkish Airlines logo]()
$1,301
This KLM deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:05 pm -
2 stops27h 50m
Wed 12/210:35 am -
3 stops32h 05m
Deal found 9/6![KLM logo]()
$1,546
This Oman Air deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:50 pm -
2 stops51h 50m
Fri 10/309:55 am -
2 stops55h 00m
Deal found 9/2![Oman Air logo]()
$1,553
This British Airways deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/49:00 pm -
1 stop22h 55m
Wed 2/2412:30 pm -
2 stops27h 50m
Deal found 9/3![Multiple Airlines logo]()
$1,183
This Turkish Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/46:25 am -
2 stops26h 00m
Sun 1/319:35 pm -
2 stops29h 45m
Deal found 9/3![Turkish Airlines logo]()
$1,315
This Turkish Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/610:40 pm -
2 stops33h 45m
Wed 2/37:55 am -
3 stops36h 50m
Deal found 9/4![Multiple Airlines logo]()
$1,493
This Turkish Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:25 am -
2 stops26h 00m
Mon 11/233:25 pm -
2 stops34h 30m
Deal found 9/5![Multiple Airlines logo]()
$1,538
Last-minute flights from Heathrow to SydneyDiscover last-minute flight deals from Heathrow to Sydney. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Sydney. Data last updated September 7, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:20 pm -
1 stop26h 40m
Thu 9/109:00 pm -
2 stops31h 30m
Deal found 9/4![Multiple Airlines logo]()
$1,083
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:45 am -
1 stop24h 20m
Fri 9/188:35 pm -
1 stop31h 25m
Deal found 9/3![Air India logo]()
$1,079
This Justfly.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:45 am -
1 stop24h 20m
Wed 9/168:35 pm -
1 stop32h 25m
Deal found 9/7![Air India logo]()
$1,061
This FlightHub deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:20 pm -
1 stop26h 40m
Mon 10/129:30 pm -
1 stop31h 10m
Deal found 9/3![China Eastern logo]()
$1,053
This FlightHub deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:20 pm -
2 stops49h 40m
Fri 10/28:30 pm -
1 stop31h 10m
Deal found 9/4![China Eastern logo]()
$1,087
This Justfly.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:20 pm -
2 stops49h 40m
Thu 10/812:00 pm -
1 stop40h 40m
Deal found 9/3![China Eastern logo]()
$1,069
This Justfly.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:10 pm -
1 stop36h 15m
Wed 10/2110:10 pm -
1 stop31h 10m
Deal found 9/2![China Southern logo]()
$1,059
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:20 pm -
2 stops49h 40m
Sun 10/2511:05 am -
2 stops41h 25m
Deal found 9/3![China Eastern logo]()
$1,066
This FlightHub deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:15 pm -
2 stops29h 10m
Wed 11/1811:25 am -
2 stops41h 30m
Deal found 9/7![China Southern logo]()
$1,062
This FlightHub deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:00 pm -
2 stops49h 05m
Mon 11/29:30 pm -
1 stop31h 00m
Deal found 9/2![China Eastern logo]()
$1,048
One-way flights from Heathrow to SydneySearch for one-way flight options from Heathrow to Sydney. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Heathrow to Sydney. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:00 pm -
2 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![China Southern logo]()
$581
This FlightHub deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:30 pm -
2 stops47h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![China Southern logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:00 pm -
2 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![China Southern logo]()
$583
This FlightHub deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:00 pm -
2 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![China Southern logo]()
$588
This FlightHub deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:20 pm -
2 stops49h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![China Eastern logo]()
$589
This FlightHub deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:30 pm -
1 stop30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Tianjin Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:20 pm -
2 stops58h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$592
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:15 pm -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![China Southern logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:40 pm -
2 stops56h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$599
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,048 (FlightHub) |
One-way from | $581 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,421 |
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 1/4
8:35 am-7:20 pm
1 stop23h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$900
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Fri 1/8
2:55 pm-7:20 pm
1 stop41h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$937
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 1/13
3:30 pm-8:55 am
2 stops30h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,012
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 12/9
11:00 am-1:15 pm
1 stop39h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,024
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Thu 1/7
6:25 am-6:30 am
3 stops37h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,107
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Thu 10/8
6:30 am-7:05 am
3 stops38h 35m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,107
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Sun 11/1
8:05 pm-7:25 am
2 stops48h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,125
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 2/17
9:00 pm-6:55 am
1 stop22h 55m
Sydney Kingsford Smith
Fri 3/5
11:05 am-5:35 am
2 stops29h 30m
$1,176
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Wed 2/17
9:00 pm-6:55 am
1 stop22h 55m
Sydney Kingsford Smith
Wed 3/10
12:30 pm-5:20 am
2 stops27h 50m
$1,180
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Thu 2/4
9:00 pm-6:55 am
1 stop22h 55m
Sydney Kingsford Smith
Wed 2/24
12:30 pm-5:20 am
2 stops27h 50m
$1,183
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Sydney in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
LHR-SYD
Estimated round-trip 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?
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Sydney, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Sydney?
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,210). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,904). 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 September 7, 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.
What’s the top layover airport for flights from London Heathrow Airport to Sydney?
Share of 1-stop round-trip flights from London Heathrow Airport to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.
Hong Kong (HKG) – chosen by Cheapflights users on 40% of 1-stop itineraries from London Heathrow Airport to Sydney on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Sydney?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $1,176.
What’s the fastest layover option from London Heathrow Airport to Sydney?
Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dubai (DXB) have the shortest average one-way travel time for 1-stop routes: 21h 50m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Sydney?
Average layover duration for 1-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 layover time of 1h 53m.
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 September 7, 2026.
Read reviews from past customers who have flown Etihad Airways,China Southern, andAir India from London Heathrow Airport to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
7.1
Boarding
7.6
Entertainment
7.2
Overall
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentEric,Feb 2026
AUH - SYD
Comfort
7.3
Food
7.1
Boarding
7.6
Entertainment
7.2
Overall
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentEric,Feb 2026
AUH - SYD
Comfort
7.3
Food
7.1
Boarding
7.6
Entertainment
7.2
Overall
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentEric,Feb 2026
AUH - SYD
Comfort
7.3
Food
7.1
Boarding
7.6
Entertainment
7.2
Overall
7.3
Crew
7.8
Reviews
1 / 20
10.0
ExcellentEric,Feb 2026
AUH - SYD
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
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Top 3 airlines flying from Heathrow to Sydney
Discover the top 3 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$748 | Average$912 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$757 | Average$1,556 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$852 | Average$1,173 | FlexibilityNo cancel fee | On-timeN/A |