$598+ Cheap flights from Heathrow (LHR) to Sydney (SYD)
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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
May 26 — Jun 21
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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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 April 26, 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 April 26, 2026.
This China Eastern deal was found by Cheapflights users on 4/24. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:00 pm
LHR
- SYD
1 stop26h 00m
China Eastern
Tue 11/1712:00 pm
SYD
- LHR
1 stop40h 30m
China Eastern
Deal found 4/24![China Eastern logo]()
$1,034
This China Eastern deal was found by Cheapflights users on 4/24. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/299:00 pm
LHR
- SYD
1 stop29h 35m
China Eastern
Mon 1/189:30 pm
SYD
- LHR
1 stop31h 00m
China Eastern
Deal found 4/24![China Eastern logo]()
$1,036
This China Eastern deal was found by Cheapflights users on 4/25. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:00 pm
LHR
- SYD
1 stop26h 00m
China Eastern
Thu 11/129:30 pm
SYD
- LHR
1 stop31h 00m
China Eastern
Deal found 4/25![China Eastern logo]()
$1,037
This China Eastern deal was found by Cheapflights users on 4/23. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:00 pm
LHR
- SYD
1 stop29h 35m
China Eastern
Sun 11/89:30 pm
SYD
- LHR
1 stop31h 00m
China Eastern
Deal found 4/23![China Eastern logo]()
$1,038
This China Eastern deal was found by Cheapflights users on 4/26. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:00 pm
LHR
- SYD
1 stop29h 35m
China Eastern
Sun 11/89:30 pm
SYD
- LHR
1 stop31h 00m
China Eastern
Deal found 4/26![China Eastern logo]()
$1,040
This China Eastern deal was found by Cheapflights users on 4/24. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:20 pm
LHR
- SYD
2 stops49h 40m
China Eastern
Wed 10/2812:00 pm
SYD
- LHR
1 stop40h 30m
China Eastern
Deal found 4/24![China Eastern logo]()
$1,043
This FlightHub deal was found by Cheapflights users on 4/25. 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 10/289:00 pm
LHR
- SYD
1 stop29h 35m
China Eastern
Wed 11/189:30 pm
SYD
- LHR
1 stop31h 00m
China Eastern
Deal found 4/25![China Eastern logo]()
$1,054
This FlightHub deal was found by Cheapflights users on 4/24. 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 10/209:20 pm
LHR
- SYD
3 stops49h 40m
China Eastern
Mon 11/212:00 pm
SYD
- LHR
1 stop40h 30m
China Eastern
Deal found 4/24![China Eastern logo]()
$1,056
This Justfly.com deal was found by Cheapflights users on 4/25. 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.
Thu 9/32:00 pm
LHR
- SYD
1 stop43h 25m
Air India
Thu 9/248:00 pm
SYD
- LHR
1 stop32h 00m
Air India
Deal found 4/25![Air India logo]()
$1,073
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 April 26, 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 April 26, 2026.
This China Eastern deal was found by Cheapflights users on 4/22. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:20 pm
LHR
- SYD
3 stops73h 40m
China Eastern
Sun 11/89:30 pm
SYD
- LHR
1 stop31h 00m
China Eastern
Deal found 4/22![China Eastern logo]()
$1,214
This China Airlines deal was found by Cheapflights users on 4/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:10 pm
LHR
- SYD
1 stop28h 35m
China Airlines
Thu 11/1210:10 pm
SYD
- LHR
1 stop29h 45m
China Airlines
Deal found 4/25![China Airlines logo]()
$1,223
This Turkish Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 9/2210:40 pm
LHR
- SYD
2 stops35h 30m
Turkish Airlines
Fri 10/29:05 pm
SYD
- LHR
2 stops27h 05m
Turkish Airlines
Deal found 4/23![Turkish Airlines logo]()
$1,477
This Oman Air deal was found by Cheapflights users on 4/26. 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.
Thu 6/48:50 pm
LHR
- SYD
2 stops51h 50m
Oman Air
Thu 6/259:15 am
SYD
- LHR
2 stops42h 55m
Oman Air
Deal found 4/26![Oman Air logo]()
$1,478
This Qatar Airways deal was found by Cheapflights users on 4/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:30 am
LHR
- SYD
1 stop23h 00m
Qatar Airways
Sun 5/316:30 pm
SYD
- LHR
2 stops27h 45m
Qatar Airways
Deal found 4/25![Qatar Airways logo]()
$1,554
This China Eastern deal was found by Cheapflights users on 4/26. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:20 pm
LHR
- SYD
1 stop30h 15m
China Eastern
Mon 7/610:00 am
SYD
- LHR
2 stops65h 40m
China Eastern
Deal found 4/26![China Eastern logo]()
$1,257
This China Airlines deal was found by Cheapflights users on 4/23. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:15 pm
LHR
- SYD
2 stops54h 30m
China Airlines
Thu 11/1210:10 pm
SYD
- LHR
1 stop29h 45m
China Airlines
Deal found 4/23![China Airlines logo]()
$1,327
This Qatar Airways deal was found by Cheapflights users on 4/24. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:05 am
LHR
- SYD
1 stop24h 25m
Qatar Airways
Sun 6/76:00 pm
SYD
- LHR
2 stops29h 05m
Qatar Airways
Deal found 4/24![Qatar Airways logo]()
$1,591
This China Airlines deal was found by Cheapflights users on 4/24. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:10 pm
LHR
- SYD
1 stop28h 35m
China Airlines
Thu 9/310:10 pm
SYD
- LHR
1 stop27h 20m
China Airlines
Deal found 4/24![China Airlines logo]()
$1,454
This Turkish Airlines deal was found by Cheapflights users on 4/24. 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 6/36:30 am
LHR
- SYD
2 stops27h 40m
Turkish Airlines
Wed 6/249:05 pm
SYD
- LHR
2 stops27h 05m
Turkish Airlines
Deal found 4/24![Turkish Airlines logo]()
$1,617
Last-minute flights from Heathrow to SydneyDiscover last-minute flight deals from Heathrow to Sydney. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Sydney. Data last updated April 26, 2026 and is based on user searches.
This China Eastern deal was found by Cheapflights users on 4/23. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:20 pm
LHR
- SYD
3 stops49h 40m
China Eastern
Sat 5/1610:00 am
SYD
- LHR
3 stops65h 40m
China Eastern
Deal found 4/23![China Eastern logo]()
$1,093
This FlightHub deal was found by Cheapflights users on 4/23. 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 5/122:45 pm
LHR
- SYD
1 stop41h 05m
Etihad Airways
Sun 5/313:40 pm
SYD
- LHR
1 stop36h 05m
Etihad Airways
Deal found 4/23![Etihad Airways logo]()
$1,221
This Justfly.com deal was found by Cheapflights users on 4/22. 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.
Mon 5/1810:10 pm
LHR
- SYD
1 stop36h 15m
China Southern
Mon 6/82:10 pm
SYD
- LHR
1 stop38h 10m
China Southern
Deal found 4/22![China Southern logo]()
$1,181
This Gotogate deal was found by Cheapflights users on 4/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:20 pm
LHR
- SYD
1 stop30h 15m
China Eastern
Mon 5/258:30 pm
SYD
- LHR
1 stop31h 10m
China Eastern
Deal found 4/24![China Eastern logo]()
$1,205
This FlightHub deal was found by Cheapflights users on 4/26. 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 5/1910:10 pm
LHR
- SYD
1 stop36h 15m
China Southern
Tue 6/92:10 pm
SYD
- LHR
1 stop38h 10m
China Southern
Deal found 4/26![China Southern logo]()
$1,179
This Gotogate deal was found by Cheapflights users on 4/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:00 pm
LHR
- SYD
2 stops37h 25m
China Southern
Tue 6/210:05 am
SYD
- LHR
2 stops39h 10m
China Southern
Deal found 4/26![China Southern logo]()
$1,159
This SmartFares deal was found by Cheapflights users on 4/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:45 pm
LHR
- SYD
1 stop34h 05m
Etihad Airways
Tue 6/23:40 pm
SYD
- LHR
1 stop30h 05m
Etihad Airways
Deal found 4/26![Etihad Airways logo]()
$1,219
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 April 26, 2026.
Search for one-way flight options from Heathrow to Sydney. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/26:30 am
LHR
- SYD
3 stops51h 50m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 5/1810:05 pm
LHR
- SYD
2 stops48h 15m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/96:30 am
LHR
- SYD
3 stops44h 15m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$627
This Trip.com deal was found by Cheapflights users on 4/25. 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.
Mon 6/84:15 pm
LHR
- SYD
3 stops30h 05m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$631
This FlightHub deal was found by Cheapflights users on 4/26. 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 9/19:20 pm
LHR
- SYD
1 stop26h 40m
China Eastern
Deal found 4/26![China Eastern logo]()
$635
This FlightHub deal was found by Cheapflights users on 4/25. 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 8/181:15 pm
LHR
- SYD
1 stop44h 10m
Air India
Deal found 4/25![Air India logo]()
$647
This Trip.com deal was found by Cheapflights users on 4/22. 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.
Wed 5/1310:00 am
LHR
- SYD
3 stops48h 20m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$653
This China Eastern deal was found by Cheapflights users on 4/23. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:20 pm
LHR
- SYD
3 stops49h 40m
China Eastern
Deal found 4/23![China Eastern logo]()
$654
This China Eastern deal was found by Cheapflights users on 4/22. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:20 pm
LHR
- SYD
2 stops49h 40m
China Eastern
Deal found 4/22![China Eastern logo]()
$655
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 April 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,043 (China Eastern) |
One-way from | $598 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,333 |
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 2,558,603 searches. Data last updated April 26, 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
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 10/14
9:20 pm-9:00 am
3 stops73h 40m
Sydney Kingsford Smith
Sun 11/8
9:30 pm-5:30 pm
1 stop31h 00m
$1,214
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Fri 10/23
9:10 pm-11:45 am
1 stop28h 35m
Sydney Kingsford Smith
Thu 11/12
10:10 pm-4:55 pm
1 stop29h 45m
$1,223
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 6/10
9:20 pm-12:35 pm
1 stop30h 15m
Sydney Kingsford Smith
Mon 7/6
10:00 am-6:40 pm
2 stops65h 40m
$1,257
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 8/18
7:15 pm-10:45 am
2 stops54h 30m
Sydney Kingsford Smith
Thu 11/12
10:10 pm-4:55 pm
1 stop29h 45m
$1,327
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 8/25
9:10 pm-10:45 am
1 stop28h 35m
Sydney Kingsford Smith
Thu 9/3
10:10 pm-4:30 pm
1 stop27h 20m
$1,454
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 9/22
10:40 pm-7:10 pm
2 stops35h 30m
Sydney Kingsford Smith
Fri 10/2
9:05 pm-3:10 pm
2 stops27h 05m
$1,477
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Thu 6/4
8:50 pm-9:40 am
2 stops51h 50m
Sydney Kingsford Smith
Thu 6/25
9:15 am-7:10 pm
2 stops42h 55m
$1,478
Quickest round-trip
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 5/12
9:30 am-5:30 pm
1 stop23h 00m
Sydney Kingsford Smith
Sun 5/31
6:30 pm-1:15 pm
2 stops27h 45m
$1,554
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Sun 5/10
8:05 am-5:30 pm
1 stop24h 25m
Sydney Kingsford Smith
Sun 6/7
6:00 pm-2:05 pm
2 stops29h 05m
$1,591
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 6/3
6:30 am-7:10 pm
2 stops27h 40m
Sydney Kingsford Smith
Wed 6/24
9:05 pm-3:10 pm
2 stops27h 05m
$1,617
Showing 1-10 of 17 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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 Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| 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 59 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 $1,121). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,788). 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 April 26, 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 April 26, 2026.
Read reviews from past customers who have flown Singapore Airlines,China Southern, andEtihad Airways 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
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Boarding
8.3
Food
7.8
Reviews
1 / 20
10.0
ExcellentWee Keng,Dec 2025
HKG - SIN
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Boarding
8.3
Food
7.8
Reviews
1 / 20
10.0
ExcellentWee Keng,Dec 2025
HKG - SIN
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Boarding
8.3
Food
7.8
Reviews
1 / 20
10.0
ExcellentWee Keng,Dec 2025
HKG - SIN
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Boarding
8.3
Food
7.8
Reviews
1 / 20
10.0
ExcellentWee Keng,Dec 2025
HKG - SIN
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Boarding
8.3
Food
7.8
Reviews
1 / 20
10.0
ExcellentWee Keng,Dec 2025
HKG - SIN
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Boarding
8.3
Food
7.8
Reviews
1 / 20
10.0
ExcellentWee Keng,Dec 2025
HKG - SIN
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
Manly
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Top 7 airlines flying from Heathrow to Sydney
Discover the top 7 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 2,558,603 searches. Data last updated April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$757 | Average$1,389 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$840 | Average$989 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$852 | Average$1,173 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$906 | Average$1,027 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$1,138 | Average$1,190 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,227 | Average$1,661 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,279 | Average$1,685 | FlexibilityNo cancel fee | On-time81% |