$595+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Sydney with Cheapflights
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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 October 24, 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 October 24, 2026.
This China Southern deal was found by Cheapflights users on 10/21. 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.
Thu 10/299:30 pm -
2 stops48h 55m
Thu 11/123:10 pm -
1 stop38h 25m
Deal found 10/21![China Southern logo]()
$1,014
This CheapOair deal was found by Cheapflights users on 10/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:15 pm -
2 stops40h 10m
Tue 2/233:10 pm -
1 stop38h 25m
Deal found 10/22![China Southern logo]()
$1,016
This CheapOair deal was found by Cheapflights users on 10/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:30 pm -
2 stops28h 50m
Wed 11/1811:25 am -
1 stop42h 10m
Deal found 10/24![China Southern logo]()
$1,018
This Booking.com deal was found by Cheapflights users on 10/20. 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.
Sun 11/112:30 pm -
1 stop35h 05m
Wed 11/2512:00 pm -
1 stop40h 30m
Deal found 10/20![Multiple Airlines logo]()
$1,020
This China Southern deal was found by Cheapflights users on 10/20. 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 11/115:15 pm -
2 stops29h 10m
Fri 11/2010:05 pm -
2 stops50h 55m
Deal found 10/20![China Southern logo]()
$1,022
This FlightHub deal was found by Cheapflights users on 10/24. 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.
Wed 11/119:00 pm -
1 stop26h 00m
Sun 11/229:30 pm -
1 stop31h 00m
Deal found 10/24![China Eastern logo]()
$1,024
This Justfly.com deal was found by Cheapflights users on 10/19. 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 11/199:00 pm -
1 stop29h 35m
Thu 11/2612:00 pm -
1 stop40h 30m
Deal found 10/19![China Eastern logo]()
$1,028
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 October 24, 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 October 24, 2026.
This Turkish Airlines deal was found by Cheapflights users on 10/22. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3110:40 pm -
2 stops33h 45m
Thu 1/289:35 pm -
2 stops28h 20m
Deal found 10/22![Turkish Airlines logo]()
$1,250
This Turkish Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 11/236:25 am -
2 stops26h 00m
Mon 12/79:50 am -
2 stops34h 55m
Deal found 10/24![Multiple Airlines logo]()
$1,303
This Shenzhen Airlines deal was found by Cheapflights users on 10/23. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/49:10 pm -
1 stop29h 30m
Sun 1/3110:10 pm -
1 stop32h 00m
Deal found 10/23![Shenzhen Airlines logo]()
$1,329
This Asiana Airlines deal was found by Cheapflights users on 10/22. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/15:40 pm -
1 stop27h 40m
Wed 3/310:20 am -
1 stop40h 15m
Deal found 10/22![Asiana Airlines logo]()
$1,563
This SWISS deal was found by Cheapflights users on 10/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/286:40 pm -
2 stops30h 10m
Sun 3/73:15 pm -
2 stops27h 50m
Deal found 10/22![SWISS logo]()
$1,605
This Qantas Airways deal was found by Cheapflights users on 10/24. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:10 pm -
2 stops26h 35m
Mon 12/74:30 pm -
1 stop24h 45m
Deal found 10/24![Qantas Airways logo]()
$1,711
This KLM deal was found by Cheapflights users on 10/21. 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.
Mon 12/75:05 pm -
3 stops27h 20m
Mon 3/111:50 am -
2 stops30h 50m
Deal found 10/21![KLM logo]()
$1,762
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:00 am -
1 stop34h 00m
Sat 1/3011:50 am -
2 stops29h 05m
Deal found 10/21![United Airlines logo]()
$1,803
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 11/115:55 pm -
2 stops38h 30m
Sun 11/229:35 pm -
2 stops35h 55m
Deal found 10/20![Turkish Airlines logo]()
$1,280
This KLM deal was found by Cheapflights users on 10/20. 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.
Mon 3/85:05 pm -
3 stops27h 20m
Sun 4/42:45 pm -
2 stops26h 10m
Deal found 10/20![Multiple Airlines logo]()
$1,774
This KLM deal was found by Cheapflights users on 10/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:05 pm -
3 stops27h 20m
Sun 11/2210:35 am -
3 stops32h 05m
Deal found 10/22![KLM logo]()
$1,862
This Finnair deal was found by Cheapflights users on 10/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:10 pm -
2 stops26h 25m
Tue 11/1012:30 pm -
3 stops31h 40m
Deal found 10/23![Multiple Airlines logo]()
$1,846
Last-minute flights from Heathrow to SydneyDiscover last-minute flight deals from Heathrow to Sydney. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Sydney. Data last updated October 24, 2026 and is based on user searches.
This China Southern deal was found by Cheapflights users on 10/21. 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.
Thu 10/299:30 pm -
2 stops48h 55m
Thu 11/123:10 pm -
1 stop38h 25m
Deal found 10/21![China Southern logo]()
$1,014
This Booking.com deal was found by Cheapflights users on 10/20. 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.
Sun 11/112:30 pm -
1 stop35h 05m
Wed 11/2512:00 pm -
1 stop40h 30m
Deal found 10/20![Multiple Airlines logo]()
$1,020
This CheapOair deal was found by Cheapflights users on 10/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:30 pm -
2 stops28h 50m
Wed 11/1811:25 am -
1 stop42h 10m
Deal found 10/24![China Southern logo]()
$1,018
This China Southern deal was found by Cheapflights users on 10/20. 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 11/115:15 pm -
2 stops29h 10m
Fri 11/2010:05 pm -
2 stops50h 55m
Deal found 10/20![China Southern logo]()
$1,022
This FlightHub deal was found by Cheapflights users on 10/24. 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.
Wed 11/119:00 pm -
1 stop26h 00m
Sun 11/229:30 pm -
1 stop31h 00m
Deal found 10/24![China Eastern logo]()
$1,024
This Justfly.com deal was found by Cheapflights users on 10/19. 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 11/199:00 pm -
1 stop29h 35m
Thu 11/2612:00 pm -
1 stop40h 30m
Deal found 10/19![China Eastern logo]()
$1,028
This Trip.com deal was found by Cheapflights users on 10/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:25 pm -
1 stop24h 40m
Mon 12/710:30 am -
1 stop40h 25m
Deal found 10/23![Air China logo]()
$1,033
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 October 24, 2026.
Search for one-way flight options from Heathrow to Sydney. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 12/49:10 pm -
3 stops52h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$595
This FlightHub deal was found by Cheapflights users on 10/21. 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 11/159:30 pm -
2 stops35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![China Southern logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Fri 11/209:10 pm -
2 stops51h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 12/65:15 pm -
2 stops26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![China Southern logo]()
$606
This FlightHub deal was found by Cheapflights users on 10/19. 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 11/199:00 pm -
3 stops73h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![China Eastern logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:15 pm -
2 stops33h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![China Southern logo]()
$610
This FlightHub deal was found by Cheapflights users on 10/23. 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.
Sun 11/229:00 pm -
3 stops73h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![China Eastern logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:05 pm -
2 stops52h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Sat 11/289:30 pm -
3 stops34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$628
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/1210:30 pm -
3 stops57h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$631
This Booking.com deal was found by Cheapflights users on 10/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:30 pm -
1 stop34h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![China Eastern logo]()
$632
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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,011 (Booking.com) |
One-way from | $595 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,375 |
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 October 24, 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
Wed 11/25
9:10 am-5:55 pm
1 stop21h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$808
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 2/15
8:05 am-10:25 pm
2 stops27h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$991
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 1/11
2:55 pm-7:20 pm
1 stop41h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$996
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 12/28
9:10 pm-1:40 pm
1 stop29h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,094
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Sun 11/15
6:25 am-6:30 am
3 stops37h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,103
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Fri 12/25
6:30 am-12:15 pm
2 stops42h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,136
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Tue 12/15
8:50 am-6:50 am
1 stop35h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,161
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 12/28
6:50 pm-8:20 am
1 stop26h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,186
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Fri 12/25
6:25 am-7:25 pm
2 stops26h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,204
LondonSydney
LHR London Heathrow - SYD Sydney Kingsford Smith
LHRSYD
London Heathrow
Mon 1/4
6:25 am-7:25 pm
2 stops26h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,222
Showing 1-10 of 23 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 October.
| 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 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
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 $1,221). 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 October 24, 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 October 24, 2026.
Read reviews from past customers who have flown Air China,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.
Entertainment
6.6
Overall
7.5
Boarding
7.8
Comfort
7.2
Food
7.3
Crew
8.1
Reviews
1 / 7
2.0
Mediocreguoliang,May 2026
PEK - LAX
Entertainment
6.6
Overall
7.5
Boarding
7.8
Comfort
7.2
Food
7.3
Crew
8.1
Reviews
1 / 7
2.0
Mediocreguoliang,May 2026
PEK - LAX
Entertainment
6.6
Overall
7.5
Boarding
7.8
Comfort
7.2
Food
7.3
Crew
8.1
Reviews
1 / 7
2.0
Mediocreguoliang,May 2026
PEK - LAX
Entertainment
6.6
Overall
7.5
Boarding
7.8
Comfort
7.2
Food
7.3
Crew
8.1
Reviews
1 / 7
2.0
Mediocreguoliang,May 2026
PEK - LAX
Entertainment
6.6
Overall
7.5
Boarding
7.8
Comfort
7.2
Food
7.3
Crew
8.1
Reviews
1 / 7
2.0
Mediocreguoliang,May 2026
PEK - LAX
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 4 airlines flying from Heathrow to Sydney
Discover the top 4 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 October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$566 | Average$697 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$748 | Average$922 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$852 | Average$1,173 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,096 | Average$1,381 | FlexibilityNo cancel fee | On-time75% |