$469+ Cheap flights from Sydney (SYD) to Heathrow (LHR)
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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sydney to Heathrow with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Sydney to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sydney to HeathrowExplore 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 September 17, 2026.
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 September 17, 2026.
This Gotogate deal was found by Cheapflights users on 9/13. 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.
Wed 10/2810:30 am -
1 stop40h 25m
Wed 11/45:45 pm -
1 stop27h 20m
Deal found 9/13![Air China logo]()
$1,024
This FlightHub deal was found by Cheapflights users on 9/16. 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 10/158:40 pm -
1 stop33h 45m
Mon 10/268:25 pm -
1 stop24h 40m
Deal found 9/16![Air China logo]()
$1,025
This FlightHub deal was found by Cheapflights users on 9/16. 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 11/210:10 am -
1 stop40h 45m
Mon 11/235:45 pm -
2 stops39h 10m
Deal found 9/16![Multiple Airlines logo]()
$1,027
This China Southern deal was found by Cheapflights users on 9/14. 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.
Sun 11/83:15 pm -
1 stop38h 20m
Wed 11/1110:00 pm -
1 stop28h 35m
Deal found 9/14![China Southern logo]()
$1,029
This Gotogate deal was found by Cheapflights users on 9/15. 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.
Sun 10/412:00 pm -
1 stop40h 40m
Mon 10/199:20 pm -
1 stop26h 40m
Deal found 9/15![China Eastern logo]()
$1,035
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Fri 10/169:30 pm -
1 stop31h 10m
Sat 10/319:00 pm -
1 stop29h 35m
Deal found 9/17![China Eastern logo]()
$1,039
This Justfly.com deal was found by Cheapflights users on 9/16. 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.
Sun 10/2512:00 pm -
1 stop40h 30m
Sun 11/89:00 pm -
1 stop29h 35m
Deal found 9/16![China Eastern logo]()
$1,041
This Justfly.com deal was found by Cheapflights users on 9/16. 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 10/811:00 am -
2 stops41h 40m
Thu 10/299:00 pm -
1 stop29h 35m
Deal found 9/16![China Eastern logo]()
$1,042
This Justfly.com deal was found by Cheapflights users on 9/15. 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 10/1512:00 pm -
1 stop40h 40m
Mon 10/199:20 pm -
1 stop30h 15m
Deal found 9/15![China Eastern logo]()
$1,043
This Booking.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/1212:00 pm -
1 stop40h 40m
Wed 10/219:20 pm -
1 stop30h 15m
Deal found 9/12![China Eastern logo]()
$1,044
Best flights from Sydney to HeathrowDiscover carefully curated flight deals from Sydney to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Sydney to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Turkish Airlines deal was found by Cheapflights users on 9/12. 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 10/810:05 pm -
2 stops33h 00m
Thu 10/296:25 am -
2 stops26h 00m
Deal found 9/12![Turkish Airlines logo]()
$1,170
This Vietnam Airlines deal was found by Cheapflights users on 9/15. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:50 am -
2 stops30h 25m
Sat 11/1411:00 am -
1 stop35h 50m
Deal found 9/15![Vietnam Airlines logo]()
$1,345
This Finnair deal was found by Cheapflights users on 9/12. 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.
Sat 2/612:30 pm -
3 stops31h 40m
Sun 2/281:35 pm -
2 stops33h 00m
Deal found 9/12![Multiple Airlines logo]()
$1,679
This Turkish Airlines deal was found by Cheapflights users on 9/12. 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 10/2110:05 pm -
2 stops34h 20m
Sun 11/810:40 pm -
2 stops33h 45m
Deal found 9/12![Turkish Airlines logo]()
$1,170
This Turkish Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/910:05 pm -
2 stops47h 35m
Wed 10/284:30 pm -
2 stops39h 55m
Deal found 9/13![Turkish Airlines logo]()
$1,170
This Vietnam Airlines deal was found by Cheapflights users on 9/16. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:15 am -
2 stops64h 35m
Wed 10/2811:00 am -
1 stop39h 15m
Deal found 9/16![Vietnam Airlines logo]()
$1,414
This EVA Air deal was found by Cheapflights users on 9/12. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:40 pm -
3 stops34h 40m
Thu 10/299:20 pm -
3 stops49h 05m
Deal found 9/12![Multiple Airlines logo]()
$1,765
This Condor deal was found by Cheapflights users on 9/16. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:25 am -
3 stops33h 20m
Thu 12/39:30 am -
2 stops35h 05m
Deal found 9/16![Multiple Airlines logo]()
$2,350
Last-minute flights from Sydney to HeathrowDiscover last-minute flight deals from Sydney to Heathrow. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to Heathrow. Data last updated September 17, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/15. 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.
Sun 10/412:00 pm -
1 stop40h 40m
Mon 10/199:20 pm -
1 stop26h 40m
Deal found 9/15![China Eastern logo]()
$1,035
This Justfly.com deal was found by Cheapflights users on 9/16. 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 10/811:00 am -
2 stops41h 40m
Thu 10/299:00 pm -
1 stop29h 35m
Deal found 9/16![China Eastern logo]()
$1,042
This Booking.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/1212:00 pm -
1 stop40h 40m
Wed 10/219:20 pm -
1 stop30h 15m
Deal found 9/12![China Eastern logo]()
$1,044
This FlightHub deal was found by Cheapflights users on 9/14. 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 10/1411:05 am -
2 stops41h 35m
Wed 10/219:20 pm -
1 stop26h 40m
Deal found 9/14![China Eastern logo]()
$1,050
This FlightHub deal was found by Cheapflights users on 9/16. 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 10/158:40 pm -
1 stop33h 45m
Mon 10/268:25 pm -
1 stop24h 40m
Deal found 9/16![Air China logo]()
$1,025
This Justfly.com deal was found by Cheapflights users on 9/15. 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 10/1512:00 pm -
1 stop40h 40m
Mon 10/199:20 pm -
1 stop30h 15m
Deal found 9/15![China Eastern logo]()
$1,043
This FlightHub deal was found by Cheapflights users on 9/15. 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 10/1512:00 pm -
1 stop40h 40m
Tue 10/209:20 pm -
2 stops49h 40m
Deal found 9/15![China Eastern logo]()
$1,045
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Fri 10/169:30 pm -
1 stop31h 10m
Sat 10/319:00 pm -
1 stop29h 35m
Deal found 9/17![China Eastern logo]()
$1,039
This Justfly.com deal was found by Cheapflights users on 9/16. 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.
Sun 10/2512:00 pm -
1 stop40h 30m
Sun 11/89:00 pm -
1 stop29h 35m
Deal found 9/16![China Eastern logo]()
$1,041
This Gotogate deal was found by Cheapflights users on 9/13. 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.
Wed 10/2810:30 am -
1 stop40h 25m
Wed 11/45:45 pm -
1 stop27h 20m
Deal found 9/13![Air China logo]()
$1,024
One-way flights from Sydney to HeathrowSearch for one-way flight options from Sydney to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Sydney to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This FlightHub deal was found by Cheapflights users on 9/12. 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 10/1212:00 pm -
1 stop40h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![China Eastern logo]()
$469
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Wed 2/243:15 pm -
1 stop38h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![China Southern logo]()
$474
This Justfly.com deal was found by Cheapflights users on 9/14. 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 11/212:00 pm -
1 stop40h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![China Eastern logo]()
$477
This FlightHub deal was found by Cheapflights users on 9/16. 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 10/89:00 pm -
2 stops32h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Hainan Airlines logo]()
$481
This FlightHub deal was found by Cheapflights users on 9/14. 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 2/239:00 pm -
1 stop30h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Hainan Airlines logo]()
$482
This FlightHub deal was found by Cheapflights users on 9/15. 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 -
1 stop31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Hainan Airlines logo]()
$486
This Super.com deal was found by Cheapflights users on 9/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:35 pm -
1 stop43h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air India logo]()
$487
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Thu 12/319:00 pm -
2 stops31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Hainan Airlines logo]()
$488
This Justfly.com deal was found by Cheapflights users on 9/14. 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 2/2511:25 am -
1 stop42h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![China Southern logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/299:00 pm -
1 stop31h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Hainan Airlines logo]()
$492
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,024 (Gotogate) |
One-way from | $469 (FlightHub) |
Popular in | December |
Cheapest in | February |
Average price | $1,557 |
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Fri 11/20
9:35 pm-2:15 pm
2 stops27h 40m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$626
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Tue 9/29
9:05 pm-10:25 pm
2 stops34h 20m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$668
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 11/2
9:05 pm-5:20 pm
2 stops31h 15m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$699
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 10/12
3:15 pm-5:50 pm
2 stops36h 35m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$723
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 10/19
3:15 pm-5:50 pm
2 stops36h 35m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$726
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 11/30
9:05 pm-5:20 pm
2 stops31h 15m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$784
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 9/28
9:50 am-7:05 am
2 stops30h 15m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$799
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Mon 10/12
7:00 pm-7:20 pm
3 stops34h 20m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$816
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Sat 11/28
9:35 pm-10:30 pm
2 stops35h 55m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$831
SydneyLondon
SYD Sydney Kingsford Smith - LHR London Heathrow
SYDLHR
Sydney Kingsford Smith
Wed 12/2
8:45 am-9:25 pm
2 stops47h 40m
London Heathrow
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$835
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Sydney to Heathrow
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 Sydney to Heathrow in September.
| 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sydney-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sydney-London Heathrow Airport 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 Sydney-London Heathrow Airport 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 Sydney to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sydney with our price prediction graph.
SYD-LHR
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 Sydney to London Heathrow Airport
Prices
Airlines
More
How far ahead should I book a flight from Sydney to London Heathrow Airport?
The best time to book flights from Sydney to London Heathrow Airport is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Sydney to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,107). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,879). 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 September 17, 2026.
When flying from Sydney to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from Sydney to London Heathrow Airport?
Share of 1-stop round-trip flights from Sydney to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Tokyo (HND) – chosen by Cheapflights users on 50% of 1-stop itineraries from Sydney to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from Sydney to London Heathrow Airport?
Average round-trip fare for 1-stop flights from Sydney to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dubai (DXB) is the most affordable 1-stop option, with an average round-trip price of $1,704.
What’s the fastest layover option from Sydney to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from Sydney to London Heathrow Airport, 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: 25h 00m.
Which airport typically offers the quickest layover for flights from Sydney to London Heathrow Airport?
Average layover duration for 1-stop one-way flights from Sydney to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dubai (DXB) offer the fastest connection on this route, with an average layover time of 2h 03m.
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 September 17, 2026.
Get a feel of what it's like to fly with Singapore Airlines,Emirates, andQantas Airways from Sydney to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.8
Boarding
8.3
Overall
8.2
Crew
8.6
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Food
7.8
Boarding
8.3
Overall
8.2
Crew
8.6
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Food
7.8
Boarding
8.3
Overall
8.2
Crew
8.6
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Food
7.8
Boarding
8.3
Overall
8.2
Crew
8.6
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Food
7.8
Boarding
8.3
Overall
8.2
Crew
8.6
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Food
7.8
Boarding
8.3
Overall
8.2
Crew
8.6
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
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.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Heathrow flight routes
Other flight options
Other flights from Sydney
Popular flights
Alternative routes for Sydney to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sydney to Heathrow by cabin class
Find flights from Sydney to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Sydney and Heathrow flights
Browse other Sydney and Heathrow flight options. Last updated on September 17, 2026.
Other flights from Sydney
Browse through other flights departing from Sydney. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Sydney to Heathrow
Discover the top 8 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$901 | Average$1,457 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,017 | Average$1,942 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,061 | Average$1,830 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,063 | Average$1,176 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,102 | Average$1,457 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,218 | Average$1,888 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,407 | Average$1,714 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,448 | Average$1,726 | FlexibilityNo cancel fee | On-time70% |