
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,093 (China Eastern) |
One-way from | $595 (Trip.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,328 |
Fly from
Fly to
Route
Depart
Return
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 6/1
9:10 pm-10:45 am
1 stop28h 35m
Sydney Kingsford Smith
Thu 8/6
10:10 pm-4:30 pm
1 stop27h 20m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 6/1
9:30 am-4:50 pm
1 stop22h 20m
Sydney Kingsford Smith
Sun 6/14
3:40 pm-3:05 pm
1 stop32h 25m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 7/1
6:30 am-7:10 pm
2 stops27h 40m
Sydney Kingsford Smith
Sun 7/19
9:05 pm-3:10 pm
2 stops27h 05m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Thu 6/4
6:55 pm-8:15 am
1 stop28h 20m
Sydney Kingsford Smith
Mon 6/8
10:15 am-5:50 pm
1 stop40h 35m
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
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 6/1
9:30 am-9:50 pm
2 stops27h 20m
Sydney Kingsford Smith
Thu 8/6
8:45 pm-2:10 pm
1 stop26h 25m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 5/4
9:30 am-5:30 pm
1 stop23h 00m
Sydney Kingsford Smith
Tue 5/26
6:00 pm-2:00 pm
2 stops29h 00m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 5/6
6:30 am-7:10 pm
2 stops27h 40m
Sydney Kingsford Smith
Sun 5/10
9:05 pm-10:25 pm
2 stops34h 20m
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
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Thu 4/30
8:40 pm-6:05 am
1 stop24h 25m
Sydney Kingsford Smith
Sun 5/3
10:20 am-7:05 am
2 stops29h 45m
| 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 |
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Sydney, you should look to book at least 60 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.
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,120). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,778). 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.
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.
Hong Kong (HKG) – chosen by Cheapflights users on 40% of 1-stop itineraries from London Heathrow Airport to Sydney on Cheapflights.
Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $1,176.
Flights via Dubai (DXB) have the shortest average one-way travel time for 1-stop routes: 21h 50m.
Flights via Dubai (DXB) offer the fastest connection on this route, with an average layover time of 1h 53m.
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Wee Keng,Dec 2025
HKG - SIN
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Wee Keng,Dec 2025
HKG - SIN
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Wee Keng,Dec 2025
HKG - SIN
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Wee Keng,Dec 2025
HKG - SIN
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Wee Keng,Dec 2025
HKG - SIN
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Wee Keng,Dec 2025
HKG - SIN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$757 | Average$1,391 | 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$866 | Average$1,027 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$1,015 | Average$1,677 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,138 | Average$1,190 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,227 | Average$1,661 | FlexibilityNo cancel fee | On-time69% |