Cheap flights from London Heathrow Airport to Sydney from £456
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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
The best prices from London Heathrow to Sydney Kingsford Smith are usually found in March or May, booked 90 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap 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 21 February 2025.
Round-trip from | £731 |
---|---|
One-way from | £456 |
Popular in | December |
Cheapest in | March |
Average price | £1,002 |
Good round-trip deal | £1,032 or less |
Good one-way deal | £897 or less |
Find flight deals from Heathrow to Sydney
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 21 February 2025.
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 21 February 2025.
Find flights from Heathrow to Sydney within your budget
Customise 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 858,174 searches. Data last updated 21 February 2025.
Fly from
Fly to
Route
Depart
Return
Price
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Thu 20/3
21:00-13:35
1 stop29h 35m
Sydney Kingsford Smith
Wed 11/6
20:30-18:40
1 stop31h 10m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 18/3
21:30-20:20
2 stops35h 50m
Sydney Kingsford Smith
Thu 3/4
22:15-18:05
2 stops29h 50m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Wed 12/3
09:00-18:35
1 stop22h 35m
Sydney Kingsford Smith
Fri 14/3
16:50-19:00
1 stop37h 10m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 3/3
19:20-06:25
1 stop24h 05m
Sydney Kingsford Smith
Tue 18/3
07:30-06:45
2 stops34h 15m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Fri 9/5
20:25-14:50
1 stop33h 25m
Sydney Kingsford Smith
Sat 31/5
19:40-20:30
1 stop33h 50m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 4/3
17:45-19:05
2 stops38h 20m
Sydney Kingsford Smith
Tue 25/3
21:00-14:55
2 stops28h 55m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Mon 31/3
09:30-19:10
1 stop23h 40m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Fri 18/4
22:10-19:40
1 stop36h 30m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Sat 22/3
21:00-14:50
1 stop30h 50m
LondonSydney
LHR - SYD
LHRSYD
London Heathrow
Tue 13/5
11:25-16:45
1 stop44h 20m
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.
Travel insights for flights from Heathrow to Sydney
Get recent, data-driven insights about flights from Heathrow to Sydney including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London Heathrow Airport to Sydney?
Use this chart to determine the optimal time to book a return flight from Heathrow to Sydney. Price data was last updated on 14 February 2025.
The best time to book flights from London Heathrow Airport to Sydney is 90 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 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 £985). Flying from London Heathrow Airport to Sydney in July is currently the most expensive (average of £1,728). 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 21 February 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 24% on flights from London Heathrow Airport to Sydney by exploring options for tickets in the afternoon.
What is the cheapest day to fly from London Heathrow Airport to Sydney?
Use this chart to determine the cheapest time to fly return from Heathrow to Sydney. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London Heathrow Airport to Sydney flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London Heathrow Airport to Sydney
Explore weekly flight availability from Heathrow to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2025.
The most flights from LHR to SYD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in Sydney by month
Plan your trip to Sydney by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.
Temperature in Sydney by month
Plan your trip to Sydney by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).
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 21 February 2025.
Get a feel of what it's like to fly with Singapore Airlines, KLM and Vietnam Airlines from London to Sydney by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SIN - JNB
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SIN - JNB
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SIN - JNB
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SIN - JNB
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SIN - JNB
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Anonymous,Nov 2024
SIN - JNB
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.
Travelling to a place near London Heathrow Airport?
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Fly from Heathrow to Sydney on these airlines
Choose from the following airlines for your flight from Heathrow to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 21 February 2025.
Top 10 airlines flying from Heathrow to Sydney
Discover the top 10 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 858,174 searches. Data last updated 21 February 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Sydney?
Deals for Heathrow to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sydney?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Sydney.
Can Cheapflights find flights from Heathrow to Sydney with no change fees?
Yes, we can. To see specific flights from Heathrow to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Heathrow to Sydney become cheaper?
Yes, Cheapflights offers price alerts on Heathrow to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.