Cheap flights from London Heathrow Airport to Sydney from $960

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Sydney Kingsford Smith are usually found in May or March, booked 90 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Heathrow to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Sydney
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 5 December 2025.

Mon 29/1221:30LHR - SYD
2 stops29h 05mChina Southern
Mon 26/122:00SYD - LHR
1 stop31h 35mChina Southern
Deal found 1/12$1,562
Sat 27/1220:25LHR - SYD
1 stop32h 05mAir China
Wed 28/120:40SYD - LHR
1 stop30h 15mAir China
Deal found 2/12$1,565
Mon 29/1221:30LHR - SYD
2 stops29h 05mChina Southern
Thu 29/122:00SYD - LHR
2 stops30h 55mChina Southern
Deal found 3/12$1,573
Wed 31/1217:15LHR - SYD
2 stops51h 15mChina Southern
Wed 28/111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 2/12$1,583
Fri 26/1220:25LHR - SYD
1 stop32h 05mAir China
Mon 16/214:00SYD - LHR
1 stop38h 50mAir China
Deal found 2/12$1,586
Tue 2/1221:00LHR - SYD
1 stop26h 00mChina Eastern
Sun 21/1212:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 2/12$1,588
Wed 31/1217:15LHR - SYD
2 stops26h 20mChina Southern
Wed 21/115:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 3/12$1,589
Wed 31/1217:15LHR - SYD
2 stops26h 20mChina Southern
Tue 17/211:25SYD - LHR
2 stops37h 35mChina Southern
Deal found 2/12$1,592
Wed 31/1217:15LHR - SYD
2 stops26h 20mChina Southern
Tue 20/122:00SYD - LHR
1 stop31h 35mChina Southern
Deal found 2/12$1,595
Fri 5/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Sun 28/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Deal found 2/12$1,602

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 5 December 2025.

Round-trip from

$1,565

One-way from

$960

Popular in

December

Cheapest in

May

Average price

$2,648

Good round-trip deal

$2,036 or less

Good one-way deal

$1,874 or less
Etihad Airways
  • Etihad Airways
  • 14/3-27/4
  • 2 total stops
  • 51h 00m total
  • London to Sydney
Etihad Airways
  • Etihad Airways
  • 15/3
  • 1 total stop
  • 41h 00m total
  • London to Sydney
Highest demand for flights based on searches. 9% potential increase in price ($325 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($89 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from London Heathrow to Sydney Kingsford Smith.
Price to beat on a one-way flight from London Heathrow to Sydney Kingsford Smith.

Cheapflights Fare Finder

 
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 647,157 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.

Fly from

Heathrow

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 25/2

08:50-06:35

1 stop34h 45m

Sydney Kingsford Smith

Thu 5/3

21:45-12:05

1 stop25h 20m

$1,677

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 23/2

19:20-06:35

1 stop24h 15m

Sydney Kingsford Smith

Sat 14/3

21:45-18:10

1 stop31h 25m

$1,706

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 17/2

13:55-17:55

1 stop41h 00m

Sydney Kingsford Smith

Fri 27/2

21:45-12:05

1 stop25h 20m

$1,890

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 19/1

21:30-20:20

2 stops35h 50m

Sydney Kingsford Smith

Mon 9/2

11:25-18:35

2 stops42h 10m

$1,919

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 8/2

13:35-09:05

2 stops32h 30m

Sydney Kingsford Smith

Thu 26/3

11:50-07:30

1 stop30h 40m

$1,924

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 27/2

15:20-09:05

1 stop30h 45m

Sydney Kingsford Smith

Sat 21/3

12:10-07:25

1 stop30h 15m

$1,924

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 15/2

13:45-09:15

1 stop32h 30m

Sydney Kingsford Smith

Sat 28/2

11:20-06:20

2 stops30h 00m

$1,933

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 28/1

12:05-07:00

1 stop31h 55m

Sydney Kingsford Smith

Sat 28/2

12:10-07:25

1 stop30h 15m

$1,933

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 12/2

15:20-09:05

1 stop30h 45m

Sydney Kingsford Smith

Tue 24/2

11:20-05:55

2 stops29h 35m

$1,934

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 5/3

12:05-07:00

1 stop31h 55m

Sydney Kingsford Smith

Sat 21/3

11:50-07:30

1 stop30h 40m

$1,936

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 23 results
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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.
Estimated return 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

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 28 November 2025.

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Sydney?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,039). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,679). 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 5 December 2025.

It’s optimal to fly from London Heathrow Airport to Sydney in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.

How much does it cost for a return flight from London Heathrow Airport to Sydney?

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 5 December 2025.
Get a feel of what it's like to fly with Cathay Pacific, Qantas Airways, andChina Southern from London Heathrow Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Overall

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Overall

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Overall

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Overall

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Overall

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

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.
  • What airport do you fly into for flights to Sydney from London Heathrow?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith is the airport most travellers will use when flying to Sydney from London Heathrow. Booking flights from London Heathrow to Kingsford Smith (SYD) should be relatively easy as there are 3 daily inbound flights from London Heathrow from 14 different airlines.

  • How long is the flight from London Heathrow Airport to Sydney?

    Departing from London Heathrow Airport to Sydney will take you 32h 30m. There are 17008 km between London Heathrow Airport and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Sydney round-trip?

    China Southern, at $1,090, was found to be the cheapest airline from London Heathrow Airport to Sydney.Alternate airlines to your destination round-trip include Air China and China Eastern. China Southern is 45% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Sydney one-way?

    For one-way options, check prices for Air China. According to our data, you can fly for as low as $758. Users have also found prices from $820 and $847 on China Southern and Etihad Airways, respectively.

  • What are the cheapest flights from London Heathrow Airport to Sydney?

    Looking for the cheapest flight from London Heathrow Airport to Sydney? While on average our users pay $2,091, our data indicates the cheapest price to be $1,526. The most popular route (London Heathrow - Sydney Kingsford Smith), is priced around $1,112.

  • Can I find deals for flights from Heathrow to Sydney that include hotel bookings?

    Yes. In addition to deals on Heathrow to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Sydney.

  • Can I find deals for business class flights from Heathrow to Sydney?

    Yes. Cheapflights offers flight deals from Heathrow to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Sydney?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,039). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,679). 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.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

Browse thousands of different options on Cheapflights for your next trip

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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 5 December 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 647,157 searches. Data last updated 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$1,094Average$1,502FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest$1,172Average$1,945FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,319Average$1,623FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest$1,442Average$2,071FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Malaysia AirlinesCheapest$1,522Average$2,076FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,550Average$1,693FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Etihad AirwaysCheapest$1,571Average$2,635FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest$1,647Average$1,874FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
British AirwaysCheapest$1,661Average$1,821FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest$1,693Average$2,115FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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?

Cheapflights helps you search for flights from Heathrow to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Sydney become cheaper?

Of course! You can now track prices for flights from Heathrow to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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