HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$658+ Cheap flights from Heathrow (LHR) to Sydney (SYD)

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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Sydney 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.

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 Sunday or Saturday and return on a Thursday

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 January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,019
(China Southern)

One-way from

$658
(Singapore Airlines)

Popular in

December

Cheapest in

March

Average price

$1,518
Provider with most accurate pricing for London Heathrow-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Sydney Kingsford Smith flights.
Search Deals
From London Heathrow to Sydney Kingsford Smith
Search Deals
One-way flight from London Heathrow to Sydney Kingsford Smith
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Heathrow to Sydney

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 January 17, 2025.

This China Southern deal was found by Cheapflights users on 1/16. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/165:15 pmLHR - SYD
2 stops40h 05mChina Southern
Thu 2/279:20 amSYD - LHR
2 stops43h 35mChina Southern
Deal found 1/16$1,019
This Turkish Airlines deal was found by Cheapflights users on 1/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/285:45 pmLHR - SYD
2 stops38h 15mTurkish Airlines
Thu 3/139:00 pmSYD - LHR
2 stops30h 10mTurkish Airlines
Deal found 1/15$1,020
This Mytrip deal was found by Cheapflights users on 1/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:10 pmLHR - SYD
1 stop28h 35mChina Airlines
Sun 9/710:10 pmSYD - LHR
1 stop27h 20mChina Airlines
Deal found 1/15$1,040
This Etihad Airways deal was found by Cheapflights users on 1/16. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:00 amLHR - SYD
1 stop34h 55mEtihad Airways
Tue 11/119:30 pmSYD - LHR
1 stop28h 00mEtihad Airways
Deal found 1/16$1,049
This China Eastern deal was found by Cheapflights users on 1/16. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/59:00 pmLHR - SYD
1 stop26h 00mChina Eastern
Sat 3/291:30 pmSYD - LHR
2 stops39h 10mChina Eastern
Deal found 1/16$1,057
This Mytrip deal was found by Cheapflights users on 1/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/255:40 pmLHR - SYD
3 stops34h 15mMultiple Airlines
Fri 2/288:50 pmSYD - LHR
2 stops33h 20mMultiple Airlines
Deal found 1/16$1,062
This Vietnam Airlines deal was found by Cheapflights users on 1/16. 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.
Sat 3/1511:00 amLHR - SYD
1 stop35h 50mVietnam Airlines
Sun 3/3011:15 amSYD - LHR
2 stops39h 50mVietnam Airlines
Deal found 1/16$1,076
This SWISS deal was found by Cheapflights users on 1/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:40 pmLHR - SYD
2 stops30h 10mSWISS
Wed 11/123:15 pmSYD - LHR
2 stops27h 50mSWISS
Deal found 1/16$1,092
This Tianjin Airlines deal was found by Cheapflights users on 1/15. 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 Tianjin Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/199:00 pmLHR - SYD
1 stop30h 50mTianjin Airlines
Fri 3/214:50 pmSYD - LHR
1 stop37h 10mTianjin Airlines
Deal found 1/15$1,095
This Qantas Airways deal was found by Cheapflights users on 1/16. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/208:10 pmLHR - SYD
1 stop23h 20mQantas Airways
Wed 3/53:55 pmSYD - LHR
1 stop25h 20mQantas Airways
Deal found 1/16$1,105
This Cathay Pacific deal was found by Cheapflights users on 1/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/235:50 pmLHR - SYD
1 stop28h 45mCathay Pacific
Mon 3/2410:20 pmSYD - LHR
1 stop27h 40mCathay Pacific
Deal found 1/15$1,106
This Malaysia Airlines deal was found by Cheapflights users on 1/15. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/239:25 pmLHR - SYD
1 stop25h 55mMalaysia Airlines
Sat 3/2210:15 pmSYD - LHR
1 stop28h 10mMalaysia Airlines
Deal found 1/15$1,114

Find flights from Heathrow to Sydney within your budget

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 2,558,603 searches. Data last updated January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 2/16

5:15 pm-8:20 pm

2 stops40h 05m

Sydney Kingsford Smith

Thu 2/27

9:20 am-5:55 pm

2 stops43h 35m

$1,019

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 2/28

5:45 pm-7:00 pm

2 stops38h 15m

Sydney Kingsford Smith

Thu 3/13

9:00 pm-4:10 pm

2 stops30h 10m

$1,020

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 5/8

8:55 pm-6:10 pm

1 stop36h 15m

Sydney Kingsford Smith

Mon 5/26

9:30 pm-6:45 am

1 stop42h 15m

$1,049

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 3/5

9:00 pm-10:00 am

1 stop26h 00m

Sydney Kingsford Smith

Sat 3/29

1:30 pm-5:40 pm

2 stops39h 10m

$1,057

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 2/25

5:40 pm-2:55 pm

3 stops34h 15m

Sydney Kingsford Smith

Fri 2/28

8:50 pm-7:10 pm

2 stops33h 20m

$1,062

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 3/15

11:00 am-9:50 am

1 stop35h 50m

Sydney Kingsford Smith

Sun 3/30

11:15 am-4:05 pm

2 stops39h 50m

$1,076

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 7/2

9:10 pm-10:45 am

1 stop28h 35m

Sydney Kingsford Smith

Fri 8/1

10:10 pm-4:30 pm

1 stop27h 20m

$1,082

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 2/19

9:00 pm-2:50 pm

1 stop30h 50m

Sydney Kingsford Smith

Fri 3/21

4:50 pm-7:00 pm

1 stop37h 10m

$1,095

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 2/20

8:10 pm-6:30 am

1 stop23h 20m

Sydney Kingsford Smith

Wed 3/5

3:55 pm-6:15 am

1 stop25h 20m

$1,105

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 2/23

5:50 pm-9:35 am

1 stop28h 45m

Sydney Kingsford Smith

Mon 3/24

10:20 pm-3:00 pm

1 stop27h 40m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 38 results
1
2
3
4

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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

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 round-trip flight from Heathrow to Sydney. Price data was last updated on January 10, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Sydney, you should look to book at least 90 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,051). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,643). 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 January 17, 2025.

It’s typically best to fly out from London Heathrow Airport to Sydney in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their London Heathrow Airport to Sydney flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday mornings 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 January 17, 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 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 January 17, 2025.
To help decide which airline to fly from London to Sydney, see what other customers have to say about Etihad Airways, Vietnam Airlines and Cathay Pacific. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.3
Very good
466 reviews

Entertainment

7.8

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.5

Boarding

8.4

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Asiana Airlines
8.3
Very good
466 reviews
Asiana Airlines
8.3
Very good
466 reviews

Entertainment

7.8

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.5

Boarding

8.4

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

China Airlines
8.2
Very good
737 reviews
Asiana Airlines
8.3
Very good
466 reviews

Entertainment

7.8

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.5

Boarding

8.4

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Emirates
8.1
Very good
3,350 reviews
Asiana Airlines
8.3
Very good
466 reviews

Entertainment

7.8

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.5

Boarding

8.4

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Singapore Airlines
8.1
Very good
1,327 reviews
Asiana Airlines
8.3
Very good
466 reviews

Entertainment

7.8

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.5

Boarding

8.4

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Fiji Airways
8.1
Very good
187 reviews
Asiana Airlines
8.3
Very good
466 reviews

Entertainment

7.8

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.5

Boarding

8.4

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from London Heathrow to Sydney. You should not have trouble finding flights to Kingsford Smith from London Heathrow; the airport handles an average of 3 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Sydney airport from London Heathrow. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

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

    Currently priced at $1,019, China Southern will fly you from London Heathrow Airport to Sydney and back. In addition to China Southern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Turkish Airlines and Etihad Airways - these airlines can fly you to your destination from $1,020 and $1,042, respectively. These flights start at 24% lower than the current average price 3 months from now.

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

    $658 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on Air India and China Eastern, with prices starting from $678 and $679, respectively.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,051). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,643). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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 for Heathrow to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Sydney flights

Top 8 airlines flying from Heathrow to Sydney

Discover the top 8 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 2,558,603 searches. Data last updated January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$747Average$1,038FlexibilityNo cancel feeOn-time67%
China SouthernCheapest$762Average$1,003FlexibilityNo cancel feeOn-time69%
Etihad AirwaysCheapest$1,029Average$1,545FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,065Average$1,423FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$1,107Average$1,776FlexibilityNo cancel feeOn-time72%
Malaysia AirlinesCheapest$1,128Average$1,697FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,197Average$1,583FlexibilityNo cancel feeOn-time74%
British AirwaysCheapest$1,253Average$1,525FlexibilityNo cancel feeOn-time70%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.