Sydney

$592+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
Jun 17 — Jun 241
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Cheapflights Tip: 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 Wednesday or Monday 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 June 12, 2025.

Round-trip from

$982
(FlightHub)

One-way from

$592
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$1,237
From London Heathrow to Sydney Kingsford Smith
One-way flight from London Heathrow to Sydney Kingsford Smith
Highest demand for flights based on searches. 10% potential increase in price ($161 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/12. 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 11/310:00 pmLHR - SYD
1 stop24h 25mChina Southern
Mon 11/2411:25 amSYD - LHR
1 stop41h 50mChina Southern
Deal found 6/12$982
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:25 pmLHR - SYD
2 stops38h 05mMultiple Airlines
Mon 11/102:00 pmSYD - LHR
2 stops36h 55mMultiple Airlines
Deal found 6/12$989
This Booking.com deal was found by Cheapflights users on 6/12. 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.
Tue 11/48:25 pmLHR - SYD
1 stop32h 05mAir China
Thu 11/278:40 pmSYD - LHR
1 stop30h 15mAir China
Deal found 6/12$1,005
This Malaysia Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 9/279:35 pmLHR - SYD
1 stop27h 25mMalaysia Airlines
Mon 10/2712:10 pmSYD - LHR
1 stop28h 25mMalaysia Airlines
Deal found 6/11$1,019
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/91:15 pmLHR - SYD
1 stop43h 45mAir India
Mon 7/217:30 pmSYD - LHR
1 stop33h 30mAir India
Deal found 6/10$1,034
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:40 pmLHR - SYD
2 stops28h 00mLufthansa
Fri 11/73:50 pmSYD - LHR
2 stops29h 35mLufthansa
Deal found 6/11$1,050
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Tue 10/289:00 pmLHR - SYD
1 stop29h 35mChina Eastern
Fri 11/1412:00 pmSYD - LHR
1 stop40h 30mChina Eastern
Deal found 6/12$1,051
This SWISS deal was found by Cheapflights users on 6/11. 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.
Sun 10/266:00 amLHR - SYD
2 stops42h 50mSWISS
Wed 11/124:10 pmSYD - LHR
2 stops26h 55mSWISS
Deal found 6/11$1,060
This Austrian Airlines deal was found by Cheapflights users on 6/11. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:30 pmLHR - SYD
2 stops29h 50mAustrian Airlines
Wed 9/172:50 pmSYD - LHR
2 stops26h 30mAustrian Airlines
Deal found 6/11$1,103
This Etihad Airways deal was found by Cheapflights users on 6/11. 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 6/229:30 amLHR - SYD
1 stop22h 25mEtihad Airways
Mon 7/289:30 pmSYD - LHR
1 stop42h 30mEtihad Airways
Deal found 6/11$1,122
This Cathay Pacific deal was found by Cheapflights users on 6/11. 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.
Tue 10/288:15 pmLHR - SYD
1 stop24h 00mCathay Pacific
Sun 11/910:20 pmSYD - LHR
1 stop27h 40mCathay Pacific
Deal found 6/11$1,143
This China Airlines deal was found by Cheapflights users on 6/11. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:10 pmLHR - SYD
1 stop28h 35mChina Airlines
Mon 10/610:10 pmSYD - LHR
1 stop28h 20mChina Airlines
Deal found 6/11$1,171

Cheapflights Fare Finder

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 June 12, 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

Mon 11/3

10:00 pm-9:25 am

1 stop24h 25m

Sydney Kingsford Smith

Mon 11/24

11:25 am-6:15 pm

1 stop41h 50m

$982

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 9/1

8:25 pm-7:30 pm

2 stops38h 05m

Sydney Kingsford Smith

Mon 11/10

2:00 pm-3:55 pm

2 stops36h 55m

$989

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 11/4

8:25 pm-3:30 pm

1 stop32h 05m

Sydney Kingsford Smith

Thu 11/27

8:40 pm-3:55 pm

1 stop30h 15m

$1,005

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 9/27

9:35 pm-10:00 am

1 stop27h 25m

Sydney Kingsford Smith

Sun 10/12

2:05 pm-5:55 am

1 stop25h 50m

$1,019

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 7/9

1:15 pm-6:00 pm

1 stop43h 45m

Sydney Kingsford Smith

Mon 7/21

7:30 pm-8:00 pm

1 stop33h 30m

$1,034

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 10/28

1:50 pm-7:40 am

2 stops30h 50m

Sydney Kingsford Smith

Tue 11/11

3:50 pm-10:25 am

2 stops29h 35m

$1,050

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 10/28

9:00 pm-1:35 pm

1 stop29h 35m

Sydney Kingsford Smith

Fri 11/14

12:00 pm-5:30 pm

1 stop40h 30m

$1,051

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 10/26

6:00 am-11:50 am

2 stops42h 50m

Sydney Kingsford Smith

Wed 11/12

4:10 pm-8:05 am

2 stops26h 55m

$1,060

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 9/9

7:30 pm-10:20 am

2 stops29h 50m

Sydney Kingsford Smith

Wed 9/17

2:50 pm-8:20 am

2 stops26h 30m

$1,103

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 6/22

9:30 am-4:55 pm

1 stop22h 25m

Sydney Kingsford Smith

Mon 7/28

9:30 pm-7:00 am

1 stop42h 30m

$1,122

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 34 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 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 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 round-trip flight from Heathrow to Sydney. Price data was last updated on June 9, 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,041). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,635). 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 June 12, 2025.

It’s typically best to fly out from London Heathrow Airport to Sydney in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, 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 Sunday 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from London to Sydney, see what other customers have to say about China Airlines, Fiji Airways and Garuda Indonesia. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.3

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Overall

8.3

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Overall

8.3

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Overall

8.3

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Overall

8.3

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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 9 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 $982, 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 Air China and Malaysia Airlines - these airlines can fly you to your destination from $1,005 and $1,019, respectively. These flights start at 26% 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?

    $592 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Air India and China Southern, with prices starting from $631 and $649, 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $1,041). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,635). 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
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Heathrow to Sydney

Discover the top 9 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$747Average$951FlexibilityNo cancel feeOn-time67%
China SouthernCheapest$766Average$946FlexibilityNo cancel feeOn-time69%
China EasternCheapest$866Average$1,220FlexibilityNo cancel feeOn-time62%
Etihad AirwaysCheapest$1,029Average$1,532FlexibilityNo cancel feeOn-time75%
Cathay PacificCheapest$1,107Average$1,544FlexibilityNo cancel feeOn-time72%
Qantas AirwaysCheapest$1,120Average$1,438FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$1,181Average$1,619FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$1,188Average$1,627FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$1,326Average$1,525FlexibilityNo cancel feeOn-time70%

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