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Cheap flights from London Heathrow Airport to Sydney from C$ 828

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
25 Feb — 4 Mar1
1 adult

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 20 February 2025.

Round-trip from

C$ 1,362

One-way from

C$ 828

Popular in

December

Cheapest in

March

Average price

C$ 1,797
Tianjin Airlines
  • Tianjin Airlines
  • 12/3-21/3
  • 2 total stops
  • 68h 00m total
  • London to Sydney
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Tianjin Airlines
  • Tianjin Airlines
  • 22/3
  • 1 total stop
  • 30h 50m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 333 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 78 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 20 February 2025.

Wed 12/39:00 p.m.LHR - SYD
1 stop30h 50mTianjin Airlines
Fri 21/34:50 p.m.SYD - LHR
1 stop37h 10mTianjin Airlines
Deal found 20/2C$ 1,362
Thu 20/38:25 p.m.LHR - SYD
1 stop32h 05mMultiple Airlines
Thu 27/39:00 p.m.SYD - LHR
2 stops31h 35mMultiple Airlines
Deal found 19/2C$ 1,382
Thu 20/39:30 p.m.LHR - SYD
2 stops35h 50mChina Southern
Thu 27/39:20 a.m.SYD - LHR
2 stops43h 35mChina Southern
Deal found 19/2C$ 1,383
Tue 28/105:40 p.m.LHR - SYD
1 stop34h 50mAir China
Tue 18/118:40 p.m.SYD - LHR
1 stop30h 15mAir China
Deal found 20/2C$ 1,402
Wed 5/31:55 p.m.LHR - SYD
1 stop29h 30mEtihad Airways
Thu 13/39:30 p.m.SYD - LHR
1 stop28h 00mEtihad Airways
Deal found 20/2C$ 1,445
Tue 28/108:00 p.m.LHR - SYD
2 stops36h 35mTurkish Airlines
Tue 18/119:15 p.m.SYD - LHR
2 stops28h 40mTurkish Airlines
Deal found 20/2C$ 1,446
Mon 10/111:50 p.m.LHR - SYD
2 stops35h 00mSWISS
Mon 17/113:15 p.m.SYD - LHR
2 stops41h 25mSWISS
Deal found 20/2C$ 1,543
Mon 2/66:55 p.m.LHR - SYD
1 stop32h 20mVietnam Airlines
Sun 20/710:15 a.m.SYD - LHR
2 stops39h 50mVietnam Airlines
Deal found 20/2C$ 1,544
Mon 25/89:10 p.m.LHR - SYD
1 stop28h 35mChina Airlines
Sun 7/910:10 p.m.SYD - LHR
1 stop27h 20mChina Airlines
Deal found 20/2C$ 1,555
Mon 27/109:25 p.m.LHR - SYD
1 stop25h 55mMalaysia Airlines
Sat 8/1110:15 p.m.SYD - LHR
1 stop28h 10mMalaysia Airlines
Deal found 20/2C$ 1,602
Mon 3/35:50 p.m.LHR - SYD
1 stop26h 25mCathay Pacific
Sun 16/310:20 p.m.SYD - LHR
1 stop27h 40mCathay Pacific
Deal found 20/2C$ 1,635
Thu 15/55:50 p.m.LHR - SYD
2 stops31h 30mLufthansa
Wed 28/53:00 p.m.SYD - LHR
2 stops36h 25mLufthansa
Deal found 20/2C$ 1,686

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 629,999 searches. Data last updated 20 February 2025.

Fly from

Heathrow

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 12/3

9:00 p.m.-2:50 p.m.

1 stop30h 50m

Sydney Kingsford Smith

Fri 21/3

4:50 p.m.-7:00 p.m.

1 stop37h 10m

C$ 1,362

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 20/3

8:25 p.m.-3:30 p.m.

1 stop32h 05m

Sydney Kingsford Smith

Thu 27/3

9:00 p.m.-5:35 p.m.

2 stops31h 35m

C$ 1,382

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 20/3

9:30 p.m.-8:20 p.m.

2 stops35h 50m

Sydney Kingsford Smith

Thu 27/3

9:20 a.m.-5:55 p.m.

2 stops43h 35m

C$ 1,383

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 5/3

1:55 p.m.-6:25 a.m.

1 stop29h 30m

Sydney Kingsford Smith

Thu 13/3

9:30 p.m.-2:30 p.m.

1 stop28h 00m

C$ 1,445

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 18/3

10:35 p.m.-7:05 p.m.

2 stops33h 30m

Sydney Kingsford Smith

Tue 1/4

9:55 p.m.-3:05 p.m.

2 stops27h 10m

C$ 1,476

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 2/6

6:55 p.m.-12:15 p.m.

1 stop32h 20m

Sydney Kingsford Smith

Sun 20/7

10:15 a.m.-5:05 p.m.

2 stops39h 50m

C$ 1,544

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 28/5

9:10 p.m.-10:45 a.m.

1 stop28h 35m

Sydney Kingsford Smith

Fri 13/6

10:10 p.m.-4:30 p.m.

1 stop27h 20m

C$ 1,557

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 15/5

8:40 a.m.-6:10 a.m.

2 stops36h 30m

Sydney Kingsford Smith

Mon 26/5

7:55 a.m.-7:55 a.m.

2 stops33h 00m

C$ 1,614

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/3

5:50 p.m.-7:15 a.m.

1 stop26h 25m

Sydney Kingsford Smith

Sun 16/3

10:20 p.m.-3:00 p.m.

1 stop27h 40m

C$ 1,635

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 14/3

10:25 a.m.-8:35 p.m.

1 stop23h 10m

Sydney Kingsford Smith

Tue 1/4

10:10 p.m.-4:35 p.m.

1 stop28h 25m

C$ 1,660

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

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 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 14 February 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of C$ 1,326). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of C$ 1,881). 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 20 February 2025.

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.

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 20 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 mm 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 20 February 2025.
Get a feel of what it's like to fly with China Airlines, Garuda Indonesia and KLM from London to Sydney by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.2
Very good
727 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Crew

8.5

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

China Airlines
8.2
Very good
727 reviews
China Airlines
8.2
Very good
727 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Crew

8.5

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Garuda Indonesia
8.1
Very good
76 reviews
China Airlines
8.2
Very good
727 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Crew

8.5

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

KLM
7.8
Good
1,333 reviews
China Airlines
8.2
Very good
727 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Crew

8.5

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

China Southern
7.6
Good
87 reviews
China Airlines
8.2
Very good
727 reviews
Check prices

Entertainment

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Crew

8.5

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

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), located 7.5 km from the city centre, is the airport you fly into when you book flights from London Heathrow to Sydney. 0 airlines have flights to Kingsford Smith from London Heathrow on a regular basis. Booking flights from London Heathrow to Sydney Kingsford Smith should not be difficult; the airport handles an average of 3 inbound flights from London Heathrow per day.

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

    Our cheapest airline available from London Heathrow Airport to Sydney is Tianjin Airlines. Our recent data shows that you can find tickets from as low as C$ 1,362 on this airline. Additional options worth looking into are China Southern and Etihad Airways, starting at C$ 1,383 and C$ 1,445 round-trip. Tianjin Airlines is currently priced 28% below the average price you’ll pay for this route.

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

    C$ 828 is the cheapest one-way deal found within the past few days, from Tianjin Airlines. You may also be able to find cheap deals on Etihad Airways and Qatar Airways, with prices starting from C$ 852 and C$ 1,054, 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 C$ 1,326). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of C$ 1,881). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Parramatta
Penrith

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