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Cheap flights from London Heathrow Airport to Sydney from C$ 948

LHR — SYD
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Sydney

Mon 7/1210:00 p.m. -
1 stop34h 45m
Mon 14/1210:30 p.m. -
1 stop48h 00m
Deal found 9/11C$ 1,690
Sat 28/119:00 p.m. -
1 stop29h 35m
Sun 13/1212:00 p.m. -
1 stop40h 30m
Deal found 13/11C$ 1,700
Wed 30/129:10 p.m. -
1 stop29h 30m
Tue 19/110:10 p.m. -
1 stop32h 00m
Deal found 13/11C$ 1,725
Wed 30/129:10 p.m. -
1 stop29h 30m
Mon 8/310:10 p.m. -
1 stop33h 20m
Deal found 11/11C$ 1,744
Mon 7/126:25 a.m. -
2 stops26h 00m
Thu 25/29:35 p.m. -
2 stops28h 20m
Deal found 14/11C$ 1,754
Mon 7/126:25 a.m. -
2 stops26h 00m
Thu 18/29:35 p.m. -
2 stops29h 45m
Deal found 13/11C$ 1,755
Thu 31/126:25 a.m. -
2 stops26h 00m
Tue 2/29:35 p.m. -
2 stops35h 55m
Deal found 13/11C$ 1,758

Find flight deals from Heathrow to Sydney

Round-trip from

C$ 1,617

One-way from

C$ 948

Popular in

December

Cheapest in

May

Average price

C$ 1,884
Shenzhen Airlines
  • Shenzhen Airlines
  • 19/2-8/3
  • 2 total stops
  • 62h 50m total
  • London to Sydney
Search Deals
Tianjin Airlines
  • Tianjin Airlines
  • 16/1-31/12
  • 1 total stop
  • 30h 50m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 230 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 85 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Thu 11/2

1:55 p.m.-5:45 p.m.

1 stop40h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,222

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 30/11

11:00 a.m.-9:50 a.m.

2 stops59h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,355

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 10/3

6:55 p.m.-5:05 p.m.

3 stops35h 10m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,392

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 7/3

3:30 p.m.-6:35 p.m.

3 stops40h 05m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,442

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 11/1

6:25 a.m.-6:30 a.m.

3 stops37h 05m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,564

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 9/12

8:10 p.m.-8:50 p.m.

1 stop37h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,578

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Fri 25/12

7:40 a.m.-8:50 p.m.

2 stops26h 10m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,663

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 17/1

11:55 a.m.-10:05 p.m.

2 stops47h 10m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,758

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Thu 31/12

3:30 p.m.-4:20 p.m.

3 stops37h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,801
Quickest round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 26/12

6:25 a.m.-7:25 p.m.

2 stops26h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,912

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 24 resultsSorted by cheapest first
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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

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?

Booking 31 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of C$ 1,747). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of C$ 2,723). 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?

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.

How much does it cost to fly round-trip from London Heathrow Airport to Sydney?

Airfare is typical for this route at the moment.

London Heathrow Airport to Sydney flights typically cost between C$ 1,581 and C$ 2,156 in February.
The cheapest round-trip price found within the last 5 days was C$ 1,617 on Shenzhen Airlines (19 Feb-8 Mar).

Related info for your journey

  • 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.

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

    For as low as C$ 2,274, Etihad Airways can have you in Sydney from London Heathrow Airport in 23h 55m. London Heathrow Airport and Sydney are separated by a distance of 17008 km. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of C$ 1,747). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of C$ 2,723). 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?

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Bondi Beach
Parramatta

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