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Cheap flights from London Heathrow Airport to Sydney from C$ 878

LHR — SYD
29 Oct — 5 Nov1
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 23/111:55 p.m. -
1 stop29h 35m
Tue 16/24:50 p.m. -
1 stop24h 50m
Deal found 24/9C$ 1,549
Wed 25/117:20 p.m. -
1 stop35h 25m
Thu 10/129:30 p.m. -
1 stop28h 00m
Deal found 23/9C$ 1,556
Mon 16/117:20 p.m. -
1 stop24h 10m
Fri 11/129:30 p.m. -
1 stop28h 00m
Deal found 24/9C$ 1,569
Fri 6/111:55 p.m. -
1 stop29h 35m
Tue 24/119:30 p.m. -
1 stop28h 00m
Deal found 24/9C$ 1,573
Fri 27/118:50 a.m. -
1 stop34h 40m
Thu 10/129:30 p.m. -
1 stop28h 00m
Deal found 23/9C$ 1,581
Fri 4/121:55 p.m. -
1 stop29h 35m
Sun 17/14:50 p.m. -
1 stop30h 15m
Deal found 25/9C$ 1,588
Sat 5/128:55 p.m. -
1 stop22h 35m
Sat 16/19:30 p.m. -
1 stop28h 00m
Deal found 26/9C$ 1,590
Fri 20/111:55 p.m. -
1 stop29h 35m
Thu 14/19:30 p.m. -
1 stop31h 40m
Deal found 27/9C$ 1,592
Fri 4/121:55 p.m. -
1 stop29h 35m
Thu 14/19:30 p.m. -
1 stop28h 00m
Deal found 24/9C$ 1,595
Fri 6/117:20 p.m. -
1 stop24h 10m
Fri 20/119:30 p.m. -
1 stop25h 35m
Deal found 24/9C$ 1,600
Fri 6/117:20 p.m. -
1 stop24h 10m
Fri 11/124:50 p.m. -
1 stop32h 40m
Deal found 23/9C$ 1,607
Wed 2/127:20 p.m. -
1 stop35h 25m
Mon 11/19:30 p.m. -
1 stop28h 00m
Deal found 28/9C$ 1,656

Find flight deals from Heathrow to Sydney

Round-trip from

C$ 1,549

One-way from

C$ 878

Popular in

December

Cheapest in

May

Average price

C$ 2,015
Etihad Airways
  • Etihad Airways
  • 23/11-16/2
  • 2 total stops
  • 54h 25m total
  • London to Sydney
Search Deals
8/11-31/12
  • 8/11-31/12
  • 3 total stops
  • 50h 15m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 90 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

5:30 p.m.-7:15 a.m.

2 stops26h 45m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,280
Quickest round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 13/1

5:55 p.m.-7:10 a.m.

2 stops26h 15m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,286

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 1/2

8:05 a.m.-10:30 p.m.

2 stops27h 25m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,408

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 31/1

9:30 p.m.-8:05 p.m.

3 stops35h 35m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,450

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Fri 29/1

9:30 p.m.-8:05 p.m.

3 stops35h 35m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,450

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 24/10

8:25 a.m.-10:20 p.m.

2 stops27h 55m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,554

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 5/12

7:20 p.m.-6:30 a.m.

1 stop24h 10m

Sydney Kingsford Smith

Thu 24/12

4:50 p.m.-6:40 a.m.

1 stop24h 50m

C$ 1,588

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Fri 25/12

6:30 a.m.-12:15 p.m.

2 stops42h 45m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,616

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 5/10

3:05 p.m.-9:00 a.m.

2 stops31h 55m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,674

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 11/11

5:05 p.m.-7:25 a.m.

3 stops27h 20m

Sydney Kingsford Smith

Wed 31/12

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

Nonstop0h 00m

C$ 1,680

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/9

Showing 1-10 of 23 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 36 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$ 1,726). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of C$ 2,742). 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 below average for this route at the moment.

London Heathrow Airport to Sydney flights typically cost between C$ 1,572 and C$ 2,333 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,549 on Etihad Airways (23 Nov-16 Feb).

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 2 inbound flights from London Heathrow per day.

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

    For as low as C$ 1,588, Etihad Airways can have you in Sydney from London Heathrow Airport in 24h 10m. 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$ 1,726). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of C$ 2,742). 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
Bondi Beach
Parramatta

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