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Cheap flights from London Heathrow Airport to Sydney, Nova Scotia from £448

LHR — YQY
9 Oct — 16 Oct1
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

Tue 20/1019:30 -
2 stops49h 08m
Tue 27/1005:45 -
2 stops23h 20m
Deal found 5/9£448
Tue 20/1006:00 -
2 stops22h 45m
Tue 27/1005:45 -
1 stop22h 25m
Deal found 5/9£450
Thu 22/1011:30 -
2 stops17h 15m
Thu 29/1005:45 -
2 stops12h 15m
Deal found 7/9£461
Thu 22/1014:05 -
1 stop30h 33m
Thu 29/1005:45 -
2 stops12h 15m
Deal found 7/9£475
Thu 17/906:50 -
2 stops21h 55m
Mon 21/917:10 -
1 stop12h 50m
Deal found 3/9£492
Thu 24/906:50 -
2 stops21h 55m
Mon 28/905:05 -
1 stop26h 45m
Deal found 5/9£496

Find flight deals from Heathrow to Sydney

Round-trip from

£448

Popular in

November

Cheapest in

March

Average price

£533
Air Canada
  • Air Canada
  • 20/10-27/10
  • 4 total stops
  • 72h 28m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 38% potential increase in price (£374 potential increase over avg. return price).
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Cheapest flight prices on average. 16% potential price decrease (£86 potential savings vs. average return price).
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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 return flight

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 24/9

06:50-00:45

2 stops21h 55m

Sydney

Mon 28/9

05:05-11:50

1 stop26h 45m

£496

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Wed 21/10

17:55-16:38

2 stops26h 43m

Sydney

Wed 4/11

05:45-13:00

2 stops27h 15m

£532

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 22/10

11:05-16:38

2 stops33h 33m

Sydney

Tue 3/11

12:10-21:00

2 stops28h 50m

£540

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Wed 14/10

17:40-16:38

2 stops26h 58m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£559

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Wed 14/10

20:05-00:45

2 stops32h 40m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£567

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Tue 20/10

06:00-00:45

2 stops22h 45m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£568
Fastest return journey

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Tue 20/10

14:10-00:45

1 stop14h 35m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£575

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Tue 22/12

09:00-11:30

2 stops30h 30m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£761

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sun 13/9

06:00-16:07

3 stops38h 07m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£912

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Tue 15/9

22:40-16:07

2 stops45h 27m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£1,023

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 return price

Reviews of airlines servicing Sydney

Check out reviews from past customers who have flown with Air Canada from London Heathrow Airport to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,600 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Food

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information
Air Canada
7.1
Good
11,600 reviews
Air Canada
7.1
Good
11,600 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Food

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information

Related info for your journey

  • What airport do you fly into for flights to Sydney from London Heathrow?

    Most people fly into Sydney (YQY) if they book a flight to Sydney from London Heathrow. On average, Sydney has 0 inbound flights from London Heathrow per day from 1 airline. Sydney is conveniently located just 7.0 mi from Sydney’s city center.

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

    Airlines like Air Canada fly from London Heathrow Airport to Sydney, Nova Scotia in about 21h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between London Heathrow Airport and Sydney, Nova Scotia is about 2658 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to Sydney, Nova Scotia round-trip?

    According to our current data, Air Canada (£482), offers the cheapest pricing from London Heathrow Airport to Sydney, Nova Scotia. Air Canada is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Heathrow to Sydney

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£482Average£593FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Heathrow today and book when prices fit your budget.

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