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Cheap flights from London Heathrow Airport to Sydney, Nova Scotia from £452

LHR — YQY
4 Oct — 11 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

Fri 16/1008:40 -
2 stops20h 05m
Fri 23/1017:20 -
2 stops23h 40m
Deal found 1/9£452
Thu 17/906:50 -
2 stops21h 55m
Mon 21/917:10 -
2 stops23h 50m
Deal found 2/9£491
Sat 17/1016:00 -
2 stops28h 38m
Sat 24/1017:20 -
1 stop10h 50m
Deal found 2/9£496
Wed 21/1017:55 -
2 stops26h 43m
Wed 4/1105:45 -
2 stops27h 15m
Deal found 4/9£533

Find flight deals from Heathrow to Sydney

Round-trip from

£452

Popular in

November

Cheapest in

March

Average price

£534
Air Canada
  • Air Canada
  • 16/10-23/10
  • 4 total stops
  • 43h 45m 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 (£87 potential savings vs. average return 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.

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Route

Depart

Return

Price

Cheapest return flight

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Fri 16/10

08:40-00:45

2 stops20h 05m

Sydney

Fri 23/10

17:20-21:00

2 stops23h 40m

£452

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 17/9

06:50-00:45

2 stops21h 55m

Sydney

Mon 21/9

17:10-10:00

1 stop12h 50m

£492

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

£533

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

£560

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

£568

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Fri 2/10

09:50-00:45

2 stops18h 55m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£598

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Mon 5/10

09:50-00:45

2 stops18h 55m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£598

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sun 4/10

09:50-00:45

2 stops18h 55m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£631

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sat 3/10

06:15-00:45

2 stops22h 30m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£830

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sun 4/10

08:15-00:45

2 stops20h 30m

Sydney

Wed 31/12

00:00-05:00

Nonstop0h 00m

£834

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
11,579 reviews
Check prices

Crew

7.8

Comfort

7.1

Overall

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

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
11,579 reviews
Air Canada
7.1
Good
11,579 reviews
Check prices

Crew

7.8

Comfort

7.1

Overall

7.1

Boarding

7.3

Food

6.3

Entertainment

6.8

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

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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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