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Cheap flights from London Heathrow Airport to Sydney, Nova Scotia from £507

LHR — YQY
20 Sep — 27 Sep1
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

Wed 16/909:30 -
1 stop10h 37m
Sun 20/917:10 -
2 stops33h 20m
Deal found 16/8£507
Sun 18/1018:00 -
2 stops26h 38m
Wed 4/1105:45 -
2 stops20h 10m
Deal found 19/8£545
Sat 3/1009:30 -
2 stops19h 15m
Sat 10/1017:20 -
1 stop12h 40m
Deal found 19/8£574

Find flight deals from Heathrow to Sydney

Round-trip from

£507

Popular in

November

Cheapest in

March

Average price

£823
Air Canada
  • Air Canada
  • 16/9-20/9
  • 2 total stops
  • 23h 27m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 38% potential increase in price (£367 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).
Search Deals
Average for round-trip flights in August 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

Wed 16/9

09:30-16:07

1 stop10h 37m

Sydney

Sun 20/9

17:10-06:30

2 stops33h 20m

£507
Fastest return journey

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sat 3/10

14:05-00:45

2 stops14h 40m

Sydney

Sat 10/10

05:05-06:30

2 stops21h 25m

£580

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Wed 21/10

06:00-16:38

2 stops38h 38m

Sydney

Wed 4/11

12:10-07:10

2 stops39h 00m

£639
Cheapest one-way
Fastest single journey

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 10/9

08:30-00:45

1 stop20h 15m

£550

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 10/12

20:25-00:26

2 stops32h 01m

£563

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 10/9

07:40-00:45

2 stops21h 05m

£572

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Sorted by cheapest first

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Sydney

What’s the top stopover airport for flights from London Heathrow Airport to Sydney, Nova Scotia?

Montreal (YUL) – chosen by Cheapflights users on 50% of one-stop itineraries from London Heathrow Airport to Sydney, Nova Scotia on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Sydney, Nova Scotia?

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £577.

What’s the fastest stopover option from London Heathrow Airport to Sydney, Nova Scotia?

Flights via Montreal (YUL) have the shortest average one-way travel time for one-stop routes: 11h 53m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sydney, Nova Scotia?

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 7h 23m.

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
11,509 reviews
Check prices

Food

6.3

Entertainment

6.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.
Air Canada
7.1
Good
11,509 reviews
Air Canada
7.1
Good
11,509 reviews
Check prices

Food

6.3

Entertainment

6.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.

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 10h 37m. 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 (£498), offers the cheapest pricing from London Heathrow Airport to Sydney, Nova Scotia. Air Canada is 38% 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£498Average£588FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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