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Cheap flights from London Heathrow Airport to Sydney, Nova Scotia from £490

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YQY
9 Sep — 16 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
Explore the most affordable flight options available from Heathrow to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Sat 12/909:30 -
1 stop10h 42m
Sat 26/917:20 -
1 stop12h 40m
Deal found 6/8£490
Wed 9/909:30 -
1 stop10h 37m
Tue 15/917:10 -
1 stop12h 50m
Deal found 10/8£491
Mon 21/906:50 -
2 stops21h 55m
Mon 28/917:20 -
2 stops23h 40m
Deal found 8/8£493
Sat 12/909:30 -
1 stop10h 42m
Sat 14/1105:45 -
1 stop21h 25m
Deal found 6/8£495
Mon 14/908:30 -
1 stop20h 15m
Sat 14/1105:45 -
1 stop21h 25m
Deal found 6/8£498

Find flight deals from Heathrow to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sydney (YQY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 August 2026.

Round-trip from

£487

Popular in

November

Cheapest in

March

Average price

£832
Air Canada
  • Air Canada
  • 17/9-21/9
  • 4 total stops
  • 46h 25m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 38% potential increase in price (£376 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£87 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 August 2026.
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

Mon 21/9

06:50-00:45

2 stops21h 55m

Sydney

Mon 28/9

05:05-06:35

1 stop21h 30m

£495

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 3/9

08:30-00:12

1 stop19h 42m

Sydney

Mon 7/9

05:05-06:35

1 stop21h 30m

£518
Fastest return journey

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Mon 14/9

09:30-00:45

2 stops19h 15m

Sydney

Sat 14/11

12:10-06:30

2 stops14h 20m

£518

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Sun 6/9

14:10-16:12

2 stops54h 02m

Sydney

Sun 13/9

05:05-06:30

2 stops45h 25m

£533

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Mon 14/12

13:35-11:30

2 stops25h 55m

Sydney

Wed 13/1

05:45-14:05

2 stops28h 20m

£541

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Fri 11/9

06:00-00:45

2 stops22h 45m

Sydney

Sat 14/11

12:10-21:00

2 stops28h 50m

£547

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Thu 10/9

11:05-16:12

2 stops33h 07m

Sydney

Fri 13/11

12:10-06:30

2 stops38h 20m

£562

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Wed 16/9

17:55-00:45

2 stops34h 50m

Sydney

Mon 2/11

12:10-16:20

2 stops24h 10m

£595

LondonSydney

LHR London Heathrow - YQY Sydney

LHRYQY

London Heathrow

Mon 14/9

08:30-00:45

1 stop20h 15m

Sydney

Sun 1/11

05:45-21:00

2 stops35h 15m

£605

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

£642

Flights are sorted by cheapest return flights first.

Deals found on 7/8

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Share of one-stop return flights from London Heathrow Airport to Sydney, Nova Scotia chosen by Cheapflights users in the past 12 months, using the same stopover each way.

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?

Average return fare for one-stop flights from London Heathrow Airport to Sydney, Nova Scotia, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £583.

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

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Sydney, Nova Scotia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

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?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Sydney, Nova Scotia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

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

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 10 August 2026.
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
11,462 reviews
Check prices

Food

6.3

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Overall

7.1

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
11,462 reviews
Air Canada
7.1
Good
11,462 reviews
Check prices

Food

6.3

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Overall

7.1

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

Find useful and relevant information for your journey from Heathrow to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 (£504), 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

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Top airline flying from Heathrow to Sydney

Discover the top airline that operate flights from Heathrow to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£504Average£594FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Sydney?

Cheapflights makes it easy to find Heathrow to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sydney?

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.

Can Cheapflights find flights from Heathrow to Sydney with no change fees?

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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