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Cheap flights from London Heathrow Airport to Sydney, Nova Scotia from £430

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YQY
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find 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 21 October 2025.

Mon 24/1120:05LHR - YQY
2 stops31h 13mMultiple Airlines
Mon 8/1212:15YQY - LHR
2 stops28h 20mMultiple Airlines
Deal found 20/10£466
Fri 28/1109:00LHR - YQY
2 stops18h 18mAir Canada
Fri 5/1212:15YQY - LHR
2 stops38h 55mAir Canada
Deal found 20/10£490
Thu 4/1213:25LHR - YQY
2 stops26h 07mAir Canada
Thu 11/1205:15YQY - LHR
2 stops35h 20mAir Canada
Deal found 20/10£493
Thu 4/1213:25LHR - YQY
2 stops26h 07mMultiple Airlines
Thu 11/1205:15YQY - LHR
1 stop21h 55mMultiple Airlines
Deal found 20/10£497
Mon 24/1113:25LHR - YQY
2 stops26h 07mAir Canada
Mon 8/1205:15YQY - LHR
1 stop21h 55mAir Canada
Deal found 20/10£500
Wed 19/1113:25LHR - YQY
2 stops26h 07mAir Canada
Wed 26/1105:15YQY - LHR
1 stop21h 55mAir Canada
Deal found 20/10£501

Cheap 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 21 October 2025.

Round-trip from

£466

One-way from

£430

Popular in

August

Cheapest in

January

Average price

£591
Air Canada
  • Air Canada
  • 24/11-8/12
  • 4 total stops
  • 59h 33m total
  • London to Sydney
Search Deals
16/4
  • 16/4
  • 2 total stops
  • 51h 36m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 21 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.

Fly from

Heathrow

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Fri 28/11

09:00-23:18

2 stops18h 18m

Sydney

Fri 5/12

12:15-20:35

2 stops28h 20m

£490

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Thu 4/12

13:25-11:32

2 stops26h 07m

Sydney

Thu 11/12

05:15-20:35

2 stops35h 20m

£493

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Fri 27/2

19:25-22:53

2 stops31h 28m

Sydney

Mon 2/3

12:15-07:10

2 stops38h 55m

£505

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Mon 23/2

07:40-22:53

2 stops19h 13m

Sydney

Sun 8/3

05:30-07:10

1 stop22h 40m

£521

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Wed 19/11

13:25-11:32

2 stops26h 07m

Sydney

Wed 26/11

05:15-09:20

2 stops24h 05m

£527

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Thu 16/4

12:00-11:36

2 stops51h 36m

£430

Flights are sorted by cheapest return flights first.

Deals found on 21/10

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 is the cheapest month to book a flight from London Heathrow Airport to Sydney, Nova Scotia?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney, Nova Scotia (average of £442). Flying from London Heathrow Airport to Sydney, Nova Scotia in August is currently the most expensive (average of £776). 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.

How much does it cost for a return flight from London Heathrow Airport to Sydney, Nova Scotia?

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 21 October 2025.
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
10,335 reviews
Check prices

Crew

7.8

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

robert,Sept 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
Air Canada
7.1
Good
10,335 reviews
Air Canada
7.1
Good
10,335 reviews
Check prices

Crew

7.8

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

robert,Sept 2025

YEG - YVR

There was nothing that I liked about air canada. My experience 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 18h 18m. 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 (£465), offers the cheapest pricing from London Heathrow Airport to Sydney, Nova Scotia. Air Canada is 27% 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to Sydney, Nova Scotia?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney, Nova Scotia (average of £442). Flying from London Heathrow Airport to Sydney, Nova Scotia in August is currently the most expensive (average of £776). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£465Average£595FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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