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Cheap flights from London Heathrow Airport to Sydney, NS from C$ 667

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YQY
3 ago. — 10 ago.1
1 adult

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 29 julio 2025.

Round-trip from

C$ 967

One-way from

C$ 667

Popular in

August

Cheapest in

January

Average price

C$ 1,480
Air Canada
  • Air Canada
  • 3/10-13/10
  • 2 total stops
  • 23h 23m total
  • London to Sydney
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3/9
  • 3/9
  • 2 total stops
  • 17h 15m total
  • London to Sydney
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Highest demand for flights based on searches. 16% potential increase in price (C$ 315 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 65 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Heathrow to Sydney

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 29 julio 2025.

vie. 3/109:30 a.m.LHR - YQY
1 stop10h 18mAir Canada
lun. 13/104:30 p.m.YQY - LHR
1 stop13h 05mAir Canada
Deal found 28/7C$ 967
jue. 11/912:40 p.m.LHR - YQY
1 stop10h 50mMultiple Airlines
jue. 18/98:00 a.m.YQY - LHR
2 stops21h 35mMultiple Airlines
Deal found 27/7C$ 975
lun. 29/91:55 p.m.LHR - YQY
1 stop32h 56mWestJet
sáb. 4/107:40 p.m.YQY - LHR
2 stops38h 05mWestJet
Deal found 29/7C$ 1,682

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 29 julio 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

vie. 3/10

9:30 a.m.-3:48 p.m.

1 stop10h 18m

Sydney

lun. 13/10

4:30 p.m.-9:35 a.m.

1 stop13h 05m

C$ 967

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

jue. 11/9

12:40 p.m.-7:30 p.m.

1 stop10h 50m

Sydney

jue. 18/9

8:00 a.m.-9:35 a.m.

2 stops21h 35m

C$ 975

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

lun. 29/9

1:55 p.m.-6:51 p.m.

1 stop32h 56m

Sydney

sáb. 4/10

7:40 p.m.-1:45 p.m.

2 stops38h 05m

C$ 1,682

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

mié. 3/9

6:15 a.m.-7:30 p.m.

2 stops17h 15m

C$ 667

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

lun. 8/9

1:55 p.m.-6:51 p.m.

1 stop32h 56m

C$ 981

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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 round-trip 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney, Nova Scotia (average of C$ 375). Flying from London Heathrow Airport to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). 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.

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 29 julio 2025.
Check out reviews from past customers who have flown with WestJet and 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.
WestJet
7.2
Good
2,973 reviews
Check prices

Overall

7.2

Boarding

7.4

Comfort

7.0

Food

6.2

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.
WestJet
7.2
Good
2,973 reviews
WestJet
7.2
Good
2,973 reviews
Check prices

Overall

7.2

Boarding

7.4

Comfort

7.0

Food

6.2

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.
Air Canada
7.1
Good
9,822 reviews
WestJet
7.2
Good
2,973 reviews
Check prices

Overall

7.2

Boarding

7.4

Comfort

7.0

Food

6.2

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Roger,Jun 2025

MSP - YXE

Everything was good except the actual equipment. The aircraft was old and definitely showed its age, as far the interior cabin was concerned. WestJet definitely needs tio update the interior.

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?

    Sydney (YQY), located 11.2 km from the city centre, is the airport you fly into when you book flights from London Heathrow to Sydney. 0 airlines have flights to Sydney from London Heathrow on a regular basis. Booking flights from London Heathrow to Sydney should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • What are the cheapest airlines flying from London Heathrow Airport to Sydney, Nova Scotia round-trip?

    According to our current data, Air Canada (C$ 967), and WestJet (C$ 1,682) offers the cheapest pricing from London Heathrow Airport to Sydney, Nova Scotia. Users have found that Air Canada is 17% cheaper than the other options available 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 vacation 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney, Nova Scotia (average of C$ 375). Flying from London Heathrow Airport to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). 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

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Alternative routes for Heathrow to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Halifax flights
Gatwick to Halifax flights
Heathrow to St John flights

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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?

Yes, we can. To see specific flights from Heathrow to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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