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

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YQY
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from London to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 18 September 2025.

Round-trip from

£507

Popular in

December

Cheapest in

March

Average price

£574
Air Canada
  • Air Canada
  • 23/2-8/3
  • 4 total stops
  • 92h 08m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£28 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from London to Sydney

Cheapest flights from London to Sydney
Explore the most affordable flight options available from London to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Tue 23/908:30LHR - YQY
1 stop19h 39mAir Canada
Tue 30/905:15YQY - LHR
2 stops21h 15mAir Canada
Deal found 17/9£508
Fri 28/1109:00LHR - YQY
2 stops17h 29mAir Canada
Fri 5/1212:15YQY - LHR
2 stops28h 20mAir Canada
Deal found 16/9£514
Tue 18/1113:25LHR - YQY
2 stops26h 07mAir Canada
Sun 23/1105:30YQY - LHR
1 stop21h 40mAir Canada
Deal found 18/9£533
Mon 22/915:50LHR - YQY
1 stop12h 19mMultiple Airlines
Wed 1/1005:15YQY - LHR
2 stops21h 15mMultiple Airlines
Deal found 16/9£538
Mon 22/909:30LHR - YQY
2 stops42h 39mAir Canada
Wed 1/1016:30YQY - LHR
1 stop13h 05mAir Canada
Deal found 16/9£539
Fri 31/1013:25LHR - YQY
2 stops25h 07mAir Canada
Fri 7/1105:30YQY - LHR
2 stops35h 05mAir Canada
Deal found 16/9£547
Tue 23/921:35LGW - YQY
2 stops25h 55mMultiple Airlines
Tue 30/908:00YQY - LGW
2 stops22h 45mMultiple Airlines
Deal found 17/9£668
Fri 31/1007:00LGW - YQY
2 stops18h 29mMultiple Airlines
Fri 7/1105:30YQY - LGW
2 stops29h 20mMultiple Airlines
Deal found 16/9£718
Mon 22/921:30LGW - YQY
3 stops26h 00mMultiple Airlines
Wed 1/1008:00YQY - LGW
3 stops31h 35mMultiple Airlines
Deal found 16/9£756
Fri 17/1010:45LGW - YQY
2 stops36h 06mMultiple Airlines
Fri 24/1016:35YQY - LGW
3 stops21h 45mMultiple Airlines
Deal found 15/9£765

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 18 September 2025.
Use the filters below to find and compare flights from London to Sydney that are best for you.

Fly from

London

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Fri 27/2

12:05-22:53

2 stops38h 48m

Sydney

Mon 2/3

12:15-07:10

2 stops38h 55m

£507

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Mon 23/2

12:05-22:53

2 stops38h 48m

Sydney

Sun 8/3

12:15-20:35

2 stops53h 20m

£507

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Fri 28/11

09:00-22:29

2 stops17h 29m

Sydney

Fri 5/12

12:15-20:35

2 stops28h 20m

£517

LondonSydney

LHR - YQY

LHRYQY

London Heathrow

Tue 18/11

13:25-11:32

2 stops26h 07m

Sydney

Sun 23/11

05:30-07:10

1 stop21h 40m

£533

LondonSydney

LGW - YQY

LGWYQY

London Gatwick

Fri 31/10

07:00-22:29

2 stops18h 29m

Sydney

Fri 7/11

05:30-14:50

2 stops29h 20m

£718

LondonSydney

LGW - YQY

LGWYQY

London Gatwick

Fri 17/10

10:45-18:51

2 stops36h 06m

Sydney

Fri 24/10

16:35-18:20

3 stops21h 45m

£765

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Best time to book a flight from London to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from London 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 to Sydney

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

Share of one-stop return flights from London 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 90% of one-stop itineraries from London to Sydney, Nova Scotia on Cheapflights.

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

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

Montreal (YUL) is the most affordable one-stop option, with an average return flight price of £644.

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

Shortest average travel time for one-stop one-way flights from London 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: 10h 35m.

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

Average stopover duration for one-stop one-way flights from London 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 2h 18m.

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 18 September 2025.
Get a feel of what it's like to fly with Air Canada from London to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Overall

7.1

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Graeme,Sept 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Overall

7.1

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Graeme,Sept 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Most people fly into Sydney (YQY) if they book a flight to Sydney from London. On average, Sydney has 0 inbound flights from London 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 to Sydney, Nova Scotia?

    A quick flight from London to Sydney, Nova Scotia can take about 38h 48m. Air Canada provides one of the quickest options available for as low as £507. Airlines will cover a distance of 2658 mi.

  • What is the cheapest airline to fly from London to Sydney, Nova Scotia round-trip?

    Air Canada, at £461, was found to be the cheapest airline from London to Sydney, Nova Scotia.. This flight start at 17% lower than the current average price 3 months from now.

  • Can I find deals for flights from London to Sydney that include hotel bookings?

    Yes. In addition to deals on London to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Sydney.

  • Can I find deals for business class flights from London to Sydney?

    Yes. Cheapflights offers flight deals from London 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

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

Top airline flying from London to Sydney

Discover the top airline that operate flights from London 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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£461Average£585FlexibilityNo 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 London to Sydney?

Deals for London to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London 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 London to Sydney with no change fees?

Yes, we can. To see specific flights from London 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 London to Sydney become cheaper?

Yes, Cheapflights offers price alerts on London to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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