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Cheap flights from London, ON to Australia from C$ 785

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SYD
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Australia

Enter your travel dates to find the best prices.

Cheapest flights from London to Australia
Explore the most affordable flight options available from London to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Wed 2/123:25 p.m.
YXU
-
SYD
2 stops47h 30m
Air Canada
Wed 3/211:20 a.m.
SYD
-
YXU
2 stops26h 26m
Air Canada
Deal found 25/4C$ 2,093
Wed 2/123:25 p.m.
YXU
-
SYD
2 stops47h 30m
Air New Zealand
Wed 3/211:20 a.m.
SYD
-
YXU
1 stop26h 26m
Air New Zealand
Deal found 25/4C$ 2,149
Sat 31/103:25 p.m.
YXU
-
BNE
2 stops26h 20m
Air Canada
Tue 3/1110:45 a.m.
BNE
-
YXU
2 stops26h 01m
Air Canada
Deal found 24/4C$ 2,174
Wed 9/95:40 a.m.
YXU
-
SYD
2 stops59h 40m
Air Canada
Sun 13/99:20 a.m.
SYD
-
YXU
2 stops46h 23m
Air Canada
Deal found 24/4C$ 2,237
Wed 2/125:45 a.m.
YXU
-
SYD
1 stop35h 50m
Multiple Airlines
Wed 3/211:20 a.m.
SYD
-
YXU
1 stop26h 26m
Multiple Airlines
Deal found 25/4C$ 2,475
Wed 2/129:45 a.m.
YXU
-
SYD
3 stops28h 35m
United Airlines
Wed 3/212:10 p.m.
SYD
-
YXU
3 stops25h 36m
United Airlines
Deal found 25/4C$ 3,031

Find flight deals from London to Australia

Keep the following information in mind while searching for London to Australia flight deals. Data was last updated 29 April 2026.

Round-trip from

C$ 2,237

One-way from

C$ 785
Air Canada
  • Air Canada
  • 9/9-13/9
  • 4 total stops
  • 106h 03m total
  • London to Australia
Search Deals
10/6
  • 10/6
  • 3 total stops
  • 39h 55m total
  • London to Australia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Australia 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 April 2026.
Use the filters below to find and compare flights from London to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LondonSydney

YXU - SYD

YXUSYD

London

Wed 9/9

5:40 a.m.-7:20 a.m.

2 stops59h 40m

Sydney Kingsford Smith

Sun 13/9

9:20 a.m.-5:43 p.m.

2 stops46h 23m

C$ 2,237
Cheapest one-way
Quickest one-way

LondonSydney

YXU - SYD

YXUSYD

London

Wed 10/6

6:10 a.m.-12:05 p.m.

3 stops39h 55m

C$ 785

LondonSydney

YXU - SYD

YXUSYD

London

Tue 9/6

5:55 p.m.-12:05 p.m.

3 stops52h 10m

C$ 960

LondonBrisbane

YXU - BNE

YXUBNE

London

Fri 26/6

6:10 a.m.-5:00 a.m.

3 stops56h 50m

C$ 1,410

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Sorted by cheapest first

Best time to book a flight from London to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from London 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 to Australia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 29 April 2026.
Read reviews from past customers who have flown Air Canada from London to Australia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,979 reviews
Check prices

Overall

7.1

Food

6.3

Boarding

7.3

Entertainment

6.8

Comfort

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good
Air Canada
7.1
Good
10,979 reviews
Air Canada
7.1
Good
10,979 reviews
Check prices

Overall

7.1

Food

6.3

Boarding

7.3

Entertainment

6.8

Comfort

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good

Related info for your journey

Find useful and relevant information for your journey from London to Australia. 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 from for flights from London to Australia?

    London (YXU), located 8.6 km from the city centre, is the airport you fly out of when you book flights from London to Australia.

  • How long is the flight from London, Ontario to Australia?

    Departing from London, Ontario to Australia will take you 59h 40m. The distance between London, Ontario and Australia is about 15416 km.

  • What are the most popular routes from London, Ontario to Australia?

    While some choose either London - Brisbane or London - Townsville, London - Sydney Kingsford Smith is the most popular route from London, Ontario to Australia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Australia 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

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Top airline flying from London to Australia

Discover the top airline that operate flights from London to Australia. 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 629,999 searches. Data last updated 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 2,088AverageC$ 3,221FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Australia?

Cheapflights makes it easy to find London to Australia 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 London to Australia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Australia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Australia with no change fees?

Need flexible booking options for your flight to Australia from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Australia become cheaper?

Of course! You can now track prices for flights from London to Australia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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