Find flights
When to book
FAQs

Cheap flights from London, ON to Australia from C$ 1,093

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SYD
1 Sep — 8 Sep1
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 2 August 2026.

Sat 12/96:10 a.m.
YXU
-
SYD
3 stops34h 55m
Multiple Airlines
Sat 19/99:10 a.m.
SYD
-
YXU
2 stops34h 10m
Multiple Airlines
Deal found 29/7C$ 2,364
Sat 12/93:30 p.m.
YXU
-
SYD
2 stops25h 50m
Air Canada
Sat 19/99:20 a.m.
SYD
-
YXU
2 stops43h 30m
Air Canada
Deal found 29/7C$ 2,373
Tue 15/93:30 p.m.
YXU
-
SYD
2 stops25h 50m
Air Canada
Tue 22/99:20 a.m.
SYD
-
YXU
2 stops26h 20m
Air Canada
Deal found 1/8C$ 2,569
Sat 8/83:30 p.m.
YXU
-
SYD
2 stops25h 25m
Qantas Airways
Sat 15/89:10 a.m.
SYD
-
YXU
2 stops38h 10m
Qantas Airways
Deal found 1/8C$ 2,883
Tue 29/125:30 a.m.
YXU
-
SYD
2 stops62h 30m
Multiple Airlines
Tue 30/38:40 a.m.
SYD
-
YXU
2 stops51h 39m
Multiple Airlines
Deal found 1/8C$ 2,921
Sat 8/86:20 p.m.
YXU
-
SYD
3 stops46h 35m
Multiple Airlines
Sat 15/810:20 a.m.
SYD
-
YXU
2 stops37h 00m
Multiple Airlines
Deal found 1/8C$ 3,056
Sat 8/810:05 a.m.
YXU
-
SYD
3 stops30h 50m
United Airlines
Sat 15/810:20 a.m.
SYD
-
YXU
3 stops25h 20m
United Airlines
Deal found 1/8C$ 3,106
Tue 29/129:15 a.m.
YXU
-
SYD
2 stops29h 40m
Air Canada
Tue 30/310:20 a.m.
SYD
-
YXU
3 stops25h 59m
Air Canada
Deal found 1/8C$ 3,126
Sat 8/86:20 p.m.
YXU
-
SYD
2 stops47h 00m
Air New Zealand
Sat 15/89:20 a.m.
SYD
-
YXU
1 stop26h 20m
Air New Zealand
Deal found 1/8C$ 3,428
Tue 15/96:20 p.m.
YXU
-
SYD
3 stops34h 50m
Multiple Airlines
Tue 22/99:05 p.m.
SYD
-
YXU
3 stops50h 15m
Multiple Airlines
Deal found 1/8C$ 3,455
Sat 19/123:20 p.m.
YXU
-
BNE
2 stops26h 25m
Air Canada
Sat 16/110:05 a.m.
BNE
-
YXU
3 stops50h 42m
Air Canada
Deal found 30/7C$ 3,588
Sat 19/129:15 a.m.
YXU
-
BNE
2 stops31h 15m
United Airlines
Sat 16/111:40 a.m.
BNE
-
YXU
2 stops42h 02m
United Airlines
Deal found 29/7C$ 4,038

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 2 August 2026.

Round-trip from

C$ 2,364

One-way from

C$ 1,093
12/9-19/9
  • 12/9-19/9
  • 5 total stops
  • 69h 05m total
  • London to Australia
Search Deals
14/9
  • 14/9
  • 3 total stops
  • 59h 10m 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 2 August 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

LondonSydney

YXU - SYD

YXUSYD

London

Sat 12/9

3:30 p.m.-7:20 a.m.

2 stops25h 50m

Sydney Kingsford Smith

Sat 19/9

9:20 a.m.-2:50 p.m.

2 stops43h 30m

C$ 2,373

LondonSydney

YXU - SYD

YXUSYD

London

Sat 12/9

6:10 a.m.-7:05 a.m.

3 stops34h 55m

Sydney Kingsford Smith

Sat 19/9

6:25 a.m.-5:20 a.m.

3 stops36h 55m

C$ 2,536

LondonSydney

YXU - SYD

YXUSYD

London

Tue 15/9

10:05 a.m.-7:20 a.m.

2 stops31h 15m

Sydney Kingsford Smith

Tue 22/9

9:20 a.m.-9:40 p.m.

3 stops26h 20m

C$ 2,645

LondonSydney

YXU - SYD

YXUSYD

London

Sat 23/1

9:15 a.m.-6:25 a.m.

2 stops29h 10m

Sydney Kingsford Smith

Sat 13/2

8:30 p.m.-2:42 p.m.

2 stops34h 12m

C$ 2,879

LondonSydney

YXU - SYD

YXUSYD

London

Sat 23/1

3:20 p.m.-1:40 p.m.

3 stops30h 20m

Sydney Kingsford Smith

Sat 13/2

11:20 a.m.-9:47 p.m.

3 stops26h 27m

C$ 3,008

LondonSydney

YXU - SYD

YXUSYD

London

Tue 29/12

5:30 a.m.-6:55 a.m.

2 stops33h 25m

Sydney Kingsford Smith

Tue 30/3

10:20 a.m.-3:08 p.m.

1 stop43h 48m

C$ 3,126

LondonSydney

YXU - SYD

YXUSYD

London

Tue 15/9

6:20 p.m.-7:10 p.m.

3 stops34h 50m

Sydney Kingsford Smith

Tue 22/9

9:05 p.m.-9:20 a.m.

3 stops50h 15m

C$ 3,455

LondonBrisbane

YXU - BNE

YXUBNE

London

Sat 19/12

9:15 a.m.-8:45 a.m.

3 stops32h 30m

Brisbane

Sat 16/1

10:45 a.m.-9:47 p.m.

3 stops26h 02m

C$ 3,591
Quickest round-trip

LondonSydney

YXU - SYD

YXUSYD

London

Tue 29/12

9:15 a.m.-6:20 a.m.

3 stops29h 05m

Sydney Kingsford Smith

Tue 30/3

10:30 a.m.-9:19 p.m.

3 stops25h 49m

C$ 3,793

LondonBrisbane

YXU - BNE

YXUBNE

London

Sat 19/12

9:15 a.m.-7:30 a.m.

2 stops31h 15m

Brisbane

Sat 16/1

11:40 a.m.-2:42 p.m.

2 stops42h 02m

C$ 4,038

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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.

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 25h 50m. The distance between London, Ontario and Australia is about 15416 km. This flight may include one or multiple stops.

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

    While some choose either London - Sydney Kingsford Smith or London - Townsville, London - Brisbane 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

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.

Alternative routes for London to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Sydney flights
Pearson Intl to Melbourne flights
Pierre Elliott Trudeau Intl to Sydney flights
Pearson Intl to Brisbane flights
Pearson Intl to Auckland flights
Ottawa to Sydney flights
Pearson Intl to Avalon flights
Toronto Island to Sydney flights
Pierre Elliott Trudeau Intl to Melbourne flights
Pierre Elliott Trudeau Intl to Papeete flights
Pierre Elliott Trudeau Intl to Auckland flights
Toronto Island to Melbourne flights
Pierre Elliott Trudeau Intl to Brisbane flights
Pearson Intl to Perth flights
Pierre Elliott Trudeau Intl to Christchurch flights
Toronto Island to Auckland flights
Pierre Elliott Trudeau Intl to Avalon flights
Pierre Elliott Trudeau Intl to Perth flights
Pearson Intl to Adelaide flights
Pearson Intl to Papeete flights
Pearson Intl to Christchurch flights
Hamilton to Sydney flights
Toronto Island to Perth flights
Pearson Intl to Wellington flights
Ottawa to Melbourne flights
Ottawa to Auckland flights
Pierre Elliott Trudeau Intl to Vaitape flights
Pearson Intl to Nadi flights
Toronto Island to Adelaide flights
Pearson Intl to Vaitape flights
Pearson Intl to Canberra flights
Pierre Elliott Trudeau Intl to Wellington flights
Region of Waterloo Intl to Sydney flights
Ottawa to Papeete flights
Windsor to Sydney flights
Pierre Elliott Trudeau Intl to Nadi flights
Pearson Intl to Coolangatta flights
Pearson Intl to Queenstown flights
Thunder Bay to Melbourne flights
Thunder Bay to Sydney flights
Pearson Intl to Dunedin flights
Pearson Intl to Rarotonga flights
Hamilton to Auckland flights
Ottawa to Avalon flights
Ottawa to Brisbane flights
Pierre Elliott Trudeau Intl to Cairns flights

Fly with Cheapflights

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.