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Cheap flights from London, Ontario to Sydney from $801

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 Sydney

Enter your travel dates to find the best prices.

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 29 April 2026.

Wed 2/1215:25
YXU
-
SYD
2 stops47h 30m
Air Canada
Wed 3/211:20
SYD
-
YXU
2 stops26h 26m
Air Canada
Deal found 25/4$2,134
Wed 2/1215:25
YXU
-
SYD
2 stops47h 30m
Air New Zealand
Wed 3/211:20
SYD
-
YXU
1 stop26h 26m
Air New Zealand
Deal found 25/4$2,192
Wed 9/905:40
YXU
-
SYD
2 stops59h 40m
Air Canada
Sun 13/909:20
SYD
-
YXU
2 stops46h 23m
Air Canada
Deal found 24/4$2,282
Wed 2/1205:45
YXU
-
SYD
1 stop35h 50m
Multiple Airlines
Wed 3/211:20
SYD
-
YXU
1 stop26h 26m
Multiple Airlines
Deal found 25/4$2,524
Wed 2/1209:45
YXU
-
SYD
3 stops28h 35m
United Airlines
Wed 3/212:10
SYD
-
YXU
3 stops25h 36m
United Airlines
Deal found 25/4$3,092

Find flight deals from London to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Sydney (SYD). 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 April 2026.

Round-trip from

$2,282

One-way from

$801
Air Canada
  • Air Canada
  • 9/9-13/9
  • 4 total stops
  • 106h 03m total
  • London to Sydney
Search Deals
10/6
  • 10/6
  • 3 total stops
  • 39h 55m total
  • London to Sydney
Search Deals

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 647,157 searches. Data last updated 29 April 2026.
Use the filters below to find and compare flights from London to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSydney

YXU - SYD

YXUSYD

London

Wed 9/9

05:40-07:20

2 stops59h 40m

Sydney Kingsford Smith

Sun 13/9

09:20-17:43

2 stops46h 23m

$2,282
Cheapest one-way

LondonSydney

YXU - SYD

YXUSYD

London

Wed 10/6

06:10-12:05

3 stops39h 55m

$801

LondonSydney

YXU - SYD

YXUSYD

London

Tue 9/6

17:55-12:05

3 stops52h 10m

$979

LondonSydney

YXU - SYD

YXUSYD

London

Mon 4/5

06:10-11:50

3 stops39h 40m

$1,392
Fastest single journey

LondonSydney

YXU - SYD

YXUSYD

London

Mon 4/5

09:30-08:40

2 stops33h 10m

$1,461

LondonSydney

YXU - SYD

YXUSYD

London

Mon 4/5

05:10-07:20

1 stop36h 10m

$2,094

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Sorted by cheapest first

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.

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.

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

    There are many flights that can get you from London, Ontario to Sydney in 59h 40m. Fly via Air Canada to get the fastest option. The distance from London, Ontario to Sydney is about 15416 km.

  • 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Katoomba
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
Coogee

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Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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