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Cheap flights from London, ON to Sydney from C$ 890

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SYD
9 abr. — 16 abr.1
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 10 marzo 2026.

dom. 12/49:25 a.m.
YXU
-
SYD
3 stops55h 30m
United Airlines
jue. 16/410:20 a.m.
SYD
-
YXU
2 stops24h 59m
United Airlines
Deal found 5/3C$ 2,284
lun. 18/59:30 a.m.
YXU
-
SYD
2 stops31h 25m
United Airlines
vie. 22/510:20 a.m.
SYD
-
YXU
2 stops36h 33m
United Airlines
Deal found 6/3C$ 2,288
jue. 23/45:40 p.m.
YXU
-
SYD
3 stops47h 15m
United Airlines
jue. 30/410:20 a.m.
SYD
-
YXU
2 stops24h 59m
United Airlines
Deal found 8/3C$ 2,334
jue. 23/49:25 a.m.
YXU
-
SYD
3 stops31h 55m
Air Canada
jue. 30/49:20 a.m.
SYD
-
YXU
3 stops25h 59m
Air Canada
Deal found 8/3C$ 2,835
jue. 23/49:25 a.m.
YXU
-
SYD
2 stops46h 40m
Emirates
jue. 30/48:10 p.m.
SYD
-
YXU
2 stops59h 23m
Emirates
Deal found 9/3C$ 3,525
vie. 24/49:25 a.m.
YXU
-
SYD
2 stops54h 40m
Emirates
vie. 1/56:00 a.m.
SYD
-
YXU
2 stops49h 33m
Emirates
Deal found 10/3C$ 3,618

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 10 marzo 2026.

Round-trip from

C$ 2,284

One-way from

C$ 890
United Airlines
  • United Airlines
  • 12/4-16/4
  • 5 total stops
  • 80h 29m total
  • London to Sydney
Search Deals
30/4
  • 30/4
  • 3 total stops
  • 39h 40m total
  • London to Sydney
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 10 marzo 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 round-trip

LondonSydney

YXU - SYD

YXUSYD

London

dom. 12/4

9:25 a.m.-6:55 a.m.

3 stops55h 30m

Sydney Kingsford Smith

jue. 16/4

10:20 a.m.-9:19 p.m.

2 stops24h 59m

C$ 2,284

LondonSydney

YXU - SYD

YXUSYD

London

lun. 18/5

9:30 a.m.-6:55 a.m.

2 stops31h 25m

Sydney Kingsford Smith

vie. 22/5

10:20 a.m.-8:53 a.m.

2 stops36h 33m

C$ 2,288

LondonSydney

YXU - SYD

YXUSYD

London

jue. 23/4

5:40 p.m.-6:55 a.m.

3 stops47h 15m

Sydney Kingsford Smith

jue. 30/4

10:20 a.m.-9:19 p.m.

2 stops24h 59m

C$ 2,334
Quickest round-trip

LondonSydney

YXU - SYD

YXUSYD

London

jue. 23/4

9:25 a.m.-7:20 a.m.

3 stops31h 55m

Sydney Kingsford Smith

jue. 30/4

9:20 a.m.-9:19 p.m.

3 stops25h 59m

C$ 2,835

LondonSydney

YXU - SYD

YXUSYD

London

vie. 24/4

9:25 a.m.-6:05 a.m.

2 stops54h 40m

Sydney Kingsford Smith

vie. 1/5

6:00 a.m.-5:33 p.m.

2 stops49h 33m

C$ 3,618
Cheapest one-way
Quickest one-way

LondonSydney

YXU - SYD

YXUSYD

London

jue. 30/4

6:10 a.m.-11:50 a.m.

3 stops39h 40m

C$ 890

LondonSydney

YXU - SYD

YXUSYD

London

vie. 24/4

7:30 a.m.-10:10 p.m.

3 stops48h 40m

C$ 970

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

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 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 Sydney

What is the cheapest month to book a flight from London, Ontario to Sydney?

Currently, May is the cheapest month in which you can book a flight from London, Ontario to Sydney (average of C$ 261). Flying from London, Ontario to Sydney in November is currently the most expensive (average of C$ 1,346). 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 10 marzo 2026.
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
10,800 reviews
Check prices

Boarding

7.3

Entertainment

6.8

Overall

7.1

Comfort

7.1

Food

6.3

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,800 reviews
Air Canada
7.1
Good
10,800 reviews
Check prices

Boarding

7.3

Entertainment

6.8

Overall

7.1

Comfort

7.1

Food

6.3

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

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 55h 30m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 15416 km.

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

    Flying on Air Canada is currently your cheapest option to Sydney, with prices starting at C$ 1,970.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from London, Ontario to Sydney?

    Currently, May is the cheapest month in which you can book a flight from London, Ontario to Sydney (average of C$ 261). Flying from London, Ontario to Sydney in November is currently the most expensive (average of C$ 1,346). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Penrith
Parramatta

Browse thousands of different options on Cheapflights for your next trip

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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 629,999 searches. Data last updated 10 marzo 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,970AverageC$ 3,200FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Sydney?

Cheapflights helps you search for flights from London to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Sydney from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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?

Not ready to book yet? You can track prices for flights from London to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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