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Cheap flights from London, ON to Sydney from C$ 1,676

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SYD
27 nov. — 4 dic.1
1 adult
1 adult, Economy, 0 bags

Cheap 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 28 octubre 2025.

Round-trip from

C$ 2,723

One-way from

C$ 978

Popular in

July

Cheapest in

March

Average price

C$ 2,227
Air Canada
  • Air Canada
  • 29/12-2/3
  • 4 total stops
  • 71h 16m total
  • London to Sydney
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10/12
  • 10/12
  • 2 total stops
  • 55h 35m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 550 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 129 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 28 octubre 2025.

jue. 11/125:10 a.m.YXU - SYD
3 stops33h 45mMultiple Airlines
jue. 18/1212:30 p.m.SYD - YXU
3 stops34h 04mMultiple Airlines
Deal found 27/10C$ 2,953
jue. 11/129:25 a.m.YXU - SYD
2 stops52h 55mUnited Airlines
jue. 18/1211:20 a.m.SYD - YXU
2 stops37h 26mUnited Airlines
Deal found 27/10C$ 3,196

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 28 octubre 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

YXU - SYD

YXUSYD

London

jue. 11/12

5:10 a.m.-6:55 a.m.

3 stops33h 45m

Sydney Kingsford Smith

jue. 18/12

12:30 p.m.-6:34 a.m.

3 stops34h 04m

C$ 2,953

LondonSydney

YXU - SYD

YXUSYD

London

jue. 11/12

9:25 a.m.-6:20 a.m.

2 stops52h 55m

Sydney Kingsford Smith

jue. 18/12

11:20 a.m.-8:46 a.m.

2 stops37h 26m

C$ 3,196

LondonSydney

YXU - SYD

YXUSYD

London

mié. 14/1

5:15 a.m.-7:00 a.m.

2 stops33h 45m

Sydney Kingsford Smith

mar. 27/1

12:10 p.m.-9:21 p.m.

2 stops25h 11m

C$ 11,424

LondonSydney

YXU - SYD

YXUSYD

London

mié. 14/1

5:15 a.m.-7:00 a.m.

2 stops33h 45m

Sydney Kingsford Smith

lun. 26/1

2:00 p.m.-9:21 p.m.

2 stops47h 21m

C$ 11,424

LondonSydney

YXU - SYD

YXUSYD

London

jue. 15/1

5:15 a.m.-9:15 a.m.

2 stops36h 00m

Sydney Kingsford Smith

mar. 27/1

12:10 p.m.-9:21 p.m.

2 stops25h 11m

C$ 11,925

LondonSydney

YXU - SYD

YXUSYD

London

mié. 14/1

5:15 a.m.-7:00 a.m.

2 stops33h 45m

Sydney Kingsford Smith

jue. 29/1

12:10 p.m.-9:21 p.m.

2 stops25h 11m

C$ 11,925

LondonSydney

YXU - SYD

YXUSYD

London

vie. 16/1

5:15 a.m.-9:15 a.m.

2 stops36h 00m

Sydney Kingsford Smith

mar. 27/1

12:10 p.m.-9:21 p.m.

2 stops25h 11m

C$ 11,925

LondonSydney

YXU - SYD

YXUSYD

London

vie. 16/1

5:15 a.m.-9:15 a.m.

2 stops36h 00m

Sydney Kingsford Smith

jue. 29/1

12:10 p.m.-9:21 p.m.

2 stops25h 11m

C$ 12,424

LondonSydney

YXU - SYD

YXUSYD

London

jue. 15/1

5:15 a.m.-9:15 a.m.

2 stops36h 00m

Sydney Kingsford Smith

jue. 29/1

12:10 p.m.-9:21 p.m.

2 stops25h 11m

C$ 12,424

LondonSydney

YXU - SYD

YXUSYD

London

mar. 13/1

9:25 a.m.-9:35 a.m.

2 stops32h 10m

Sydney Kingsford Smith

dom. 25/1

11:20 a.m.-8:46 a.m.

2 stops37h 26m

C$ 12,535

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 14 results
1
2

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, September is the cheapest month in which you can book a flight from London, Ontario to Sydney (average of C$ 309). Flying from London, Ontario to Sydney in January is currently the most expensive (average of C$ 1,471). 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 28 octubre 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
10,371 reviews
Check prices

Crew

7.8

Boarding

7.3

Food

6.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.
Air Canada
7.1
Good
10,371 reviews
Air Canada
7.1
Good
10,371 reviews
Check prices

Crew

7.8

Boarding

7.3

Food

6.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.

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 52h 55m. 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$ 1,875. Air Canada is priced at 26% lower than the current average price of a flight leaving 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 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, September is the cheapest month in which you can book a flight from London, Ontario to Sydney (average of C$ 309). Flying from London, Ontario to Sydney in January is currently the most expensive (average of C$ 1,471). 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 28 octubre 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,875AverageC$ 2,707FlexibilityNo 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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