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Cheap flights from London, ON to Sydney from C$ 1,396

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SYD
14 Jul — 21 Jul1
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 14 June 2026.

Thu 10/93:30 p.m.
YXU
-
SYD
2 stops49h 50m
Air Canada
Mon 14/99:20 a.m.
SYD
-
YXU
2 stops62h 00m
Air Canada
Deal found 13/6C$ 2,546
Mon 27/76:10 a.m.
YXU
-
SYD
2 stops35h 20m
Multiple Airlines
Mon 3/85:50 p.m.
SYD
-
YXU
2 stops25h 30m
Multiple Airlines
Deal found 11/6C$ 2,611
Fri 24/710:05 a.m.
YXU
-
SYD
2 stops30h 50m
Air New Zealand
Fri 31/710:20 a.m.
SYD
-
YXU
2 stops36h 57m
Air New Zealand
Deal found 9/6C$ 2,941
Fri 24/710:05 a.m.
YXU
-
SYD
2 stops30h 50m
United Airlines
Fri 31/710:20 a.m.
SYD
-
YXU
3 stops24h 12m
United Airlines
Deal found 9/6C$ 3,115
Mon 27/73:30 p.m.
YXU
-
SYD
1 stop25h 50m
Air Canada
Mon 3/89:20 a.m.
SYD
-
YXU
1 stop38h 00m
Air Canada
Deal found 11/6C$ 3,557
Fri 24/73:30 p.m.
YXU
-
SYD
3 stops25h 50m
Air Canada
Fri 31/79:20 a.m.
SYD
-
YXU
3 stops25h 12m
Air Canada
Deal found 9/6C$ 4,006

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 14 June 2026.

Round-trip from

C$ 2,546

One-way from

C$ 1,396
Air Canada
  • Air Canada
  • 10/9-14/9
  • 4 total stops
  • 111h 50m total
  • London to Sydney
Search Deals
23/7
  • 23/7
  • 3 total stops
  • 56h 10m 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 14 June 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

Thu 10/9

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

2 stops49h 50m

Sydney Kingsford Smith

Mon 14/9

9:20 a.m.-9:20 a.m.

2 stops62h 00m

C$ 2,546

LondonSydney

YXU - SYD

YXUSYD

London

Mon 27/7

6:10 a.m.-7:30 a.m.

2 stops35h 20m

Sydney Kingsford Smith

Mon 3/8

5:50 p.m.-5:20 a.m.

2 stops25h 30m

C$ 2,611

LondonSydney

YXU - SYD

YXUSYD

London

Fri 24/7

10:05 a.m.-6:55 a.m.

2 stops30h 50m

Sydney Kingsford Smith

Fri 31/7

10:20 a.m.-8:32 p.m.

3 stops24h 12m

C$ 3,115

LondonSydney

YXU - SYD

YXUSYD

London

Mon 27/7

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

1 stop25h 50m

Sydney Kingsford Smith

Mon 3/8

9:20 a.m.-9:20 a.m.

1 stop38h 00m

C$ 3,557
Quickest round-trip

LondonSydney

YXU - SYD

YXUSYD

London

Fri 24/7

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

3 stops25h 50m

Sydney Kingsford Smith

Fri 31/7

9:20 a.m.-8:32 p.m.

3 stops25h 12m

C$ 4,006
Cheapest one-way
Quickest one-way

LondonSydney

YXU - SYD

YXUSYD

London

Thu 23/7

8:40 p.m.-6:50 p.m.

3 stops56h 10m

C$ 1,396

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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.

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 14 June 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
11,178 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Overall

7.1

Boarding

7.3

Food

6.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,178 reviews
Air Canada
7.1
Good
11,178 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Overall

7.1

Boarding

7.3

Food

6.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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 49h 50m. Fly via Air Canada to get the fastest option. Airlines will cover a distance of 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 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.

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 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 2,138AverageC$ 3,369FlexibilityNo 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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