Cheap flights from London to Sydney from £442

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
3 Jun — 10 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Sydney Kingsford Smith are usually found in May or June, booked 46 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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 4 May 2026.

Sun 1/1121:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Sun 15/1112:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 30/4£769
Sun 1/1117:15
LHR
-
SYD
2 stops29h 10m
China Southern
Tue 17/1111:25
SYD
-
LHR
1 stop42h 10m
China Southern
Deal found 30/4£769
Sun 18/1021:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Sun 15/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 1/5£775
Mon 18/521:45
LGW
-
SYD
1 stop23h 20m
Emirates
Wed 27/520:10
SYD
-
LGW
1 stop25h 25m
Emirates
Deal found 30/4£776
Mon 18/521:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Mon 8/620:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Deal found 1/5£776
Mon 2/1121:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Sun 8/1112:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 2/5£778
Sat 12/918:00
LGW
-
SYD
2 stops29h 00m
China Eastern
Sat 3/1011:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 30/4£778
Wed 3/618:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Wed 10/611:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 2/5£779
Wed 21/1011:35
LGW
-
SYD
3 stops35h 25m
China Eastern
Wed 28/1021:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Deal found 30/4£780
Thu 11/618:00
LGW
-
SYD
2 stops29h 00m
China Eastern
Fri 19/610:05
SYD
-
LGW
2 stops37h 55m
China Eastern
Deal found 30/4£780
Fri 25/1210:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Fri 15/121:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Deal found 3/5£781
Thu 31/1220:25
LHR
-
SYD
1 stop32h 05m
Multiple Airlines
Tue 19/121:00
SYD
-
LHR
1 stop30h 20m
Multiple Airlines
Deal found 3/5£781

Find flight deals from London to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 4 May 2026.

Round-trip from

£767

One-way from

£442

Popular in

December

Cheapest in

May

Average price

£797

Good round-trip deal

£1,065 or less

Good one-way deal

£787 or less
China Eastern
  • China Eastern
  • 10/9-3/10
  • 2 total stops
  • 67h 00m total
  • London to Sydney
China Eastern
  • China Eastern
  • 4/9
  • 1 total stop
  • 36h 25m total
  • London to Sydney
Highest demand for flights based on searches. 7% potential increase in price (£58 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from London (LON) to Sydney Kingsford Smith.
Price to beat on a one-way flight from London (LON) to Sydney Kingsford Smith.

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 858,174 searches. Data last updated 4 May 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

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 31/10

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Thu 19/11

21:30-17:30

1 stop31h 00m

£848

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 7/6

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Sun 14/6

10:05-18:40

3 stops41h 35m

£895

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 10/9

11:35-08:00

2 stops35h 25m

Sydney Kingsford Smith

Sun 4/10

21:30-15:00

1 stop27h 30m

£924

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 12/9

11:35-12:35

1 stop40h 00m

Sydney Kingsford Smith

Sun 4/10

21:30-15:00

1 stop27h 30m

£949

LondonSydney

STN - SYD

STNSYD

London Stansted

Fri 12/6

06:55-06:05

3 stops38h 10m

Sydney Kingsford Smith

Tue 1/12

07:15-16:20

3 stops44h 05m

£950

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 29/6

14:45-06:10

1 stop30h 25m

Sydney Kingsford Smith

Sat 11/7

21:30-07:00

1 stop42h 30m

£959

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 3/6

17:45-09:35

2 stops30h 50m

Sydney Kingsford Smith

Thu 2/7

21:05-16:40

2 stops28h 35m

£972

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 14/9

09:30-06:10

1 stop35h 40m

Sydney Kingsford Smith

Fri 2/10

21:30-12:45

1 stop24h 15m

£977

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 11/9

20:50-06:10

1 stop24h 20m

Sydney Kingsford Smith

Thu 24/9

21:30-12:45

1 stop24h 15m

£981

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 7/9

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Sat 19/9

11:00-15:00

1 stop37h 00m

£989

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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.

Cheapflights Insights

Everything you need to know about your flight from London to Sydney

How far ahead should I book a flight from London to Sydney?

The best time to book flights from London to Sydney is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, June is the cheapest month in which you can book a flight from London to Sydney (average of £812). Flying from London to Sydney in December is currently the most expensive (average of £1,344). 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.

What is the cheapest time of day to fly from LON to SYD?

Find hourly flight availability from London to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Sydney as you normally would.

Weekly flight availability from London to Sydney

Explore weekly flight availability from London to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 May 2026.

The most flights from LON to SYD are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from London to Sydney?

What’s the top stopover airport for flights from London to Sydney?

Share of one-stop return flights from London to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Abu Dhabi (AUH) – chosen by Cheapflights users on 13% of one-stop itineraries from London to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from London to Sydney?

Average return fare for one-stop flights from London to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Jakarta (CGK) is the most affordable one-stop option, with an average return flight price of £340.

What’s the fastest stopover option from London to Sydney?

Shortest average travel time for one-stop one-way flights from London to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Jakarta (CGK) have the shortest average one-way travel time for one-stop routes: 12h 20m.

Which airport typically offers the quickest stopover for flights from London to Sydney?

Average stopover duration for one-stop one-way flights from London to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 1h 08m.

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 4 May 2026.
Check out reviews from past customers who have flown with Cathay Pacific,China Southern, andEtihad Airways from London to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.8

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕

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.
  • What airport do you fly into for flights to Sydney from London?

    For a flight from London to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 2 inbound flights from London per day. 29 airlines have flights to Sydney Kingsford Smith from London on a regular basis.

  • How long is the flight from London to Sydney?

    A quick flight from London to Sydney can take about 29h 35m. China Eastern provides one of the quickest options available for as low as £848. Airlines will cover a distance of 10568 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London to Sydney round-trip?

    Flying on Hainan Airlines is currently your cheapest option to Sydney, with prices starting at £202. Additional return tickets that might be worth considering are offered by China Southern and Air China, with the lowest prices starting at £458 and £525, respectively. Hainan Airlines is 79% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London to Sydney one-way?

    The cheapet airlines for a one-way flight from London to Sydney are China Eastern (£333), Air China (£335), and Tianjin Airlines (£347).

  • What are the most popular routes from London to Sydney?

  • What are the cheapest flights from London to Sydney?

    The cheapest flight price from London to Sydney is £632. On average you can expect to pay £4,260. The most popular route, (London Heathrow - Sydney Kingsford Smith), can usually be booked for £713.

  • Where are the most common stopover locations when flying from London to Sydney?

  • What are some popular things to do or see while on a stopover in Shanghai?

    If you're on a stopover in Shanghai and looking for things to do, consider visiting People's Square, Shanghai Disneyland, or Shanghai Dianchun Hall. People's Square, Shanghai Disneyland, and Shanghai Dianchun Hall are located about 20.3 mi, 8.7 mi, and 19.4 mi, respectively from Shanghai Pu Dong.

  • What are some popular points of interest to see during a stopover in Abu Dhabi?

    Emirates Palace, Yas Waterworld, and Ferrari World Abu Dhabi are the most popular attractions in Abu Dhabi if you're in need of something to do during your stopover. Emirates Palace, Yas Waterworld and Ferrari World Abu Dhabi are located about 21.1 mi, 5.0 mi, and 4.5 mi, respectively from Abu Dhabi Zayed Intl if you are interested in checking them out. Those looking to explore during their stopover in Abu Dhabi can hire a car from Abu Dhabi Zayed Intl for about £13 per day.

  • What are points of interest worth seeing during a stopover in New Delhi?

    Most New Delhi visitors opt to spend their time at Karol Bagh, Lajpat Nagar Central Market, and Hauz Khas Market. Karol Bagh, Lajpat Nagar Central Market, and Hauz Khas Market are located about 8.7 mi, 8.7 mi, and 6.5 mi, respectively from New Delhi Indira Gandhi Intl. Travellers in need of a car in New Delhi can hire one for about £40 per day.

  • Where are the least popular stopover locations for London to Sydney flights?

  • 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.

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

    Currently, June is the cheapest month in which you can book a flight from London to Sydney (average of £812). Flying from London to Sydney in December is currently the most expensive (average of £1,344). 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.

  • What are the most eco-friendly airlines from London to Sydney?

    There are a few major airlines that serve the route to Sydney from London; these are Virgin Atlantic, Cathay Pacific, Singapore Airlines, and Etihad Airways. All these companies are extremely cautious and forward-thinking when it comes to sustainability and an eco-friendly atmosphere. Cathay Pacific strives to make every customer’s journey important and embrace their responsibility to serve future generations. They are also strongly committed to social responsibility and go an extra mile to reduce the environmental impacts of their company. Some of their aims are to reduce waste and also consumption of natural resources, to support communities that promote the conservation of natural resources and to ensure their stakeholders’ business decisions are also aligned with environmental, social and economic considerations. Virgin Atlantic also prioritise their commitments when it comes to sustainable travel. They have a goal to be net zero by 2050, they are reducing aircraft weight and have 100 per cent green electricity in their offices.

  • How to fly more sustainably from London to Sydney?

    There are a few things you can do in order to fly more sustainably to Sydney from London. The first and most obvious one would be to fly directly, or with as little layovers as possible. While direct flights are not available on this route, there are many flights with two or three stopovers, and it would be wise to select those with only one stop in order to reduce environmental impact. Other steps you can take is to purchase your food beforehand to reduce food waste, and also bring your own reusable mugs for water and other beverages so you can reduce plastic waste.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Parramatta
Coogee
Manly

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Fly from London to Sydney on these airlines

Choose from the following airlines for your flight from London to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 4 May 2026.

Top 10 airlines flying from London to Sydney

Discover the top 10 airlines 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 858,174 searches. Data last updated 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£202Average£750FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£525Average£761FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£670Average£1,394FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
SWISSCheapest£671Average£1,051FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£679Average£1,055FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air New ZealandCheapest£758Average£1,212FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
China AirlinesCheapest£765Average£875FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
LufthansaCheapest£814Average£937FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Vietnam AirlinesCheapest£825Average£923FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
British AirwaysCheapest£841Average£1,115FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

When you search for this flight from London to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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?

Yes! Cheapflights helps users easily find flights from London to Sydney with no change fees.

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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