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Cheap flights from London to Sydney from £463

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
25 Feb — 4 Mar1
1 adult

The best prices from London to Sydney Kingsford Smith are usually found in May or March, booked 52 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 20 February 2025.

Round-trip from

£735

One-way from

£463

Popular in

December

Cheapest in

May

Average price

£945

Good round-trip deal

£1,034 or less

Good one-way deal

£899 or less
China Eastern
  • China Eastern
  • 12/3-14/3
  • 2 total stops
  • 73h 30m total
  • London to Sydney
Tianjin Airlines
  • Tianjin Airlines
  • 22/3
  • 1 total stop
  • 30h 50m total
  • London to Sydney
Highest demand for flights based on searches. 10% potential increase in price (£92 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 February 2025
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.

Find flight deals from London to Sydney

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 20 February 2025.

Wed 12/310:30LGW - SYD
1 stop36h 30mChina Eastern
Fri 14/312:00SYD - LGW
1 stop37h 00mChina Eastern
Deal found 19/2£735
Wed 26/221:30LHR - SYD
2 stops47h 00mChina Southern
Wed 26/311:25SYD - LHR
2 stops41h 30mChina Southern
Deal found 19/2£735
Thu 13/321:35LHR - SYD
2 stops30h 55mAir China
Tue 18/320:40SYD - LHR
2 stops58h 00mAir China
Deal found 19/2£737
Wed 19/321:00LHR - SYD
2 stops51h 00mChina Eastern
Wed 9/411:00SYD - LHR
1 stop40h 40mChina Eastern
Deal found 19/2£738
Mon 3/319:20LHR - SYD
1 stop24h 05mEtihad Airways
Mon 10/321:30SYD - LHR
1 stop31h 55mEtihad Airways
Deal found 19/2£739
Sat 15/320:25LGW - SYD
2 stops60h 55mChina Southern
Sun 30/322:15SYD - LGW
2 stops54h 15mChina Southern
Deal found 19/2£741
Sat 8/310:30LGW - SYD
2 stops47h 05mMultiple Airlines
Mon 24/321:50SYD - LGW
2 stops43h 40mMultiple Airlines
Deal found 19/2£743
Thu 27/206:00LGW - SYD
2 stops26h 05mTurkish Airlines
Thu 13/321:00SYD - LGW
2 stops35h 30mTurkish Airlines
Deal found 19/2£746
Fri 7/321:00LHR - SYD
2 stops50h 25mMultiple Airlines
Thu 27/312:30SYD - LHR
2 stops40h 05mMultiple Airlines
Deal found 18/2£746
Sun 20/407:10LTN - SYD
2 stops51h 20mMultiple Airlines
Sat 17/512:50SYD - LTN
2 stops36h 15mMultiple Airlines
Deal found 18/2£758
Wed 7/506:30LHR - SYD
1 stop27h 30mTurkish Airlines
Wed 16/720:55SYD - LHR
1 stop27h 10mTurkish Airlines
Deal found 19/2£771
Sat 1/321:00LHR - SYD
1 stop30h 50mTianjin Airlines
Fri 21/316:50SYD - LHR
1 stop37h 10mTianjin Airlines
Deal found 19/2£819

Find flights from London to Sydney within your budget

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 20 February 2025.

Fly from

London

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 12/3

10:30-10:00

1 stop36h 30m

Sydney Kingsford Smith

Fri 14/3

12:00-14:00

1 stop37h 00m

£735

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 29/5

21:00-19:40

2 stops37h 40m

Sydney Kingsford Smith

Sat 14/6

08:45-16:15

2 stops40h 30m

£735

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 13/3

21:35-15:30

2 stops30h 55m

Sydney Kingsford Smith

Tue 18/3

20:40-19:40

2 stops58h 00m

£737

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 19/3

21:00-11:00

2 stops51h 00m

Sydney Kingsford Smith

Wed 9/4

11:00-18:40

1 stop40h 40m

£738

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/3

19:20-06:25

1 stop24h 05m

Sydney Kingsford Smith

Mon 10/3

21:30-18:25

1 stop31h 55m

£739

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 15/3

20:25-20:20

2 stops60h 55m

Sydney Kingsford Smith

Sun 30/3

22:15-18:30

2 stops54h 15m

£741

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 8/3

10:30-20:35

2 stops47h 05m

Sydney Kingsford Smith

Mon 24/3

21:50-06:30

2 stops43h 40m

£743

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 7/3

21:00-10:25

2 stops50h 25m

Sydney Kingsford Smith

Thu 27/3

12:30-17:35

2 stops40h 05m

£746

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 27/5

17:15-19:00

2 stops40h 45m

Sydney Kingsford Smith

Sun 15/6

20:55-16:15

2 stops28h 20m

£748

LondonSydney

LTN - SYD

LTNSYD

London Luton

Sun 20/4

07:10-19:30

2 stops51h 20m

Sydney Kingsford Smith

Sat 17/5

12:50-16:05

2 stops36h 15m

£758

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 53 results
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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.

Travel insights for flights from London to Sydney

Get recent, data-driven insights about flights from London to Sydney including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from London to Sydney. Price data was last updated on 14 February 2025.

The best time to book flights from London to Sydney is 52 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, May is the cheapest month in which you can book a flight from London to Sydney (average of £985). Flying from London to Sydney in July is currently the most expensive (average of £1,728). 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 20 February 2025.

It’s optimal to fly from London to Sydney in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from London to Sydney?

Use this chart to determine the cheapest time to fly return from London to Sydney. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Sydney flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 20 February 2025.

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

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 20 February 2025.
See what other customers who have flown with China Airlines, Emirates and Singapore Airlines from London to Sydney have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Overall

8.2

Crew

8.5

Food

7.8

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Comfort

8.0

Overall

8.2

Crew

8.5

Food

7.8

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Comfort

8.0

Overall

8.2

Crew

8.5

Food

7.8

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Comfort

8.0

Overall

8.2

Crew

8.5

Food

7.8

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Comfort

8.0

Overall

8.2

Crew

8.5

Food

7.8

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Comfort

8.0

Overall

8.2

Crew

8.5

Food

7.8

Entertainment

8.0

Boarding

8.3

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

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 3 inbound flights from London per day. 30 airlines have flights to Sydney Kingsford Smith from London on a regular basis.

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

    Flying on China Eastern is currently your cheapest option to Sydney, with prices starting at £735. Additional return tickets that might be worth considering are offered by China Southern and Air China, with the lowest prices starting at £735 and £737, respectively. China Eastern is 28% 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 Tianjin Airlines (£463), Etihad Airways (£464), and Air China (£471).

  • 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 £843. On average you can expect to pay £4,383. The most popular route, (London Heathrow - Sydney Kingsford Smith), can usually be booked for £522.

  • 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 Singapore?

    If you're on a stopover in Singapore and looking for things to do, consider visiting Sentosa, Merlion, or Universal Studios Singapore. Sentosa, Merlion, and Universal Studios Singapore are located about 13.4 mi, 10.5 mi, and 13.4 mi, respectively from Singapore Changi. Travellers can book a car hire at Singapore Changi for about £114 per day to make their sightseeing more efficient.

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

    Shanghai Disneyland, People's Square, and French Concession are the most popular attractions in Shanghai if you're in need of something to do during your stopover. Shanghai Disneyland, People's Square and French Concession are located about 8.7 mi, 20.3 mi, and 20.4 mi, respectively from Shanghai Pu Dong if you are interested in checking them out.

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

    Most Guangzhou visitors opt to spend their time at Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo. Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo are located about 17.3 mi, 19.5 mi, and 17.2 mi, respectively from Guangzhou Baiyun.

  • 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, May is the cheapest month in which you can book a flight from London to Sydney (average of £985). Flying from London to Sydney in July is currently the most expensive (average of £1,728). 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

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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 20 February 2025.

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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£375Average£1,666FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
SWISSCheapest£663Average£917FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air IndiaCheapest£741Average£990FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Turkish AirlinesCheapest£760Average£1,200FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest£767Average£962FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest£792Average£920FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Vietnam AirlinesCheapest£815Average£1,180FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Air FranceCheapest£885Average£1,236FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£971Average£1,094FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£998Average£1,121FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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