Cheap flights from Sydney to London from $780

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to London are usually found in February or October, booked 20 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Sydney to London

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to London
Explore the most affordable flight options available from Sydney to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2026.

Tue 10/1121:30
SYD
-
LHR
1 stop31h 40m
Etihad Airways
Mon 30/1120:55
LHR
-
SYD
1 stop22h 40m
Etihad Airways
Deal found 23/4$1,366
Sun 15/1116:35
SYD
-
LHR
1 stop32h 55m
Etihad Airways
Wed 18/1120:55
LHR
-
SYD
1 stop34h 00m
Etihad Airways
Deal found 26/4$1,382
Tue 3/1116:35
SYD
-
LHR
1 stop25h 05m
Etihad Airways
Thu 19/1119:20
LHR
-
SYD
1 stop35h 35m
Etihad Airways
Deal found 27/4$1,383
Tue 6/1021:30
SYD
-
LHR
1 stop25h 15m
Etihad Airways
Tue 3/1113:55
LHR
-
SYD
1 stop41h 00m
Etihad Airways
Deal found 23/4$1,386
Tue 27/1020:40
SYD
-
LHR
1 stop32h 10m
Air China
Sun 15/1117:40
LHR
-
SYD
1 stop34h 50m
Air China
Deal found 26/4$1,407
Thu 10/920:00
SYD
-
LHR
1 stop32h 00m
Air India
Fri 18/913:15
LHR
-
SYD
1 stop44h 10m
Air India
Deal found 24/4$1,431
Sat 25/720:00
SYD
-
LHR
1 stop24h 30m
Air India
Tue 11/820:35
LHR
-
SYD
1 stop36h 50m
Air India
Deal found 24/4$1,432
Thu 27/820:00
SYD
-
LHR
1 stop32h 00m
Air India
Wed 9/909:45
LHR
-
SYD
1 stop23h 40m
Air India
Deal found 27/4$1,434
Sat 1/820:00
SYD
-
LHR
1 stop32h 00m
Air India
Sat 29/809:45
LHR
-
SYD
1 stop23h 40m
Air India
Deal found 22/4$1,435
Mon 25/520:30
SYD
-
LGW
1 stop43h 10m
China Eastern
Sun 21/611:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Deal found 25/4$1,436
Tue 27/1012:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Sun 15/1110:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Deal found 26/4$1,439
Sun 9/820:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Mon 24/811:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Deal found 25/4$1,440

Find flight deals from Sydney to London

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to London (LON). 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 27 April 2026.

Round-trip from

$1,383

One-way from

$780

Popular in

December

Cheapest in

February

Average price

$1,821

Good round-trip deal

$2,401 or less

Good one-way deal

$1,999 or less
Etihad Airways
  • Etihad Airways
  • 9/10-27/10
  • 2 total stops
  • 59h 15m total
  • Sydney to London
19/5
  • 19/5
  • 3 total stops
  • 65h 55m total
  • Sydney to London
Highest demand for flights based on searches. 8% potential increase in price ($229 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($71 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Sydney Kingsford Smith to London (LON).
Price to beat on a one-way flight from Sydney Kingsford Smith to London (LON).

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to London 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 647,157 searches. Data last updated 27 April 2026.
Use the filters below to find and compare flights from Sydney to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Wed 3/6

10:05-12:50

2 stops35h 45m

London Luton

Wed 10/6

06:00-19:25

2 stops28h 25m

$1,638

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 26/8

20:50-07:05

1 stop43h 15m

London Gatwick

Wed 9/9

10:25-08:20

1 stop36h 55m

$1,638

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 10/8

20:30-15:00

1 stop27h 30m

London Gatwick

Mon 31/8

11:35-09:00

1 stop36h 25m

$1,661

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 9/9

20:50-07:05

1 stop43h 15m

London Gatwick

Wed 23/9

10:25-08:20

1 stop36h 55m

$1,747

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Thu 11/6

14:10-09:00

2 stops27h 50m

London Luton

Thu 18/6

06:00-19:25

2 stops28h 25m

$1,815

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 30/7

20:30-06:40

1 stop43h 10m

London Gatwick

Sun 16/8

11:35-08:00

3 stops59h 25m

$1,902

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Tue 9/6

11:00-11:00

2 stops33h 00m

London Luton

Tue 16/6

14:45-09:00

2 stops33h 15m

$1,930

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 11/5

20:45-20:25

1 stop32h 40m

London Heathrow

Sun 24/5

09:30-17:30

1 stop23h 00m

$1,936

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 25/5

20:45-14:05

1 stop26h 20m

London Heathrow

Thu 11/6

21:55-17:30

1 stop34h 35m

$1,936

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 11/5

20:45-14:10

1 stop26h 25m

London Heathrow

Fri 22/5

08:25-17:30

1 stop24h 05m

$1,978

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Sydney to London

Have a flexible travel schedule? Discover the best time to fly to London from Sydney 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 Sydney to London

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

The best time to book flights from Sydney to London is 19 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 Sydney to London?

Currently, May is the cheapest month in which you can book a flight from Sydney to London (average of $1,512). Flying from Sydney to London in December is currently the most expensive (average of $2,442). 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 SYD to LON?

Find hourly flight availability from Sydney to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 April 2026.

When flying from Sydney to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Sydney to London

Explore weekly flight availability from Sydney to London. 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 27 April 2026.

The most flights from SYD to LON 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).

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

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

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

Singapore (SIN) – chosen by Cheapflights users on 17% of one-stop itineraries from Sydney to London on Cheapflights.

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

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

New Delhi (DEL) is the most affordable one-stop option, with an average return flight price of $1,349.

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

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

Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 24h 15m.

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

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

Flights via New Delhi (DEL) offer the fastest connection on this route, with an average stopover time of 1h 35m.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 27 April 2026.
Get a feel of what it's like to fly with Emirates,Qantas Airways, andChina Southern from Sydney to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.9

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Food

7.9

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.

Related info for your journey

Find useful and relevant information for your journey from Sydney to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the best ways to get to the airports in Sydney and London?

    When flying from Sydney to London, you will depart from Sydney Kingsford Smith Airport in Sydney, the largest and busiest airport in Australia. Airport Link train services reach the airport from many stations around the city and suburbs and leave every 10 minutes. You can also find taxis, ride-share and Ubers available for your convenience. When you land in London, there will be several London-serving airports that cater for this flight. Your two most commonly used flights are Heathrow Airport for direct and one-stop flights and London City Airport for two-stop flights. These two airports are both close to London central and both on busy public transportation routes. From Heathrow Airport, it is simple to get to London. Hop on the Heathrow Express train on the Piccadilly line of the underground tube and jump off at your destination station. From London City Airport train station, you can catch a train running to Canning Town station on the DLR line every 10 minutes. You can also find that taxis and Ubers will serve both airports and get you to your destination with ease.

  • Which airlines fly directly from Sydney to London?

    If you are looking for a direct flight from Sydney to London, your two main options will be Qantas Airways who complete the flight in approximately 24 hours and 30 minutes and British Airways also fly direct in just under 24 hours. Most other flights from Sydney to London will include at least one stop, sometimes two. The further in advance you book, the more likely you are to find direct flights.

  • What are the stopover options between Sydney to London?

    With Sydney to London flights that include stopovers, you can find good deals from Emirates that take on average about 27 hours to reach London, with one stop in Dubai. British Airways also stops in Doha on flights that average 32 hours and 50 minutes. For two-stop flight options you can find that KLM goes via Singapore and Amsterdam, averaging 25 hours and 30 minutes in total. ANA also flies via Tokyo and Frankfurt for a total journey time of 45 hours. Booking long-distance flights with stops doesn’t always mean they are cheaper. If you book in advance, you can get great deals on direct flights and save on budget and time.

  • Do I need a passport or visa to fly from Sydney to London?

    Luckily, if you are an Australian citizen you will be able to fly to London without a visa for business, tourism or medical reasons. You will be able to remain in the UK for up to six months visa-free, but you will need a valid, up-to-date passport to enter the country.

  • Is there an alternative sustainable mode of transport from Sydney to London?

    London is situated about 10,559 miles from Sydney. The journey from the origin to the destination is long and involves crossing Australia, the Middle East, the Indian Ocean, and Europe. As a result, flights are the only sustainable means of making this journey. Flights offer fast, fuel-efficient, and high-capacity transport options for passengers who need to make this trip. Therefore, there is no alternative sustainable mode of transport that one can use when traveling from Sydney to London.

  • How can travelers reduce their carbon footprint for their journey from Sydney to London?

    The journey from Sydney to London is significantly long, and one way you can reduce your carbon footprint when on this journey is by selecting direct flights. There are several airlines that provide direct flights for this route. These flights usually consume less fuel than flights with one or several stopovers. Therefore, consider choosing an airline with direct flights for this route if you wish to reduce your carbon footprint for the journey.

  • What information is essential in helping travelers identify a sustainable airline for their Sydney to London trip?

    One of the best ways to identify a sustainable airline for your journey from Sydney to London is by researching the type of aircraft servicing the route. When you research the type of planes an airline has, you will learn about their engines and how efficient they are in fuel consumption. This will help you identify the most fuel-efficient airline you can use for your journey from Sydney to London. More so, newer aircraft often come equipped with more fuel-efficient engines than older ones.

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

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to London. You should not have trouble finding flights to London from Kingsford Smith; the airport handles an average of 3 outbound flights to London per day. You should also have plenty of airline options to choose from since 24 airlines have flights from the Sydney airport to London. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • How long is the flight from Sydney to London?

    For as low as $1,661, AirAsia X can have you in London from Sydney in 27h 30m. The distance from Sydney to London is about 17008 km. 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 Sydney to London round-trip?

    Our cheapest airline available from Sydney to London is Air China. Our recent data shows that you can find tickets from as low as $939 on this airline. Additional options worth looking into are China Southern and China Eastern, starting at $997 and $1,111 round-trip. You may be able to fly from Sydney to London for 46% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $345 on China Southern. Other airlines that offer cheap prices include Hainan Airlines from $361 and China Eastern from $370 one-way.

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

  • What are the cheapest flights from Sydney to London?

    Looking for the cheapest flight from Sydney to London? While on average our users pay $7,648, our data indicates the cheapest price to be $1,657. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around $1,264.

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

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

    Sentosa, Merlion, and Universal Studios Singapore are the most popular attractions in Singapore if you're in need of something to do during your stopover. Those on a stopover in Singapore interested in visiting Sentosa, Merlion, or Universal Studios Singapore can do so by traveling 21.6 km, 16.9 km, and 21.6 km, respectively from Singapore Changi. Those on a stopover in Singapore in need of a car hire can book one at Singapore Changi for about $119.

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

    Shanghai travellers tend to visit People's Square, French Concession, and Shanghai Disneyland more than any other notable places. People's Square, French Concession, and Shanghai Disneyland can be accessed by travelling approximately 32.7 km, 32.8 km, and 14.1 km, respectively from Shanghai Pu Dong.

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

  • Can I find deals for flights from Sydney to London that include hotel bookings?

    Yes. In addition to deals on Sydney to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to London.

  • Can I find deals for business class flights from Sydney to London?

    Yes. Cheapflights offers flight deals from Sydney to London 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 Sydney to London?

    Currently, May is the cheapest month in which you can book a flight from Sydney to London (average of $1,512). Flying from Sydney to London in December is currently the most expensive (average of $2,442). 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 London?

Book flights to London if you plan to visit one of these locations
Hounslow
Kingston upon Thames
Horsham
Chatham
Dover
Aylesbury
Luton
Braintree
Gatwick
Chertsey

Browse thousands of different options on Cheapflights for your next trip

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Fly from Sydney to London on these airlines

Choose from the following airlines for your flight from Sydney to London. Flights are based on user searches made on Cheapflights and were last updated on 27 April 2026.

Top 10 airlines flying from Sydney to London

Discover the top 10 airlines that operate flights from Sydney to London. 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 647,157 searches. Data last updated 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$939Average$1,356FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$998Average$1,447FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,111Average$1,435FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest$1,134Average$1,495FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Malaysia AirlinesCheapest$1,264Average$1,578FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air IndiaCheapest$1,312Average$1,674FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China AirlinesCheapest$1,313Average$1,583FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Virgin AustraliaCheapest$1,326Average$2,133FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Japan AirlinesCheapest$1,351Average$1,601FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
SWISSCheapest$1,388Average$2,218FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Helpful tips for your next trip to London

Get useful tips and recommendations to enhance your travel experience on your next trip to London. Learn about must-visit attractions, local customs, transportation options, weather conditions, and other valuable tips to make your trip more enjoyable and hassle-free.
  • British Airways is one of the sustainable airlines servicing the Sydney to London route. The airline has invested in developing sustainable fuel as well as planes having zero emissions. It also encourages its passengers to work on reducing their carbon footprint.
  • Sydney is a city committed to promoting environmental conservation and sustainability. For this reason, the city management requires airlines that are landing and taking off from the airports in the city to ensure their carbon emissions are within the allowable levels.
  • When you have a flight to catch from Sydney to London, you will likely board your flight at Sydney Kingsford Smith (SYD). The airport enhances environmental conservation by implementing an intelligent waste collection policy that ensures non-biodegradable materials are channeled for recycling.

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 Sydney to London?

When you search for this flight from Sydney to London, 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 Sydney to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to London.

Can Cheapflights find flights from Sydney to London with no change fees?

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

Can Cheapflights notify me if prices for flights from Sydney to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Sydney today and book when prices fit your budget.

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