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Cheap flights from Sydney to London from £204

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to London are usually found in February or May, booked 32 days in advance, depart on a Wednesday or Friday 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 February 2026.

Thu 23/414:10
SYD
-
LGW
1 stop25h 20m
China Southern
Sat 16/521:30
LGW
-
SYD
2 stops36h 55m
China Southern
Deal found 26/2£607
Fri 11/909:45
SYD
-
LGW
2 stops30h 40m
AirAsia X
Thu 24/910:25
LGW
-
SYD
2 stops36h 55m
AirAsia X
Deal found 25/2£608
Sun 3/510:05
SYD
-
LHR
1 stop41h 55m
China Southern
Tue 9/622:10
LHR
-
SYD
1 stop29h 25m
China Southern
Deal found 24/2£610
Wed 4/312:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Sat 14/317:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Deal found 25/2£610
Thu 21/514:15
SYD
-
LGW
1 stop25h 50m
China Southern
Mon 1/612:00
LGW
-
SYD
1 stop22h 40m
China Southern
Deal found 24/2£611
Sat 7/321:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Sat 14/310:30
LGW
-
SYD
1 stop36h 30m
China Eastern
Deal found 26/2£611
Mon 4/521:45
SYD
-
LGW
2 stops29h 45m
China Southern
Fri 8/512:00
LGW
-
SYD
1 stop39h 35m
China Southern
Deal found 25/2£612
Thu 5/309:55
SYD
-
LHR
1 stop44h 05m
Multiple Airlines
Mon 9/320:55
LHR
-
SYD
3 stops34h 55m
Multiple Airlines
Deal found 23/2£613
Mon 4/514:10
SYD
-
LHR
1 stop38h 10m
China Southern
Sun 7/622:10
LHR
-
SYD
1 stop29h 15m
China Southern
Deal found 26/2£614
Wed 3/610:05
SYD
-
LGW
1 stop29h 25m
China Southern
Mon 8/611:40
LGW
-
SYD
1 stop35h 45m
China Southern
Deal found 26/2£614
Fri 24/709:45
SYD
-
LGW
1 stop30h 40m
AirAsia X
Fri 21/810:25
LGW
-
SYD
1 stop36h 55m
AirAsia X
Deal found 26/2£615
Tue 3/312:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Sun 15/310:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Deal found 27/2£616

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 February 2026.

Round-trip from

£607

One-way from

£204

Popular in

December

Cheapest in

February

Average price

£773

Good round-trip deal

£895 or less
China Southern
  • China Southern
  • 23/4-16/5
  • 3 total stops
  • 62h 15m total
  • Sydney to London
Search Deals
AirAsia X
  • AirAsia X
  • 10/7
  • 2 total stops
  • 30h 40m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to London (LON).
Search Deals

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 858,174 searches. Data last updated 27 February 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

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 9/3

16:35-17:10

2 stops35h 35m

London Luton

Thu 12/3

20:40-17:55

2 stops34h 15m

£698

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Wed 11/3

16:35-15:05

2 stops33h 30m

London Luton

Sat 14/3

21:50-17:55

2 stops33h 05m

£719

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 1/6

10:05-12:50

2 stops35h 45m

London Luton

Mon 8/6

09:30-19:25

2 stops24h 55m

£756

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 1/6

20:30-15:00

1 stop27h 30m

London Gatwick

Thu 25/6

11:35-08:00

3 stops35h 25m

£770

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 1/6

20:30-15:00

1 stop27h 30m

London Gatwick

Sat 27/6

11:35-08:00

3 stops35h 25m

£770

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 29/4

20:30-15:00

1 stop27h 30m

London Gatwick

Fri 29/5

11:35-08:00

2 stops59h 25m

£770

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Thu 21/5

21:05-16:40

2 stops28h 35m

London Stansted

Tue 2/6

06:55-19:10

2 stops27h 15m

£772

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 14/5

21:05-16:40

2 stops28h 35m

London Gatwick

Sat 30/5

07:00-19:10

2 stops27h 10m

£778

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 13/3

12:00-06:30

1 stop29h 30m

London Gatwick

Sat 4/4

11:35-13:35

1 stop40h 00m

£812

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 13/4

15:40-11:00

2 stops28h 20m

London Luton

Mon 20/4

13:00-06:10

2 stops32h 10m

£824

Flights are sorted by cheapest return flights first.

Deals found on 27/2

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?

Use this chart to determine the optimal time to book a return flight from Sydney to London. Price data was last updated on 20 February 2026.

The price you pay for your flight from Sydney to London may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Sydney to London (average of £505). Flying from Sydney to London in December is currently the most expensive (average of £904). 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 February 2026.

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

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 February 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).

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.

Hong Kong (HKG) – 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.

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £741.

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 Dubai (DXB) have the shortest average one-way travel time for one-stop routes: 23h 31m.

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 Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 1h 55m.

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 February 2026.
Read through reviews of airlines operating flights from Sydney to London, such as Cathay Pacific, China Southern, andEtihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,180 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
China Southern
7.4
Good
138 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Etihad Airways
7.3
Good
1,420 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
China Eastern
7.2
Good
196 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
British Airways
6.7
Okay
7,772 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Food

7.3

Boarding

7.9

Entertainment

7.8

Crew

8.1

Comfort

7.6

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

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

    For a flight from Sydney to London, you will be flying from 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 outbound flights to London per day. 14 airlines have flights to London from Sydney Kingsford Smith on a regular basis.

  • How long is the flight from Sydney to London?

    China Southern, Turkish Airlines, and AirAsia X can get you from Sydney to London in just under 25h 20m. Your travel time can differ by up to 18h 20m. The distance from Sydney to London is about 10568 mi. This flight may include one or multiple stops.

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

    Flying on Turkish Airlines is currently your cheapest option to London, with prices starting at £611. Additional return tickets that might be worth considering are offered by China Eastern and China Southern, with the lowest prices starting at £624 and £654, respectively. Turkish Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Hainan Airlines, which is currently one of the cheapest options available, starting at £187. China Southern flights start at £193 while deals on Air China start at £205 one-way.

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

    The most popular flight routes from Sydney to London are Sydney Kingsford Smith - London Heathrow, Sydney Kingsford Smith - London Gatwick and Sydney Kingsford Smith - London Stansted.

  • What are the cheapest flights from Sydney to London?

    Looking for the cheapest flight from Sydney to London? While on average our users pay £960, our data indicates the cheapest price to be £862. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £535.

  • 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, February is the cheapest month in which you can book a flight from Sydney to London (average of £505). Flying from Sydney to London in December is currently the most expensive (average of £904). 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
Milton Keynes
Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Romford
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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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 858,174 searches. Data last updated 27 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£611Average£972FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China EasternCheapest£624Average£747FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£654Average£1,078FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£660Average£777FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£683Average£874FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£722Average£882FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest£773Average£1,038FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EmiratesCheapest£788Average£1,161FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Singapore AirlinesCheapest£795Average£1,034FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
British AirwaysCheapest£797Average£1,104FlexibilityNo 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 Sydney to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Sydney to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Sydney.

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

Need flexible booking options for your flight to London from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Sydney to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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