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Cheap flights from Sydney to London from £346

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
10 Sep — 17 Sep1
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 65 days in advance, depart on a Monday or Wednesday 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 11 August 2026.

Thu 15/1012:00 -
1 stop28h 40m
Fri 30/1010:30 -
1 stop36h 30m
Deal found 11/8£784
Mon 9/1112:00 -
1 stop29h 30m
Wed 11/1117:00 -
3 stops77h 05m
Deal found 10/8£785
Sun 16/820:30 -
1 stop31h 40m
Sun 23/817:55 -
3 stops32h 50m
Deal found 11/8£788
Mon 7/911:00 -
1 stop41h 10m
Mon 14/911:35 -
3 stops35h 25m
Deal found 10/8£789
Sun 6/910:05 -
2 stops37h 55m
Tue 8/922:00 -
2 stops49h 00m
Deal found 10/8£792
Sun 16/820:30 -
1 stop31h 10m
Wed 19/822:05 -
2 stops32h 20m
Deal found 10/8£792
Fri 23/1021:30 -
1 stop31h 10m
Fri 13/1121:00 -
1 stop29h 35m
Deal found 10/8£793
Wed 2/920:30 -
1 stop43h 10m
Wed 9/911:35 -
3 stops35h 25m
Deal found 10/8£794
Tue 10/1121:00 -
1 stop30h 20m
Mon 16/1120:25 -
1 stop24h 40m
Deal found 9/8£795
Wed 2/920:30 -
1 stop43h 10m
Wed 23/911:35 -
3 stops35h 25m
Deal found 7/8£795
Sun 9/820:30 -
1 stop31h 10m
Mon 14/921:20 -
1 stop30h 15m
Deal found 7/8£796
Fri 21/820:30 -
1 stop27h 30m
Sun 13/917:55 -
1 stop30h 05m
Deal found 9/8£796

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 11 August 2026.

Round-trip from

£785

One-way from

£346

Popular in

December

Cheapest in

February

Average price

£959

Good round-trip deal

£1,525 or less
China Eastern
  • China Eastern
  • 9/11-11/11
  • 4 total stops
  • 106h 35m total
  • Sydney to London
Search Deals
China Eastern
  • China Eastern
  • 27/10
  • 1 total stop
  • 29h 30m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 11 August 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 Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Fri 16/10

22:05-22:25

2 stops34h 20m

London Gatwick

Mon 19/10

10:50-20:10

2 stops47h 20m

£825

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Thu 1/10

21:05-22:25

2 stops34h 20m

London Gatwick

Mon 30/11

06:30-19:25

2 stops25h 55m

£838

SydneyLondon

SYD Sydney Kingsford Smith - LTN London Luton

SYDLTN

Sydney Kingsford Smith

Fri 16/10

16:40-18:00

2 stops35h 20m

London Luton

Sat 31/10

12:15-06:30

2 stops31h 15m

£858

SydneyLondon

SYD Sydney Kingsford Smith - LTN London Luton

SYDLTN

Sydney Kingsford Smith

Sun 25/10

16:50-11:15

2 stops29h 25m

London Luton

Sun 8/11

12:15-06:30

2 stops31h 15m

£869

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Thu 3/9

11:00-06:40

1 stop28h 40m

London Gatwick

Thu 10/9

11:35-08:00

3 stops35h 25m

£877

SydneyLondon

SYD Sydney Kingsford Smith - STN London Stansted

SYDSTN

Sydney Kingsford Smith

Thu 15/10

22:05-16:40

2 stops28h 35m

London Stansted

Fri 13/11

17:20-19:25

2 stops39h 05m

£886

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Wed 14/10

22:05-16:40

2 stops28h 35m

London Gatwick

Thu 12/11

06:30-19:25

2 stops25h 55m

£892

SydneyLondon

SYD Sydney Kingsford Smith - LTN London Luton

SYDLTN

Sydney Kingsford Smith

Mon 7/9

10:05-12:40

2 stops35h 35m

London Luton

Mon 14/9

08:00-19:25

2 stops26h 25m

£938
Fastest return journey

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Tue 1/12

16:20-05:45

1 stop24h 25m

London Heathrow

Thu 28/1

18:45-06:55

1 stop25h 10m

£939

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Fri 28/8

20:30-19:10

1 stop31h 40m

London Gatwick

Fri 25/9

11:35-08:00

3 stops35h 25m

£942

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 £807). Flying from Sydney to London in December is currently the most expensive (average of £1,310). 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 11 August 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 11 August 2026.

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

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

Airfare is below average for this route at the moment.
Sydney to London flights typically cost between £798 and £1,142 in November.
The cheapest return price found within the last 5 days was £785 on China Eastern (9 Nov–11 Nov).

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.

Abu Dhabi (AUH) – chosen by Cheapflights users on 24% 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.

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £668.

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 Perth (PER) have the shortest average one-way travel time for one-stop routes: 23h 55m.

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 Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 1h 42m.

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

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 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 11 August 2026.
Read through reviews of airlines operating flights from Sydney to London, such as Emirates,Cathay Pacific, andEtihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,649 reviews
Check prices

Overall

8.1

Crew

8.4

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Emirates
8.1
Very Good
3,649 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Overall

8.1

Crew

8.4

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Cathay Pacific
7.6
Good
1,446 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Overall

8.1

Crew

8.4

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Etihad Airways
7.3
Good
1,502 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Overall

8.1

Crew

8.4

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
China Southern
7.3
Good
173 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Overall

8.1

Crew

8.4

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
China Eastern
7.3
Good
232 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Overall

8.1

Crew

8.4

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

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 2 outbound flights to London per day. 10 airlines have flights to London from Sydney Kingsford Smith on a regular basis.

  • How long is the flight from Sydney to London?

    Turkish Airlines, China Eastern, and British Airways can get you from Sydney to London in just under 24h 25m. Your travel time can differ by up to 9h 55m. 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 Air China is currently your cheapest option to London, with prices starting at £636. Additional return tickets that might be worth considering are offered by Etihad Airways and Qatar Airways, with the lowest prices starting at £681 and £803, respectively. Air China is 35% 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 £197 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 £1,590, our data indicates the cheapest price to be £1,466. The most popular route (Sydney Kingsford Smith - London Heathrow), is priced around £609.

  • 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 £807). Flying from Sydney to London in December is currently the most expensive (average of £1,310). 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
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Milton Keynes
Luton
Gatwick
Wembley
Ilford
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Hayes
Croydon
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Brentford
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Southall
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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 11 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£636Average£1,258FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£681Average£890FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£803Average£1,080FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£850Average£1,228FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£864Average£1,277FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest£883Average£1,267FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£887Average£1,423FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
British AirwaysCheapest£972Average£1,421FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Cathay PacificCheapest£985Average£1,531FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapest£1,081Average£1,497FlexibilityNo cancel feeOn-time69%
Search United 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 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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