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Cheap flights from Sydney to London from £424

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
27 Jul — 3 Aug1
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 37 days in advance, depart on a Monday 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 June 2026.

Tue 8/920:35
SYD
-
LHR
1 stop31h 25m
Air India
Mon 28/909:45
LHR
-
SYD
1 stop24h 20m
Air India
Deal found 27/6£877
Sun 18/1011:05
SYD
-
LGW
1 stop29h 25m
Multiple Airlines
Sat 7/1117:00
LGW
-
SYD
1 stop33h 35m
Multiple Airlines
Deal found 27/6£877
Wed 4/1113:25
SYD
-
STN
2 stops32h 35m
Multiple Airlines
Wed 18/1114:30
STN
-
SYD
2 stops29h 05m
Multiple Airlines
Deal found 26/6£877
Tue 7/706:30
SYD
-
LGW
3 stops40h 10m
Multiple Airlines
Mon 7/921:50
LGW
-
SYD
1 stop25h 35m
Multiple Airlines
Deal found 26/6£878
Tue 21/719:40
SYD
-
LHR
1 stop31h 00m
Air China
Thu 13/820:25
LHR
-
SYD
1 stop33h 25m
Air China
Deal found 27/6£878
Sat 11/720:30
SYD
-
LGW
1 stop43h 10m
China Eastern
Tue 14/711:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Deal found 27/6£878
Thu 16/710:05
SYD
-
LGW
2 stops65h 25m
China Southern
Fri 21/822:10
LGW
-
SYD
1 stop25h 15m
China Southern
Deal found 26/6£879
Sat 25/720:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Mon 10/818:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Deal found 26/6£880
Fri 17/719:40
SYD
-
LHR
1 stop31h 00m
Air China
Mon 3/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 22/6£881
Sat 25/719:40
SYD
-
LGW
2 stops44h 20m
Air China
Mon 10/812:35
LGW
-
SYD
1 stop41h 15m
Air China
Deal found 27/6£881
Tue 14/719:40
SYD
-
LHR
1 stop33h 45m
Air China
Wed 5/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 22/6£881
Fri 23/1011:05
SYD
-
LGW
2 stops37h 55m
China Eastern
Thu 5/1110:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Deal found 27/6£881

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 June 2026.

Round-trip from

£877

One-way from

£424

Popular in

December

Cheapest in

February

Average price

£1,113
Air India
  • Air India
  • 8/9-15/9
  • 2 total stops
  • 76h 15m total
  • Sydney to London
Search Deals
29/7
  • 29/7
  • 3 total stops
  • 56h 25m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 June 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 - LGW

SYDLGW

Sydney Kingsford Smith

Fri 10/7

10:05-15:00

2 stops37h 55m

London Gatwick

Tue 18/8

11:35-09:00

1 stop36h 25m

£882

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 24/7

10:05-18:40

3 stops41h 35m

London Heathrow

Fri 31/7

21:20-08:05

3 stops73h 45m

£926

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sun 9/8

11:00-11:25

2 stops33h 25m

London Luton

Sun 16/8

11:00-06:10

2 stops34h 10m

£950

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 2/10

14:35-06:35

1 stop25h 00m

London Heathrow

Thu 22/10

19:25-07:05

1 stop25h 40m

£960

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 1/10

21:05-22:25

2 stops34h 20m

London Gatwick

Mon 30/11

06:30-19:35

2 stops26h 05m

£968

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 10/8

20:50-21:45

2 stops33h 55m

London Luton

Mon 17/8

16:10-06:10

2 stops29h 00m

£972

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 27/7

20:50-22:50

2 stops35h 00m

London Luton

Sun 9/8

11:00-06:10

2 stops34h 10m

£982

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 3/8

20:50-21:45

2 stops33h 55m

London Luton

Sun 16/8

11:50-06:10

2 stops33h 20m

£993

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sat 1/8

13:00-14:45

2 stops34h 45m

London Luton

Sat 15/8

21:25-16:50

2 stops34h 25m

£998

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 20/8

20:50-18:45

1 stop30h 55m

London Heathrow

Sun 13/9

21:45-06:10

1 stop23h 25m

£1,034

Flights are sorted by cheapest return flights first.

Deals found on 23/6

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, October is the cheapest month in which you can book a flight from Sydney to London (average of £837). Flying from Sydney to London in December is currently the most expensive (average of £1,297). 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 June 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 June 2026.

The most flights from SYD to LON are scheduled on a Wednesday (4 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.

Abu Dhabi (AUH) – chosen by Cheapflights users on 22% 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 £773.

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 New Delhi (DEL) offer the fastest connection on this route, with an average stopover time of 1h 40m.

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 87 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 27 June 2026.
Read through reviews of airlines operating flights from Sydney to London, such as Emirates,Cathay Pacific, andChina Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,602 reviews
Check prices

Comfort

8.0

Boarding

8.1

Food

7.9

Entertainment

8.2

Crew

8.4

Overall

8.1

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
3,602 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Comfort

8.0

Boarding

8.1

Food

7.9

Entertainment

8.2

Crew

8.4

Overall

8.1

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
1,394 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Comfort

8.0

Boarding

8.1

Food

7.9

Entertainment

8.2

Crew

8.4

Overall

8.1

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
7.5
Good
154 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Comfort

8.0

Boarding

8.1

Food

7.9

Entertainment

8.2

Crew

8.4

Overall

8.1

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
1,467 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Comfort

8.0

Boarding

8.1

Food

7.9

Entertainment

8.2

Crew

8.4

Overall

8.1

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
226 reviews
Emirates
8.1
Very Good
3,602 reviews
Check prices

Comfort

8.0

Boarding

8.1

Food

7.9

Entertainment

8.2

Crew

8.4

Overall

8.1

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 3 outbound flights to London per day. 11 airlines have flights to London from Sydney Kingsford Smith on a regular basis.

  • How long is the flight from Sydney to London?

    China Eastern, British Airways, and Turkish Airlines can get you from Sydney to London in just under 25h. Your travel time can differ by up to 12h 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 £650. Additional return tickets that might be worth considering are offered by Etihad Airways and Air India, with the lowest prices starting at £719 and £776, respectively. Air China 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 £191. China Southern flights start at £198 while deals on Air China start at £210 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.

  • 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, October is the cheapest month in which you can book a flight from Sydney to London (average of £837). Flying from Sydney to London in December is currently the most expensive (average of £1,297). 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
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
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Watford
Southall
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Ipswich
Borehamwood
Folkestone
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£650Average£1,114FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£719Average£919FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest£776Average£1,074FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest£822Average£1,052FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£869Average£1,229FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£883Average£1,275FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest£903Average£1,245FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£907Average£1,455FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest£987Average£1,530FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
British AirwaysCheapest£994Average£1,386FlexibilityNo 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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