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Cheap flights from Sydney to London from $979

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
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

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 10 May 2026.

Thu 4/611:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Thu 18/618:00
LGW
-
SYD
3 stops53h 00m
China Eastern
Deal found 9/5$1,749
Wed 5/819:40
SYD
-
LGW
1 stop31h 50m
Air China
Wed 12/820:25
LGW
-
SYD
1 stop33h 25m
Air China
Deal found 9/5$1,800
Thu 9/709:45
SYD
-
LGW
2 stops30h 20m
Multiple Airlines
Mon 31/811:35
LGW
-
SYD
3 stops35h 25m
Multiple Airlines
Deal found 7/5$1,826
Fri 22/510:05
SYD
-
LGW
2 stops37h 55m
China Eastern
Fri 12/611:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Deal found 9/5$1,870
Fri 22/510:05
SYD
-
LGW
2 stops37h 55m
China Eastern
Wed 10/611:35
LGW
-
SYD
2 stops59h 25m
China Eastern
Deal found 9/5$1,883
Sun 7/611:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Sun 14/611:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Deal found 9/5$1,897
Thu 8/1021:50
SYD
-
LGW
1 stop43h 35m
AirAsia X
Thu 29/1009:25
LGW
-
SYD
1 stop36h 50m
AirAsia X
Deal found 9/5$1,924
Sun 19/709:45
SYD
-
LGW
1 stop30h 40m
AirAsia X
Wed 9/910:25
LGW
-
SYD
1 stop36h 55m
AirAsia X
Deal found 6/5$1,954
Sun 7/611:00
SYD
-
LGW
1 stop37h 00m
Multiple Airlines
Sun 14/617:55
LGW
-
SYD
3 stops32h 50m
Multiple Airlines
Deal found 9/5$1,964
Thu 12/1112:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Mon 16/1117:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Deal found 5/5$1,967
Thu 19/1121:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Mon 23/1110:30
LGW
-
SYD
1 stop36h 30m
China Eastern
Deal found 7/5$1,969

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 10 May 2026.

Round-trip from

$1,749

One-way from

$979

Popular in

December

Cheapest in

February

Average price

$1,878
China Eastern
  • China Eastern
  • 4/6-18/6
  • 4 total stops
  • 81h 40m total
  • Sydney to London
Search Deals
AirAsia X
  • AirAsia X
  • 10/7
  • 1 total stop
  • 30h 40m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($330 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 134,765 searches. Data last updated 10 May 2026.
Use the filters below to find and compare flights from Sydney to London that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 12/8

20:50-07:05

1 stop43h 15m

London Gatwick

Wed 14/10

10:25-09:20

1 stop36h 55m

$2,282

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 26/5

11:00-15:00

1 stop37h 00m

London Gatwick

Tue 9/6

18:00-09:00

1 stop30h 00m

$2,284

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 11/9

09:45-07:25

1 stop30h 40m

London Gatwick

Fri 16/10

10:25-09:20

1 stop36h 55m

$2,338

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 7/7

20:50-07:30

1 stop43h 40m

London Gatwick

Tue 14/7

10:25-08:20

1 stop36h 55m

$2,364

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 25/5

20:30-06:40

1 stop43h 10m

London Gatwick

Tue 16/6

18:00-09:00

1 stop30h 00m

$2,391

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 9/8

20:30-15:00

1 stop27h 30m

London Gatwick

Tue 13/10

11:35-10:00

1 stop36h 25m

$2,441
Fastest return journey

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 14/8

06:00-21:30

1 stop24h 30m

London Gatwick

Mon 12/10

23:55-18:30

1 stop32h 35m

$2,750

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sat 23/5

20:45-07:20

1 stop43h 35m

London Gatwick

Thu 11/6

09:15-17:30

1 stop23h 15m

$2,835

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 25/6

20:30-15:00

1 stop27h 30m

London Gatwick

Thu 2/7

11:35-08:00

3 stops35h 25m

$2,884

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 25/5

20:30-15:00

1 stop27h 30m

London Gatwick

Sun 7/6

11:35-09:00

1 stop36h 25m

$3,013

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 24 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

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

To ensure you get the cheapest price possible for a flight from Sydney to London, you should look to book at least 19 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $1,811). Flying from Sydney to London in December is currently the most expensive (average of $2,926). 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 10 May 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 10 May 2026.

The most flights from SYD to LON are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, 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?

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 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.

New Delhi (DEL) is the most affordable one-stop option, with an average return flight price of $1,450.

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: 22h 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 Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 1h 13m.

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?

    Most people fly from Sydney Kingsford Smith (SYD) if they book a flight from Sydney to London. On average, Kingsford Smith has 2 outbound flights to London per day from 0 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How long is the flight from Sydney to London?

    Departing from Sydney to London will take you 37h. Airlines will cover a distance of 17008 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 $1,811). Flying from Sydney to London in December is currently the most expensive (average of $2,926). 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
Royal Tunbridge Wells
Stansted
High Wycombe
Slough
Maidstone
Ilford
Hounslow
Hayes
Bishop's Stortford

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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?

Yes, we can. To see specific flights from Sydney to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from Sydney to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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