Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Sydney to the United Kingdom from $391

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
1 Apr — 8 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to United Kingdom
Explore the most affordable flight options available from Sydney to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 March 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$1,154
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$1,155
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$1,160
Tue 6/1021:50
SYD
-
LGW
1 stop43h 40m
AirAsia X
Fri 26/209:25
LGW
-
SYD
1 stop36h 50m
AirAsia X
Deal found 26/2$1,161
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$1,162
Tue 5/514:10
SYD
-
LHR
1 stop38h 10m
China Southern
Wed 3/622:10
LHR
-
SYD
1 stop36h 15m
China Southern
Deal found 26/2$1,165
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$1,167
Fri 31/709:45
SYD
-
LGW
2 stops30h 40m
AirAsia X
Fri 21/810:25
LGW
-
SYD
2 stops36h 55m
AirAsia X
Deal found 28/2$1,167
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$1,168
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$1,169
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$1,171
Wed 11/312:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Thu 12/310:30
LGW
-
SYD
1 stop36h 30m
China Eastern
Deal found 27/2$1,172

Find flight deals from Sydney to United Kingdom

Keep the following information in mind while searching for Sydney to United Kingdom flight deals. Data was last updated 2 March 2026.

Round-trip from

$1,154

One-way from

$391

Popular in

December

Cheapest in

February

Average price

$1,555

Good round-trip deal

$4,070 or less
China Southern
  • China Southern
  • 23/4-16/5
  • 3 total stops
  • 62h 15m total
  • Sydney to United Kingdom
Search Deals
Beijing Capital Airlines
  • Beijing Capital Airlines
  • 12/3
  • 1 total stop
  • 44h 05m total
  • Sydney to United Kingdom
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($257 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to United Kingdom.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to United Kingdom 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 2 March 2026.
Use the filters below to find and compare flights from Sydney to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 7/8

09:45-07:25

1 stop30h 40m

London Gatwick

Fri 28/8

10:25-08:20

1 stop36h 55m

$1,254

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

$1,436

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

$1,465

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 20/5

21:05-16:40

2 stops28h 35m

London Stansted

Wed 3/6

06:55-19:10

2 stops27h 15m

$1,472

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 25/5

10:00-15:00

2 stops62h 00m

London Gatwick

Fri 29/5

11:35-08:00

2 stops59h 25m

$1,476

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 21/5

21:05-16:40

2 stops28h 35m

London Gatwick

Mon 1/6

07:00-19:10

2 stops27h 10m

$1,479

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 21/5

21:05-16:40

2 stops28h 35m

London Gatwick

Sun 31/5

17:35-19:10

2 stops40h 35m

$1,510

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Tue 28/4

21:05-16:50

2 stops28h 45m

London Stansted

Tue 2/6

06:55-19:10

2 stops27h 15m

$1,570

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Thu 23/4

21:30-23:00

2 stops34h 30m

London Luton

Thu 7/5

05:40-16:50

2 stops26h 10m

$1,619

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 28/4

21:05-15:10

2 stops27h 05m

London Heathrow

Fri 29/5

18:30-19:10

2 stops39h 40m

$1,635

Flights are sorted by cheapest return flights first.

Deals found on 28/2

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Sydney to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

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

Currently, February is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of $960). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,719). 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 GB?

Find hourly flight availability from Sydney to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 March 2026.

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

Weekly flight availability from Sydney to United Kingdom

Explore weekly flight availability from Sydney to United Kingdom. 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 2 March 2026.

The most flights from SYD to GB0 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).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 2 March 2026.
Read through reviews of airlines operating flights from Sydney to the United Kingdom, such as Emirates, Cathay Pacific, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,536 reviews
Check prices

Entertainment

8.2

Crew

8.4

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Emirates
8.1
Very Good
3,536 reviews
Emirates
8.1
Very Good
3,536 reviews
Check prices

Entertainment

8.2

Crew

8.4

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Cathay Pacific
7.6
Good
1,182 reviews
Emirates
8.1
Very Good
3,536 reviews
Check prices

Entertainment

8.2

Crew

8.4

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Qantas Airways
7.5
Good
1,000 reviews
Emirates
8.1
Very Good
3,536 reviews
Check prices

Entertainment

8.2

Crew

8.4

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Etihad Airways
7.3
Good
1,420 reviews
Emirates
8.1
Very Good
3,536 reviews
Check prices

Entertainment

8.2

Crew

8.4

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
China Eastern
7.2
Good
196 reviews
Emirates
8.1
Very Good
3,536 reviews
Check prices

Entertainment

8.2

Crew

8.4

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Related info for your journey

Find useful and relevant information for your journey from Sydney to United Kingdom. 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 United Kingdom?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to United Kingdom. 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 United Kingdom?

    Departing from Sydney to United Kingdom will take you 27h 30m. Sydney and United Kingdom are separated by a distance of 17008 km. This flight may include one or multiple stops.

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

    The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as $347. However, be on the lookout for offers from Air China and Hainan Airlines, as they are both options that can get you from Sydney to United Kingdom for a low price.

  • What are the most popular routes from Sydney to United Kingdom?

    The most popular flight routes from Sydney to United Kingdom 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 United Kingdom?

    The cheapest flight price from Sydney to United Kingdom is $4,070. On average you can expect to pay $11,015. The most popular route, (Sydney Kingsford Smith - London Heathrow), can usually be booked for $1,047.

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

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

  • How can I find direct flights from Sydney to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Sydney to United Kingdom 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 United Kingdom?

    Currently, February is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of $960). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,719). 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

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 United Kingdom

Discover the top 10 airlines that operate flights from Sydney to United Kingdom. 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 2 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$953Average$1,341FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$1,006Average$1,458FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,117Average$1,538FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest$1,140Average$1,735FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Juneyao AirlinesCheapest$1,186Average$1,690FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights
Malaysia AirlinesCheapest$1,251Average$1,610FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,312Average$1,563FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air IndiaCheapest$1,315Average$1,581FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SWISSCheapest$1,367Average$1,911FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Japan AirlinesCheapest$1,409Average$1,847FlexibilityNo cancel feeOn-time79%
Search Japan 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 United Kingdom?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from Sydney today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to United Kingdom for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to United Kingdom, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Sydney to United Kingdom 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.