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Cheap flights from Sydney to the United Kingdom from $556

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
15 Apr — 22 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 16 March 2026.

Mon 18/514:10
SYD
-
LHR
1 stop38h 10m
China Southern
Mon 25/522:10
LHR
-
SYD
1 stop36h 15m
China Southern
Deal found 11/3$1,210
Tue 19/510:05
SYD
-
LHR
2 stops39h 10m
China Southern
Sat 30/522:10
LHR
-
SYD
1 stop36h 15m
China Southern
Deal found 11/3$1,211
Sat 23/510:05
SYD
-
LHR
2 stops39h 10m
China Southern
Sun 31/522:10
LHR
-
SYD
1 stop29h 15m
China Southern
Deal found 11/3$1,213
Tue 26/514:10
SYD
-
LHR
1 stop38h 10m
China Southern
Fri 29/522:10
LHR
-
SYD
1 stop36h 15m
China Southern
Deal found 12/3$1,214
Sun 3/519:40
SYD
-
LGW
1 stop43h 55m
Air China
Tue 26/512:35
LGW
-
SYD
1 stop41h 15m
Air China
Deal found 12/3$1,214
Sun 7/619:40
SYD
-
LHR
1 stop31h 00m
Air China
Tue 16/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 15/3$1,217
Sat 2/519:40
SYD
-
LHR
1 stop33h 45m
Air China
Sun 7/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 14/3$1,218
Thu 14/519:40
SYD
-
LGW
1 stop43h 55m
Air China
Tue 26/512:35
LGW
-
SYD
1 stop41h 15m
Air China
Deal found 15/3$1,218
Sun 31/510:05
SYD
-
LHR
1 stop42h 15m
China Southern
Thu 11/622:10
LHR
-
SYD
1 stop36h 15m
China Southern
Deal found 12/3$1,220
Mon 18/508:45
SYD
-
LGW
2 stops42h 45m
China Southern
Mon 25/511:40
LGW
-
SYD
1 stop22h 45m
China Southern
Deal found 12/3$1,220
Sun 3/519:40
SYD
-
LHR
1 stop33h 45m
Air China
Tue 9/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 15/3$1,221
Thu 21/510:05
SYD
-
LHR
1 stop42h 15m
China Southern
Mon 1/622:10
LHR
-
SYD
1 stop29h 15m
China Southern
Deal found 14/3$1,223

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 16 March 2026.

Round-trip from

$1,210

One-way from

$556

Popular in

December

Cheapest in

February

Average price

$1,674

Good round-trip deal

$2,282 or less

Good one-way deal

$1,646 or less
China Southern
  • China Southern
  • 18/5-25/5
  • 2 total stops
  • 74h 25m total
  • Sydney to United Kingdom
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 21/5
  • 2 total stops
  • 31h 30m total
  • Sydney to United Kingdom
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($260 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($77 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
Price to beat on a one-way 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 16 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

Cheapest return flight

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 30/3

16:40-14:20

2 stops31h 40m

London Luton

Sun 12/4

05:40-16:50

2 stops26h 10m

$1,299

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 29/5

10:05-15:00

2 stops37h 55m

London Gatwick

Mon 22/6

11:35-09:00

1 stop36h 25m

$1,396

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 8/6

10:05-10:35

2 stops33h 30m

London Luton

Tue 16/6

07:05-19:25

2 stops27h 20m

$1,406

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 8/6

10:00-06:40

2 stops53h 40m

London Gatwick

Thu 11/6

18:00-08:00

3 stops53h 00m

$1,470

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 27/5

21:05-16:40

2 stops28h 35m

London Stansted

Wed 3/6

06:55-19:10

2 stops27h 15m

$1,473

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 21/5

21:05-16:35

2 stops28h 30m

London Gatwick

Mon 1/6

17:35-19:10

2 stops40h 35m

$1,515

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 6/4

15:40-14:00

2 stops31h 20m

London Luton

Mon 13/4

09:15-06:10

2 stops35h 55m

$1,549

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Wed 10/6

14:10-09:25

2 stops28h 15m

London Luton

Tue 16/6

07:05-19:25

2 stops27h 20m

$1,556

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 6/5

11:00-06:40

1 stop28h 40m

London Gatwick

Fri 11/9

18:00-09:00

1 stop30h 00m

$1,601

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 6/5

11:00-06:40

1 stop28h 40m

London Gatwick

Mon 7/9

18:00-08:00

2 stops53h 00m

$1,612

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $948). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,774). 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 16 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 16 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 16 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
3,543 reviews
Check prices

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
Emirates
8.1
Very Good
3,543 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
Cathay Pacific
7.6
Good
1,207 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
Qantas Airways
7.5
Good
1,004 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
Etihad Airways
7.3
Good
1,426 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
China Eastern
7.2
Good
198 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Crew

8.3

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

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 28h 35m. Sydney and United Kingdom are separated by a distance of 16943 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 $353. 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 $1,404. On average you can expect to pay $7,599. The most popular route, (Sydney Kingsford Smith - London Heathrow), can usually be booked for $1,247.

  • 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 $948). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,774). 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$961Average$1,374FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$1,024Average$1,481FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,137Average$1,582FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest$1,161Average$1,780FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Juneyao AirlinesCheapest$1,208Average$1,721FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights
Malaysia AirlinesCheapest$1,272Average$1,641FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,278Average$1,589FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air IndiaCheapest$1,346Average$1,613FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SWISSCheapest$1,392Average$1,945FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Japan AirlinesCheapest$1,435Average$1,639FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

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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.

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