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Cheap flights from Sydney to the United Kingdom from $747

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
9 Jul — 16 Jul1
1 adult

Cheap 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 4 July 2025.

Round-trip from

$1,502

One-way from

$747

Popular in

December

Cheapest in

October

Average price

$1,958

Good round-trip deal

$2,134 or less

Good one-way deal

$1,467 or less
China Eastern
  • China Eastern
  • 30/7-6/8
  • 5 total stops
  • 89h 00m total
  • Sydney to United Kingdom
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15/9
  • 15/9
  • 3 total stops
  • 44h 00m total
  • Sydney to United Kingdom
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($404 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to United Kingdom.
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Price to beat on a one-way flight from Sydney Kingsford Smith to United Kingdom.
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Find flight deals from Sydney to United Kingdom

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 4 July 2025.

Wed 30/712:00SYD - LHR
2 stops39h 40mChina Eastern
Wed 6/821:20LHR - SYD
3 stops49h 20mChina Eastern
Deal found 2/7$1,502
Sun 17/812:00SYD - LGW
2 stops36h 10mChina Eastern
Tue 9/911:35LGW - SYD
3 stops35h 05mChina Eastern
Deal found 1/7$1,502
Fri 8/819:40SYD - LGW
2 stops32h 05mAir China
Tue 26/811:25LGW - SYD
2 stops42h 25mAir China
Deal found 3/7$1,503
Wed 30/719:45SYD - LHR
2 stops33h 30mAir China
Sat 16/822:00LHR - SYD
2 stops55h 50mAir China
Deal found 1/7$1,505
Sun 14/920:55SYD - LGW
2 stops48h 55mTurkish Airlines
Sun 16/1110:05LGW - SYD
2 stops46h 45mTurkish Airlines
Deal found 2/7$1,506
Mon 4/819:45SYD - LGW
2 stops32h 00mMultiple Airlines
Mon 1/918:05LGW - SYD
1 stop33h 30mMultiple Airlines
Deal found 3/7$1,522
Mon 18/821:30SYD - LHR
1 stop30h 15mEtihad Airways
Sun 7/921:45LHR - SYD
1 stop23h 25mEtihad Airways
Deal found 3/7$1,529
Sun 14/920:55SYD - LHR
2 stops32h 55mTurkish Airlines
Sun 16/1122:35LHR - SYD
2 stops34h 15mTurkish Airlines
Deal found 3/7$1,537
Thu 9/1016:00SYD - LHR
1 stop33h 45mMultiple Airlines
Tue 28/1017:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 3/7$1,564
Tue 5/821:45SYD - LHR
1 stop30h 15mChina Southern
Thu 4/922:10LHR - SYD
1 stop36h 15mChina Southern
Deal found 3/7$1,587
Mon 18/811:00SYD - LTN
2 stops43h 45mMultiple Airlines
Mon 25/806:00LTN - SYD
2 stops45h 35mMultiple Airlines
Deal found 3/7$1,598
Thu 7/812:50SYD - STN
2 stops33h 05mMultiple Airlines
Sun 31/808:30STN - SYD
3 stops40h 40mMultiple Airlines
Deal found 3/7$1,675

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 4 July 2025.
Use the filters below to find and compare flights from Sydney to the United Kingdom that are best for you.

Fly from

Sydney

Fly to

United Kingdom

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 22/7

19:40-20:30

1 stop33h 50m

London Heathrow

Sun 10/8

20:25-14:50

1 stop33h 25m

$1,502

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 17/8

12:00-15:10

2 stops36h 10m

London Gatwick

Tue 9/9

11:35-07:40

3 stops35h 05m

$1,502

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 23/10

21:55-11:45

2 stops47h 50m

London Heathrow

Sat 1/11

06:35-19:50

2 stops26h 15m

$1,503

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 8/8

19:40-18:45

2 stops32h 05m

London Gatwick

Tue 26/8

11:25-14:50

2 stops42h 25m

$1,503

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 14/9

20:55-12:50

2 stops48h 55m

London Gatwick

Sun 16/11

10:05-19:50

2 stops46h 45m

$1,506

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 7/8

19:40-18:35

1 stop31h 55m

London Gatwick

Sun 31/8

08:05-19:25

2 stops26h 20m

$1,517

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 26/7

20:30-18:40

1 stop31h 10m

London Heathrow

Mon 11/8

21:20-12:35

1 stop30h 15m

$1,517

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 18/8

21:30-18:45

1 stop30h 15m

London Heathrow

Sun 7/9

20:55-06:10

1 stop24h 15m

$1,526

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 10/9

12:50-14:05

2 stops34h 15m

London Stansted

Sat 27/9

06:00-09:45

3 stops42h 45m

$1,607

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 1/9

20:30-21:45

2 stops34h 15m

London Luton

Sun 14/9

15:35-09:00

2 stops32h 25m

$1,666

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 60 results
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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, October is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of $1,037). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,667). 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 4 July 2025.

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 4 July 2025.

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 4 July 2025.
Read through reviews of airlines operating flights from Sydney to the United Kingdom, such as Hainan Airlines, Emirates, andKLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Entertainment

7.6

Crew

8.9

Food

8.6

Comfort

8.1

Boarding

8.6

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.2
Very Good
41 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Entertainment

7.6

Crew

8.9

Food

8.6

Comfort

8.1

Boarding

8.6

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Emirates
8.1
Very Good
3,287 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Entertainment

7.6

Crew

8.9

Food

8.6

Comfort

8.1

Boarding

8.6

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
KLM
7.8
Good
1,367 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Entertainment

7.6

Crew

8.9

Food

8.6

Comfort

8.1

Boarding

8.6

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Cathay Pacific
7.6
Good
921 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Entertainment

7.6

Crew

8.9

Food

8.6

Comfort

8.1

Boarding

8.6

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.6
Good
100 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Entertainment

7.6

Crew

8.9

Food

8.6

Comfort

8.1

Boarding

8.6

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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.

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

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as $782. However, be on the lookout for offers from China Eastern and Etihad Airways, 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 $1,357. On average you can expect to pay $8,477. The most popular route, (Sydney Kingsford Smith - London Heathrow), can usually be booked for $1,382.

  • 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, October is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of $1,037). Flying from Sydney to United Kingdom in December is currently the most expensive (average of $1,667). 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

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Alternative routes for Sydney to United Kingdom

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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$835Average$2,444FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air ChinaCheapest$1,078Average$1,488FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest$1,292Average$1,648FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SriLankan AirlinesCheapest$1,397Average$1,894FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Turkish AirlinesCheapest$1,403Average$1,792FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China AirlinesCheapest$1,448Average$1,713FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Vietnam AirlinesCheapest$1,460Average$1,993FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Japan AirlinesCheapest$1,468Average$2,036FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
SWISSCheapest$1,490Average$2,023FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest$1,500Average$2,277FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to United Kingdom?

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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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