Cheap flights from the United Kingdom to Sydney from $832

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from United Kingdom to Sydney

Keep the following information in mind while searching for United Kingdom to Sydney flight deals. Data was last updated 17 September 2025.

Round-trip from

$1,247

One-way from

$832

Popular in

December

Cheapest in

May

Average price

$1,717

Good round-trip deal

$2,308 or less

Good one-way deal

$1,933 or less
4/12-29/1
  • 4/12-29/1
  • 4 total stops
  • 79h 40m total
  • United Kingdom to Sydney
17/12
  • 17/12
  • 3 total stops
  • 49h 50m total
  • United Kingdom to Sydney
Highest demand for flights based on searches. 9% potential increase in price ($316 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.
Price to beat on a one-way flight from United Kingdom to Sydney Kingsford Smith.

Find flight deals from United Kingdom to Sydney

Cheapest flights from United Kingdom to Sydney
Explore the most affordable flight options available from United Kingdom to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 4/1208:50NCL - SYD
2 stops37h 35mMultiple Airlines
Thu 29/115:15SYD - NCL
2 stops42h 05mMultiple Airlines
Deal found 15/9$1,247
Mon 17/1109:40NCL - SYD
2 stops36h 45mMultiple Airlines
Mon 24/1122:00SYD - NCL
2 stops45h 50mMultiple Airlines
Deal found 16/9$1,308
Mon 27/1022:00LHR - SYD
1 stop35h 20mChina Southern
Mon 10/1111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 15/9$1,411
Tue 28/1010:30LGW - SYD
2 stops41h 35mMultiple Airlines
Thu 6/1112:00SYD - LGW
1 stop29h 30mMultiple Airlines
Deal found 15/9$1,414
Sat 1/1121:05LHR - SYD
3 stops34h 45mMultiple Airlines
Sun 9/1115:55SYD - LHR
2 stops29h 00mMultiple Airlines
Deal found 16/9$1,414
Sun 26/1011:05LGW - SYD
3 stops34h 00mMultiple Airlines
Sun 9/1115:55SYD - LGW
2 stops28h 15mMultiple Airlines
Deal found 16/9$1,416
Mon 3/1122:00LHR - SYD
1 stop35h 20mChina Southern
Mon 24/1111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 15/9$1,417
Wed 1/1021:20LHR - SYD
1 stop26h 40mChina Eastern
Wed 22/1013:00SYD - LHR
2 stops39h 40mChina Eastern
Deal found 15/9$1,419
Tue 4/1120:20LGW - SYD
2 stops37h 00mChina Southern
Sun 7/1211:25SYD - LGW
1 stop30h 35mChina Southern
Deal found 16/9$1,420
Mon 3/1122:00LHR - SYD
1 stop35h 20mChina Southern
Tue 11/1122:00SYD - LHR
1 stop31h 35mChina Southern
Deal found 15/9$1,420
Mon 10/1121:30LHR - SYD
2 stops35h 50mChina Southern
Mon 1/1209:20SYD - LHR
2 stops43h 35mChina Southern
Deal found 15/9$1,422
Tue 21/1022:10LHR - SYD
1 stop36h 15mChina Southern
Tue 18/1111:25SYD - LHR
1 stop42h 10mChina Southern
Deal found 16/9$1,423

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Sydney 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 17 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Sydney that are best for you.

Fly from

United Kingdom

Fly to

Sydney

Route

Depart

Return

Price

LondonSydney

LTN - SYD

LTNSYD

London Luton

Sun 1/3

14:30-18:50

2 stops41h 20m

Sydney Kingsford Smith

Sun 15/3

21:15-23:10

2 stops36h 55m

$1,504

LondonSydney

LTN - SYD

LTNSYD

London Luton

Mon 27/10

13:25-10:25

2 stops34h 00m

Sydney Kingsford Smith

Wed 12/11

11:15-18:40

3 stops42h 25m

$1,627

LondonSydney

LTN - SYD

LTNSYD

London Luton

Fri 21/11

14:00-13:05

3 stops36h 05m

Sydney Kingsford Smith

Wed 10/12

06:35-18:40

3 stops47h 05m

$1,713

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 28/10

11:00-09:50

1 stop35h 50m

Sydney Kingsford Smith

Mon 8/6

10:15-17:50

1 stop40h 35m

$1,759

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/11

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Mon 17/11

22:10-16:55

1 stop29h 45m

$1,767

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/11

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Sun 16/11

22:10-16:55

1 stop29h 45m

$1,767

ManchesterSydney

MAN - SYD

MANSYD

Manchester

Thu 25/12

08:25-17:55

1 stop22h 30m

Sydney Kingsford Smith

Sun 18/1

16:35-06:10

1 stop24h 35m

$1,771

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/11

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Tue 2/12

22:10-16:55

1 stop29h 45m

$1,773

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 31/10

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Tue 2/12

22:10-16:55

1 stop29h 45m

$1,773

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 5/11

14:05-18:35

1 stop41h 30m

Sydney Kingsford Smith

Tue 11/11

06:00-18:00

1 stop23h 00m

$1,779

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from United Kingdom to Sydney

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

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

Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of $129). Flying from United Kingdom to Sydney in October is currently the most expensive (average of $171). 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 GB to SYD?

Find hourly flight availability from United Kingdom to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

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

Weekly flight availability from United Kingdom to Sydney

Explore weekly flight availability from United Kingdom to Sydney. 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 17 September 2025.

The most flights from GB0 to SYD 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 Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 17 September 2025.
See what other customers who have flown with Singapore Airlines, China Southern, andQatar Airways from the United Kingdom to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

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

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from United Kingdom. Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How long is the flight from United Kingdom to Sydney?

    A quick flight from United Kingdom to Sydney can take about 22h 30m. Vietnam Airlines provides one of the quickest options available for as low as $1,771. There are 17000 km between United Kingdom and Sydney. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with China Southern, which is currently one of the cheapest options available, starting at $869. China Eastern flights start at $889 while deals on Air China start at $927 one-way.

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

  • What are the cheapest flights from United Kingdom to Sydney?

    Looking at all options, your cheapest flight can be booked for $1,822. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for $1,122 on average, our data indicates $2,517 when flying from United Kingdom to Sydney.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to Sydney (average of $129). Flying from United Kingdom to Sydney in October is currently the most expensive (average of $171). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Coogee
Cronulla
Leura

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 United Kingdom to Sydney

Discover the top 10 airlines that operate flights from United Kingdom to Sydney. 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,042Average$2,379FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,070Average$1,705FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest$1,084Average$1,492FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Qantas AirwaysCheapest$1,309Average$2,812FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Qatar AirwaysCheapest$1,465Average$2,430FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air IndiaCheapest$1,474Average$2,054FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Malaysia AirlinesCheapest$1,508Average$1,977FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,536Average$1,745FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Etihad AirwaysCheapest$1,541Average$2,338FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SWISSCheapest$1,563Average$2,193FlexibilityNo cancel feeOn-time79%
Search SWISS 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 United Kingdom to Sydney?

Deals for United Kingdom to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to Sydney 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 United Kingdom to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Sydney with no change fees.

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

Yes! Start tracking prices for United Kingdom to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your 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.