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Cheap flights from the United Kingdom to Sydney from $748

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
22 Jul — 29 Jul1
1 adult

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 July 2025.

Round-trip from

$1,514

One-way from

$748

Popular in

December

Cheapest in

May

Average price

$2,521

Good round-trip deal

$2,554 or less

Good one-way deal

$2,269 or less
China Eastern
  • China Eastern
  • 28/10-14/11
  • 2 total stops
  • 64h 00m total
  • United Kingdom to Sydney
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17/9
  • 17/9
  • 3 total stops
  • 59h 25m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($330 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from United Kingdom to Sydney Kingsford Smith.
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Price to beat on a one-way flight from United Kingdom to Sydney Kingsford Smith.
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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 July 2025.

Thu 30/1020:25LHR - SYD
1 stop32h 05mAir China
Sat 22/1120:40SYD - LHR
1 stop32h 10mAir China
Deal found 14/7$1,510
Wed 24/1221:30LHR - SYD
2 stops35h 50mChina Southern
Tue 20/111:25SYD - LHR
1 stop41h 50mChina Southern
Deal found 14/7$1,513
Sun 2/1121:00LHR - SYD
1 stop26h 00mChina Eastern
Wed 19/1112:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 14/7$1,514
Thu 11/918:00LGW - SYD
1 stop30h 00mChina Eastern
Wed 17/911:00SYD - LGW
1 stop37h 00mChina Eastern
Deal found 15/7$1,522
Tue 14/1021:30LGW - SYD
2 stops36h 55mChina Southern
Sun 2/1122:00SYD - LGW
2 stops54h 20mChina Southern
Deal found 15/7$1,528
Thu 18/911:35LGW - SYD
2 stops39h 00mMultiple Airlines
Sat 11/1013:50SYD - LGW
2 stops59h 20mMultiple Airlines
Deal found 16/7$1,540
Mon 8/922:00LHR - SYD
2 stops55h 15mHainan Airlines
Tue 23/921:00SYD - LHR
1 stop31h 30mHainan Airlines
Deal found 14/7$1,547
Wed 29/1017:30LHR - SYD
3 stops28h 45mMultiple Airlines
Wed 5/1114:20SYD - LHR
2 stops28h 45mMultiple Airlines
Deal found 16/7$1,554
Wed 29/1008:05STN - SYD
3 stops39h 40mMultiple Airlines
Mon 10/1111:15SYD - STN
3 stops44h 10mMultiple Airlines
Deal found 15/7$1,570
Sun 21/912:35LGW - SYD
1 stop41h 15mAir China
Thu 16/1020:40SYD - LGW
1 stop43h 55mAir China
Deal found 15/7$1,571
Tue 28/1019:10LCY - SYD
2 stops29h 40mSWISS
Tue 4/1116:10SYD - LCY
2 stops31h 40mSWISS
Deal found 16/7$1,671
Wed 5/1110:25LTN - SYD
3 stops36h 00mMultiple Airlines
Wed 26/1120:20SYD - LTN
3 stops36h 45mMultiple Airlines
Deal found 15/7$1,754

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 July 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

LGW - SYD

LGWSYD

London Gatwick

Thu 11/9

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Wed 17/9

11:00-15:00

1 stop37h 00m

$1,522

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 25/12

21:30-20:20

2 stops35h 50m

Sydney Kingsford Smith

Thu 22/1

11:25-17:55

2 stops41h 30m

$1,525

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 14/10

21:30-20:25

2 stops36h 55m

Sydney Kingsford Smith

Sun 2/11

22:00-17:20

2 stops54h 20m

$1,528

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 18/9

11:35-11:35

2 stops39h 00m

Sydney Kingsford Smith

Sat 11/10

13:50-15:10

2 stops59h 20m

$1,540

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 3/9

21:20-07:40

2 stops49h 20m

Sydney Kingsford Smith

Tue 16/9

11:20-18:40

3 stops40h 20m

$1,548

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 13/11

17:40-15:30

1 stop34h 50m

Sydney Kingsford Smith

Sat 22/11

20:40-17:50

1 stop32h 10m

$1,550

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 29/10

17:30-09:15

3 stops28h 45m

Sydney Kingsford Smith

Wed 5/11

14:20-08:05

2 stops28h 45m

$1,554

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 1/9

22:00-14:15

2 stops55h 15m

Sydney Kingsford Smith

Tue 16/9

21:00-19:30

1 stop31h 30m

$1,563

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 29/10

08:05-10:45

3 stops39h 40m

Sydney Kingsford Smith

Mon 10/11

11:15-20:25

3 stops44h 10m

$1,570

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 21/9

12:35-14:50

1 stop41h 15m

Sydney Kingsford Smith

Sun 12/10

20:40-06:35

1 stop43h 55m

$1,571

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 60 results
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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 July 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 July 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 July 2025.
See what other customers who have flown with Hainan Airlines, Emirates, andKLM 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.
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Overall

8.2

Food

8.6

Boarding

8.6

Comfort

8.1

Entertainment

7.6

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

Crew

8.9

Overall

8.2

Food

8.6

Boarding

8.6

Comfort

8.1

Entertainment

7.6

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
3,290 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Overall

8.2

Food

8.6

Boarding

8.6

Comfort

8.1

Entertainment

7.6

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
1,373 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Overall

8.2

Food

8.6

Boarding

8.6

Comfort

8.1

Entertainment

7.6

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
104 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Overall

8.2

Food

8.6

Boarding

8.6

Comfort

8.1

Entertainment

7.6

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.
SWISS
7.5
Good
1,661 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Overall

8.2

Food

8.6

Boarding

8.6

Comfort

8.1

Entertainment

7.6

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 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.

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

    To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at $946. Air China flights start at $966 while deals on Tianjin Airlines start at $990 one-way.

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

    The most popular flight routes from United Kingdom to Sydney are London Heathrow - Sydney Kingsford Smith, London Gatwick - Sydney Kingsford Smith and London Stansted - Sydney Kingsford Smith.

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

    Looking at all options, your cheapest flight can be booked for $1,799. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for $1,323 on average our data indicates $3,161 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
Coogee
Cronulla
Terrigal
Lithgow
Randwick
Bondi Beach
Leura

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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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$623Average$1,559FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,095Average$1,822FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest$1,125Average$1,618FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest$1,508Average$2,142FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,508Average$2,357FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest$1,542Average$2,095FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China AirlinesCheapest$1,571Average$1,781FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
SWISSCheapest$1,599Average$2,394FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest$1,644Average$1,943FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Cathay PacificCheapest$1,656Average$2,095FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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.

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