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Cheap flights from the United Kingdom to Sydney from $791

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
1 Apr — 8 Apr1
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 27 March 2025.

Round-trip from

$1,391

One-way from

$791

Popular in

December

Cheapest in

May

Average price

$1,735
China Eastern
  • China Eastern
  • 6/5-13/5
  • 2 total stops
  • 58h 40m total
  • United Kingdom to Sydney
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 56h 35m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($356 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($100 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 27 March 2025.

Tue 6/518:00LGW - SYD
1 stop30h 00mChina Eastern
Tue 13/511:00SYD - LGW
1 stop28h 40mChina Eastern
Deal found 26/3$1,391
Mon 5/521:20LHR - SYD
1 stop30h 15mChina Eastern
Mon 19/511:20SYD - LHR
2 stops40h 20mChina Eastern
Deal found 26/3$1,392
Sat 3/521:30LGW - SYD
2 stops61h 10mChina Southern
Mon 12/521:45SYD - LGW
2 stops29h 45mChina Southern
Deal found 26/3$1,395
Sun 4/519:15LHR - SYD
2 stops39h 25mChina Southern
Thu 15/521:45SYD - LHR
2 stops29h 20mChina Southern
Deal found 26/3$1,395
Sun 20/420:35LHR - SYD
1 stop36h 15mAir India
Mon 5/519:30SYD - LHR
1 stop33h 30mAir India
Deal found 26/3$1,432
Sun 11/507:50LTN - SYD
2 stops26h 50mMultiple Airlines
Sun 18/512:50SYD - LTN
2 stops34h 50mMultiple Airlines
Deal found 27/3$1,468
Tue 6/522:40LHR - SYD
1 stop31h 10mMultiple Airlines
Thu 22/521:00SYD - LHR
2 stops31h 30mMultiple Airlines
Deal found 26/3$1,476
Thu 1/507:10LGW - SYD
2 stops51h 20mMultiple Airlines
Sun 11/512:50SYD - LGW
2 stops36h 00mMultiple Airlines
Deal found 26/3$1,482
Thu 8/520:25LHR - SYD
1 stop33h 25mAir China
Sun 25/519:40SYD - LHR
1 stop33h 50mAir China
Deal found 26/3$1,490
Fri 9/514:00LGW - SYD
2 stops44h 00mTurkish Airlines
Fri 23/520:55SYD - LGW
2 stops46h 00mTurkish Airlines
Deal found 26/3$1,548
Mon 26/522:00LHR - SYD
2 stops55h 15mHainan Airlines
Tue 10/621:00SYD - LHR
1 stop31h 30mHainan Airlines
Deal found 26/3$1,568
Wed 12/1122:35LHR - SYD
1 stop34h 00mTurkish Airlines
Sat 29/1121:15SYD - LHR
1 stop28h 40mTurkish Airlines
Deal found 26/3$1,614

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 27 March 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

Tue 6/5

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Tue 13/5

11:00-06:40

1 stop28h 40m

$1,391

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 12/5

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Mon 19/5

11:20-18:40

2 stops40h 20m

$1,391

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 3/5

21:30-19:40

2 stops61h 10m

Sydney Kingsford Smith

Mon 12/5

21:45-18:30

2 stops29h 45m

$1,395

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 4/5

19:15-19:40

2 stops39h 25m

Sydney Kingsford Smith

Thu 15/5

21:45-18:05

2 stops29h 20m

$1,395

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 20/4

20:35-17:50

1 stop36h 15m

Sydney Kingsford Smith

Mon 5/5

19:30-20:00

1 stop33h 30m

$1,432

LondonSydney

LTN - SYD

LTNSYD

London Luton

Sun 11/5

07:50-19:40

2 stops26h 50m

Sydney Kingsford Smith

Sun 18/5

12:50-14:40

2 stops34h 50m

$1,468

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 6/5

22:40-14:50

1 stop31h 10m

Sydney Kingsford Smith

Thu 22/5

21:00-19:30

2 stops31h 30m

$1,476

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 1/5

07:10-19:30

2 stops51h 20m

Sydney Kingsford Smith

Sun 11/5

12:50-15:50

2 stops36h 00m

$1,482

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 8/5

20:25-14:50

1 stop33h 25m

Sydney Kingsford Smith

Sun 25/5

19:40-20:30

1 stop33h 50m

$1,490

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Fri 9/5

14:00-19:00

2 stops44h 00m

Sydney Kingsford Smith

Fri 23/5

20:55-09:55

2 stops46h 00m

$1,548

Flights are sorted by cheapest return flights first.

Deals found on 26/3

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 27 March 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 27 March 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and KLM from United Kingdom to Sydney by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very Good
1,284 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Emirates
8.0
Very Good
3,189 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
KLM
7.8
Good
1,321 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Hainan Airlines
7.8
Good
32 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
SWISS
7.5
Good
1,569 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

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 Air China, which is currently one of the cheapest options available, starting at $842. Tianjin Airlines flights start at $851 while deals on Singapore Airlines start at $866 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 Stansted - Sydney Kingsford Smith and London Gatwick - Sydney Kingsford Smith.

  • 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 the United Kingdom?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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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 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$644Average$1,438FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$1,038Average$1,715FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,213Average$1,977FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China AirlinesCheapest$1,554Average$1,775FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Etihad AirwaysCheapest$1,560Average$2,519FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qantas AirwaysCheapest$1,637Average$2,908FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
LufthansaCheapest$1,647Average$1,880FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air IndiaCheapest$1,653Average$2,564FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SWISSCheapest$1,654Average$2,210FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Cathay PacificCheapest$1,713Average$2,121FlexibilityNo 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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