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Cheap flights from the United Kingdom to Sydney from $792

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
23 Jun — 30 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Sydney

Enter your travel dates to find the best prices.

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 24 May 2026.

Sun 1/1117:15
LHR
-
SYD
2 stops33h 20m
China Southern
Sun 15/1122:10
SYD
-
LHR
1 stop31h 25m
China Southern
Deal found 20/5$1,401
Mon 9/1122:00
LHR
-
SYD
1 stop35h 20m
China Southern
Mon 23/1115:15
SYD
-
LHR
2 stops38h 20m
China Southern
Deal found 23/5$1,402
Mon 2/1121:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Mon 16/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 20/5$1,403
Sun 8/1121:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Mon 25/121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 23/5$1,406
Wed 2/921:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Mon 12/1021:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Deal found 18/5$1,408
Wed 11/1110:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Sun 15/1112:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 19/5$1,409
Thu 3/921:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Fri 16/1021:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Deal found 19/5$1,409
Fri 25/1210:30
LGW
-
SYD
1 stop36h 30m
China Eastern
Mon 18/121:30
SYD
-
LGW
1 stop44h 00m
China Eastern
Deal found 18/5$1,410
Mon 9/1110:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Thu 12/1112:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 21/5$1,412
Tue 8/922:10
LHR
-
SYD
1 stop25h 15m
China Southern
Tue 20/1011:05
SYD
-
LHR
1 stop42h 15m
China Southern
Deal found 20/5$1,412
Tue 3/1110:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Tue 17/1112:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 21/5$1,413
Tue 8/921:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Tue 20/1011:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Deal found 20/5$1,413

Find 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 24 May 2026.

Round-trip from

$1,401

One-way from

$792

Popular in

December

Cheapest in

May

Average price

$1,586
China Southern
  • China Southern
  • 1/11-15/11
  • 3 total stops
  • 64h 45m total
  • United Kingdom to Sydney
Search Deals
23/8
  • 23/8
  • 3 total stops
  • 52h 20m total
  • United Kingdom to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($198 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($91 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 24 May 2026.
Use the filters below to find and compare flights from the United Kingdom to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 9/11

10:30-13:35

1 stop40h 05m

Sydney Kingsford Smith

Thu 12/11

12:00-14:00

1 stop37h 00m

$1,412

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 2/11

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Mon 16/11

21:30-17:30

1 stop31h 00m

$1,457

LondonSydney

LTN - SYD

LTNSYD

London Luton

Sat 20/6

07:00-09:00

2 stops41h 00m

Sydney Kingsford Smith

Sat 11/7

11:00-23:25

2 stops45h 25m

$1,472

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 15/11

21:00-10:00

1 stop26h 00m

Sydney Kingsford Smith

Thu 19/11

12:00-17:30

1 stop40h 30m

$1,521

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 14/10

18:00-10:00

1 stop30h 00m

Sydney Kingsford Smith

Sat 14/11

21:30-14:00

1 stop27h 30m

$1,649

LondonSydney

LTN - SYD

LTNSYD

London Luton

Fri 26/6

15:15-19:20

2 stops43h 05m

Sydney Kingsford Smith

Thu 9/7

21:05-15:55

2 stops27h 50m

$1,921

LondonSydney

LTN - SYD

LTNSYD

London Luton

Tue 7/7

14:45-09:00

2 stops33h 15m

Sydney Kingsford Smith

Tue 14/7

11:00-11:00

2 stops33h 00m

$1,928

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 29/9

21:10-10:45

1 stop28h 35m

Sydney Kingsford Smith

Thu 5/11

22:10-16:55

1 stop29h 45m

$1,936

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 21/10

11:35-09:00

2 stops59h 25m

Sydney Kingsford Smith

Wed 25/11

12:00-06:30

1 stop29h 30m

$1,950

LondonSydney

STN - SYD

STNSYD

London Stansted

Mon 28/9

21:05-17:30

1 stop35h 25m

Sydney Kingsford Smith

Mon 2/11

21:45-17:55

1 stop31h 10m

$1,971

Flights are sorted by cheapest return flights first.

Deals found on 22/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $1,675). Flying from United Kingdom to Sydney in December is currently the most expensive (average of $2,571). 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 24 May 2026.

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 24 May 2026.

The most flights from GB0 to SYD are scheduled on a Tuesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How far ahead should I book a flight from United Kingdom to Sydney?

The price you pay for your flight from United Kingdom to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 24 May 2026.
See what other customers who have flown with Cathay Pacific,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.
Cathay Pacific
7.6
Good
1,342 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕
Cathay Pacific
7.6
Good
1,342 reviews
Cathay Pacific
7.6
Good
1,342 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕
China Southern
7.5
Good
152 reviews
Cathay Pacific
7.6
Good
1,342 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕
Qatar Airways
7.4
Good
3,731 reviews
Cathay Pacific
7.6
Good
1,342 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕
Etihad Airways
7.3
Good
1,442 reviews
Cathay Pacific
7.6
Good
1,342 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕
China Eastern
7.3
Good
216 reviews
Cathay Pacific
7.6
Good
1,342 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Tejbir,Apr 2026

YVR - HKG

Flight was late 30 min so was not able to catch next flight. Instead of Delhi they send to Hyderabad and from their to Delhi. It took full 8hours more. Lot of trouble and confusion 😕

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 28h 35m. China Eastern provides one of the quickest options available for as low as $1,936. There are 17008 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 AirAsia X, which is currently one of the cheapest options available, starting at $541. Air China flights start at $621 while deals on China Southern start at $667 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.

  • 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 $1,675). Flying from United Kingdom to Sydney in December is currently the most expensive (average of $2,571). 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
Penrith
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Randwick
Coogee

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 24 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$1,001Average$1,525FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest$1,103Average$2,523FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest$1,189Average$1,545FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest$1,336Average$1,938FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Malaysia AirlinesCheapest$1,409Average$2,409FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Qatar AirwaysCheapest$1,410Average$2,374FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,415Average$1,843FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Etihad AirwaysCheapest$1,457Average$2,073FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest$1,460Average$2,086FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EmiratesCheapest$1,525Average$2,398FlexibilityNo cancel feeOn-time75%
Search Emirates 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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